Texas instruments TPS92520-Q1 User Manual

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TPS92520-Q1 LaunchPad-Controlled, ECU Evaluation Module User's Guide

User's Guide

Literature Number: SLUUC29B

August 2019–Revised October 2019

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Contents

1 Trademarks......................................................................................................................... 8

2 Description.......................................................................................................................... 9

2.1 Typical Applications...................................................................................................... 9

2.2 Warnings .................................................................................................................. 9

2.3 Connector Description ................................................................................................. 10

3 REACH Compliance............................................................................................................ 12

4 Performance Specifications................................................................................................. 12

4.1 ECU Current Regulator ................................................................................................ 12

5 Performance Data and Typical Characteristic Curves ............................................................. 13

5.1 Start-up Waveforms.................................................................................................... 13

5.2 PWM Dimming.......................................................................................................... 14

6 Schematic, PCB Layout, and Bill of Materials ........................................................................ 14

6.1 Schematic................................................................................................................ 14

6.2 Layout.................................................................................................................... 17

6.3 Bill of Materials.......................................................................................................... 20

7 GUI Installation, Description, and Use................................................................................... 23

7.1 TPS92520EVM-074 GUI Installer .................................................................................... 23

7.2 Programming the MSP-EXP432E401Y LaunchPad Board ....................................................... 28

8 TPS92520EVM-074 Power UP and Operation.......................................................................... 33

8.1 Launch the GUI (Graphical User Interface) ......................................................................... 34

9 Appendix........................................................................................................................... 39

Revision History.......................................................................................................................... 40

Table of Contents

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1 TPS92520EVM-074 Block Diagram....................................................................................... 9

2 Component Connections.................................................................................................. 10

3 Jumper Placement for Launch Pad Use ................................................................................ 11

4 Boost Output Voltage Limit Adjustment ................................................................................. 12

5 ECU Metrics, V

6 Start-up Waveforms........................................................................................................ 13

7 PWM Dimming with IADJ Level Adjustment............................................................................ 14

8 TPS92520EVM-074 Schematic .......................................................................................... 15

9 TPS92520EVM-074 Schematic - Page 2 ............................................................................... 16

10 TPS92520EVM-074 Assembly .......................................................................................... 17

11 TPS92520EVM-074 Inner Layer (Ground Plane)...................................................................... 18

12 TPS92520EVM-074 Inner-Layer 1....................................................................................... 18

13 TPS92520EVM-074 Bottom Layer (Bottom View)..................................................................... 19

14 Setup Screen 1 ............................................................................................................. 23

15 Setup Screen 2 ............................................................................................................. 24

16 Setup Screen 4 ............................................................................................................. 24

17 Setup Screen 5 ............................................................................................................. 25

18 Setup Screen 6 ............................................................................................................. 25

19 Setup Screen 7 ............................................................................................................. 26

20 Setup Screen 8 ............................................................................................................. 26

21 Setup Screen 9 ............................................................................................................. 27

22 Setup Screen 10............................................................................................................ 27

23 Setup Screen 11............................................................................................................ 27

24 Setup Screen 12............................................................................................................ 28

25 Setup Screen 13............................................................................................................ 28

26 LaunchPad Connection for Programming............................................................................... 29

27 UniFlash Programming, Step 1........................................................................................... 29

28 UniFlash Programming, Step 2........................................................................................... 30

29 UniFlash Programming, Step 4........................................................................................... 30

30 UniFlash Programming, Step 5........................................................................................... 31

31 Debug Probe Update Required on First Flash of Launch Pad....................................................... 31

32 LaunchPad Connection for GUI Operation ............................................................................. 32

33 LaunchPad Connection to the TPS92520EVM-074 ................................................................... 33

34 LaunchPad Connection to the TPS92520EVM-074 and PWR901 Matrix Manager EVM........................ 34

35 GUI Splash Screen with Configuration Information.................................................................... 35

36 GUI, Main Window (Numbered areas are for explanation purposes only) ......................................... 35

37 SPI Command Window.................................................................................................... 38

38 TPS92663EVM6-901 Addressing Outline............................................................................... 39

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List of Figures

= 12 V, TPS92682 Boost Channel and 2 Channels from 1 x TPS92520 IC .................. 13

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List of Tables

1 Connector Descriptions.................................................................................................... 11

2 TPS92520EVM-074 ECU EVM Performance Specifications......................................................... 12

3 TPS92520EVM-074 Bill of Materials..................................................................................... 20

List of Tables

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WARNING

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General Texas Instruments High Voltage Evaluation (TI HV EMV) User Safety Guidelines

Always follow TI's set-up and application instructions, including use of all interface components within their recommended electrical rated voltage and power limits. Always use electrical safety precautions to help ensure your personal safety and those working around you. Contact TI's Product Information Center

http://ti.com/customer support for further information.

Save all warnings and instructions for future reference.

WARNING

Failure to follow warnings and instructions may result in personal injury, property damage or death due to electrical shock and burn hazards.

The term TI HV EVM refers to an electronic device typically provided as an open framed, unenclosed printed circuit board assembly. It is intended strictly for use in development laboratory environments,

solely for qualified professional users having training, expertise and knowledge of electrical safety risks in development and application of high voltage electrical circuits. Any other use and/or application are strictly prohibited by Texas Instruments. If you are not suitable qualified, you should immediately stop from further

use of the HV EVM.

1. Work Area Safety: a. Keep work area clean and orderly. b. Qualified observer(s) must be present anytime circuits are energized. c. Effective barriers and signage must be present in the area where the TI HV EVM and its interface

electronics are energized, indicating operation of accessible high voltages may be present, for the purpose of protecting inadvertent access.

d. All interface circuits, power supplies, evaluation modules, instruments, meters, scopes, and other

related apparatus used in a development environment exceeding 50Vrms/75VDC must be

electrically located within a protected Emergency Power Off EPO protected power strip. e. Use stable and non-conductive work surface. f. Use adequately insulated clamps and wires to attach measurement probes and instruments. No

freehand testing whenever possible.

2. Electrical Safety: As a precautionary measure, it is always good engineering practice to assume that the entire EVM

may have fully accessible and active high voltages.

a. De-energize the TI HV EVM and all its inputs, outputs and electrical loads before performing any

electrical or other diagnostic measurements. Revalidate that TI HV EVM power has been safely de-energized.

b. With the EVM confirmed de-energized, proceed with required electrical circuit configurations,

wiring, measurement equipment hook-ups and other application needs, while still assuming the EVM circuit and measuring instruments are electrically live.

c. Once EVM readiness is complete, energize the EVM as intended.

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List of Tables

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WARNING

While the EVM is energized, never touch the EVM or its electrical circuits, as they could be at high voltages capable of causing electrical shock hazard.

3. Personal Safety

a. Wear personal protective equipment e.g. latex gloves or safety glasses with side shields or protect

EVM in an adequate lucent plastic box with interlocks from accidental touch.

Limitation for safe use:

EVMs are not to be used as all or part of a production unit.

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List of Tables

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User's Guide

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TPS92520EVM-074 LaunchPad-Controlled, ECU Evaluation

Module

This user's guide describes the specifications, board connection description, operation, and use of the TPS92520EVM-074. The EVM consists of a CV boost stage, creating a regulated voltage rail that is used by two TPS92520 ICs. The two TPS92520 ICs then create four current regulated channels for driving strings of LEDs. The EVM is a representative of a lighting module suitable for automotive applications creating advanced lighting features.

The TPS92520-Q1 buck current regulator device implements an adjustable constant on-time, valley detect, current-mode control technique with programmable pseudo-fixed-frequency operation. Additional features include the following:

• Wide input voltage range (4.5 V to 65 V)

• Analog adjustable output current setting

• Fault reporting

• Internal and external PWM dimming

The TPS92682-Q1 boost controller device implements a fixed-frequency peak-current mode control technique with programmable switching frequency, slope compensation, and soft-start. Additional features include the following:

• Wide input voltage range (4.5 V to 65 V)

• Programmable spread spectrum frequency modulation

• Programmable fault handling

• Adjustable output current setting

Optionally, to exercise advanced lighting control features, an accompanying EVM to the TPS92520 ECU EVM, LMM EVM PWR901, can be used. The TPS92662-Q1 and TPS92663-Q1 (LMM, LED Matrix Manager) devices include series-connected integrated switches for bypassing individual LEDs. The individual sub-strings allow the device to accept either single or multiple current sources for bypassing high current LEDs.

A complete schematic diagram, printed circuit board layouts, and bill of materials are included in this document.

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TPS92520EVM-074 LaunchPad-Controlled, ECU Evaluation Module

1 Trademarks

SimpleLink, LaunchPad are trademarks of Texas Instruments. All other trademarks are the property of their respective owners.

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2 Description

The TPS92520EVM-074 solution provides four current-regulated channels, providing up to 49.5 V, 1.6 A for each channel (expandable voltage range with board modification), from a 12 V (nom) input. The four TPS92520 channels and one dual-phase TPS92682 CV (constant voltage) channel are all configurable via serial peripheral interface (SPI). The maximum output voltage of the TPS92682 CV boost can be physically adjusted by modifying R34 (see Table 1). The EVM is designed to operate with an input voltage in the range of 6 V to 40 V and provides a maximum total output power of 100 W (maximum of 50 W per channel). For example, if one channel is operated at 50 W, the total power of the other three channels must not exceed 50 W. The TPS92520EVM-074 provides a unique high-efficiency, SPI-programmable solution with fault handling and reporting. It also includes standard ECU features: CAN (physical layer) interface and reverse battery protection.

The EVM is operated via a standard TI LaunchPad (MSP-EXP432E401Y) and does not function if the launchpad and GUI are not installed. It is possible to use your own or a different SPI controller after reviewing the documentation for all parts in detail.

Figure 1 shows the block diagram of the system.

Description

Figure 1. TPS92520EVM-074 Block Diagram

2.1 Typical Applications

This document outlines the operation and implementation of the TPS92520-Q1 as a four-channel LED current regulator. Table 2 lists the specifications. For applications with a different input voltage range or different I

range, refer to the TPS92520-Q1 1.5-A Dual Synchronous Buck LED Driver Data Sheet. The

LED

MSP-EXP432E401Y SimpleLink™ Ethernet MSP432E401Y MCU LaunchPad™ Development Kit controls the TPS92520EVM-074 evaluation board. The MSP-EXP432E401Y is available on ti.com. Ensure that the LaunchPad board from TI has been programmed using the UNIFLASH application before running the GUI.

Section 7 provides the programming instructions.

2.2 Warnings

Observe the following precaution when using the TPS92520EVM-074 evaluation module. Do not leave the EVM powered when unattended.

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Description

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CAUTION

Do not touch. This is a hot surface and contact can cause burns.

CAUTION

Do not stare at the operation LED: (Risk Group 2 (RG2) at a distance <0.9m), (Risk Group 1 (RG1) at a distance > 0.9m(, (Risk Group Exempt (RGE) at a distance > 1.8 m). The LED may be hardmful to the eyes. See IEC62471:2008 ("photo biological safety of lamps and lamp systems") for risk group definitions.

2.3 Connector Description

Table 1 describes the connectors on the EVM and how to properly connect, set up, and use the

TPS92520EVM-074.

Figure 2 shows the connection diagram and the jumper locations of the TPS92520EVM-074.

Figure 2. Component Connections

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Table 1. Connector Descriptions

CONNECTOR TOPIC DESCRIPTION

Remote SPI

J2 J3 5 V Control J3 controls the 5 V enable line. Select position 1–2 for launchpad interface.

J4 Vin Input Voltage Connector

Spare Jumper >>

Transfer to Launch

Pad

Auxiliary SPI port connection. Use this port to monitor SPI BUS communications to TPS92520 device U1 and U4.

Auxiliary SPI port connection. Use this port to monitor SPI BUS communications to TPS92520 device U2 and U3.

Spare LaunchPad Jumper – remove from EVM and transfer to the LaunchPad at JP1 as shown in Figure 3.

Figure 3. Jumper Placement for Launch Pad Use

J6, J7 Expansion Port

J8, J10, J12 Expansion Port

J9 LMM

J11 Channel Selector

J13, J14, J15,

J16

5VDC 5 V Monitor 5 V output of the U6 controlled LMR16006Y-Q1, fixed 5 V switching regulator

520-B1C1, 520-B1C2, 520-B2C1,

520-B2C2

VBOOST Boost Output

GND Ground Ground test points

Launch Pad Port

Output Pins Positive outputs of the four buck regulators

These ports can be ignored. This port provides a connection port for EVM use with the PWR879 microcontroller board (interface board used with TPS92518). This port also provides a port to connect an additional TPS92520 EVM.

Provides connection point for additional SSN (slave select n) signals when using additional TPS92520 EVM connections via the J7 port. Leave the port open for normal operation with the launchpad.

Matrix Manager Connection. Port and GUI are compatible with the TPS92663EVM6-901. Note that current sources are in parallel with 520-BxCx output pins. It is not recommended to use both at the same time.

The TPS92663EVM6-901 has six inputs and the TPS92520-074 EVM provides four outputs. J11 allows the user to power five of the six LED strings. Set J11 to route 520-B1C2 to either the top string of LED controlled via Address 1 OR the bottom string of LEDs controlled by Address 2.

LaunchPad connection ports. Ensure the launchpad is aligned before applying power or it can result in the launchpad getting damaged.

TPS92682 Dual-Phase VC Boost Output. Adjust R34 to set the maximum boost output

voltage.

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REACH Compliance

CONNECTOR TOPIC DESCRIPTION

R34 VBOOST_Max

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Table 1. Connector Descriptions (continued)

The maximum boost output voltage can be adjusted to match your LED string requirements. For safety requirements, the voltage has been limited to <50 V (49.5 V) by setting R34 to 5.1 kΩ. The voltage can be adjusted to a maximum of 65 V by changing the value of R34: R34 = (2.39 × 100 k) / (VBOOST_Max - 2.39).

WARNING

Once R34 is changed, the maximum slider position corresponds to the new programmed value. A voltage greater than 50 V can require special handing precautions at your location. Consult your local lab manager and safety codes before making any changes to the EVM.

3 REACH Compliance

In compliance with the Article 33 provision of the EU REACH regulation, TI is notifying you that this EVM includes component or components that contain at least one substance of very high concern (SVHC) above 0.1%. These uses from Texas Instruments do not exceed one ton per year. The SVHC specifications are:

COMPONENT

MANUFACTURER

PHOENIX CONTACT GmbH &

Co. KG

4 Performance Specifications

This section provides the performance specifications and requirements for the dual-phase CV TPS926682 boost and TPS92520 buck current regulators.

4.1 ECU Current Regulator

Table 2 provides the EVM electrical performance specifications for the lighting ECU.

Table 2. TPS92520EVM-074 ECU EVM Performance Specifications

Figure 4. Boost Output Voltage Limit Adjustment

COMPONENT PART

NUMBER

1715721 and 1715747 Lead (Pb) 7439-92-1

SVHC SUBSTANCE

SVHC CAS (WHEN

AVAILABLE)

PARAMETER TEST CONDITIONS MIN TYP MAX UNITS

INPUT CHARACTERISTICS

Voltage, V

TPS92520EVM-074 LaunchPad-Controlled, ECU Evaluation Module

6 12 40 V

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CHxIADJ

Output Current (A)

System Efficiency OR Output Power (W)

TPS92682 Boost and 1 x TPS92520 IC (2 Buck Channels)

Total Efficiency

0 150 300 450 600 750 900 1050

0 0

0.1 8

0.2 16

0.3 24

0.4 32

0.5 40

0.6 48

0.7 56

0.8 64

0.9 72

1 80

1.1 88

1.2 96

1.3 104

1.4 112

1.5 120

1.6 128

1.7 136

1.8 144

1.9 152

2 160

effi

ILEDx (A) System Efficiency Output Power

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Performance Data and Typical Characteristic Curves

Table 2. TPS92520EVM-074 ECU EVM Performance Specifications (continued)

PARAMETER TEST CONDITIONS MIN TYP MAX UNITS

Maximum Output Power, P Maximum Input Current, I

OUT

Note: derating of 100 W maximum is necessary below 10 V

OUTPUT CHARACTERISTICS

Total LED forward voltage, V Output voltage V

OUT

Maximum output current, I Maximum Channel Output Power, P

(LED)

Maximum voltage on 520-CxBx terminal 65 V

LED

OUT

SYSTEMS CHARACTERISTICS

TPS92520 Switching frequency F

Target for this EVM design (On Time = 7) 400 kHz

5 Performance Data and Typical Characteristic Curves

Figure 5 shows the efficiency results for the system versus CH

LED in series. It is important to note that the efficiency results include the all EVM power losses, including the input reverse battery protection circuitry.

100 W

10 A

49.5 V

1.6 A 50 W

. The results shown have used eight

xIADJ

Figure 5. ECU Metrics, VIN= 12 V, TPS92682 Boost Channel and 2 Channels from 1 x TPS92520 IC

5.1 Start-up Waveforms

Figure 6 shows the start-up waveforms, V

string of 7×LEDs are connected to the buck output and the boost is set to 47 V.

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, COMP, and the switch-node voltage (SWN). In this setup, a

LED

TPS92520EVM-074 LaunchPad-Controlled, ECU Evaluation Module

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Performance Data and Typical Characteristic Curves

5.2 PWM Dimming

Figure 7 shows PWM dimming of a buck channel of the TPS92520EVM-074 EVM. An additional feature of

the waveform is that the I

is programmed to a different value during 300Hz PWM dimming.

LED

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Figure 6. Start-up Waveforms

VIN= 12 V

Figure 7. PWM Dimming with IADJ Level Adjustment

6 Schematic, PCB Layout, and Bill of Materials

This section contains TPS92520EVM-074 schematics, PCB layouts, and bill of materials (BOM).

6.1 Schematic

Figure 9 illustrates the TPS92520EVM-074 schematic.

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Schematic, PCB Layout, and Bill of Materials

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Figure 8. TPS92520EVM-074 Schematic

TPS92520EVM-074 LaunchPad-Controlled, ECU Evaluation Module

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TPS92520EVM-074 LaunchPad-Controlled, ECU Evaluation Module

Figure 9. TPS92520EVM-074 Schematic - Page 2

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6.2 Layout

The TPS92520EVM-074 is a four-layer board. Figure 10 through Figure 13 illustrate the following TPS92520EVM-074 PCB layout layers:

• Assembly

• Top

• Inner layer 1

• Inner layer 2

• Bottom One layer is a ground plane and there is no routing on this layer.

Schematic, PCB Layout, and Bill of Materials

Figure 10. TPS92520EVM-074 Assembly

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Figure 11. TPS92520EVM-074 Inner Layer (Ground Plane)

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Figure 12. TPS92520EVM-074 Inner-Layer 1

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Schematic, PCB Layout, and Bill of Materials

Figure 13. TPS92520EVM-074 Bottom Layer (Bottom View)

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6.3 Bill of Materials

Table 3 lists the TPS92520EVM-074 bill of materials.

Table 3. TPS92520EVM-074 Bill of Materials

DESIGNATOR QUANTITY VALUE DESCRIPTION PACKAGE PART NUMBER MANUFACTURER

C1, C4, C33, C34, C67, C68, C71

C2, C3, C30, C32 4 2200 pF CAP, CERM, 2200 pF, 50 V, ±10%, X7R, AEC-Q200 Grade 1, 0402 0402 CGA2B2X7R1H222K050BA TDK C5, C28 2 0.047 µF CAP, CERM, 0.047 µF, 100 V, ±10%, X7S, AEC-Q200 Grade 1, 0603 0603 CGA3E3X7S2A473K080AB TDK C6, C10, C25, C29 4 0.47µF CAP, CERM, 0.47 µF, 25 V, ±10%, X7R, AEC-Q200 Grade 1, 0603 0603 CGA3E3X7R1E474K080AB TDK C7, C31 2 1000 pF CAP, CERM, 1000 pF, 16 V, ±10%, X7R, 0603 0603 885012206034 Wurth C8, C9, C11, C12, C23, C24,

C26, C27 C13, C16, C18, C21, C59,

C60 C14, C15, C17, C19, C20,

C22, C54, C76, C79, C82, C83, C86, C87, C91, C92, C95, C96, C99, C100, C103, C104, C107, C108

C35, C36, C37, C48, C49, C50, C55, C70, C72, C73, C74, C75

C38 1 0.033µF CAP, CERM, 0.033 µF, 50 V, ±5%, X7R, 0603 0603 06035C333JAT2A AVX C39 1 33µF CAP, AL, 33 µF, 80 V, ±20%, 1.3 Ω, AEC-Q200 Grade 2, SMD SMT Radial F EEE-FK1K330P Panasonic C40, C41, C42, C51, C52,

C53 C43, C63 2 10 pF CAP, CERM, 10 pF, 50 V, ±5%, C0G/NP0, 0603 0603 CGA3E2NP01H100D080AA TDK C44, C56, C80 3 1 µF CAP, CERM, 1 µF, 50 V, ±10%, X7R, AEC-Q200 Grade 1, 1206 1206 CGA5L3X7R1H105K160AB TDK C45, C57 2 470 pF CAP, CERM, 470 pF, 100 V, ±10%, X7R, 0603 0603 06031C471KAT2A AVX C46, C61 2 1000 pF CAP, CERM, 1000 pF, 50 V, ±10%, X7R, AEC-Q200 Grade 1, 0402 0402 CGA2B2X7R1H102K050 TDK C47 1 100pF CAP, CERM, 100 pF, 50 V, ±5%, C0G/NP0, AEC-Q200 Grade 0, 0603 0603 CGA3E2NP01H101J080 TDK C58, C62 2 2.2 µF CAP,CERM, 2.2 µF, 16 V, ±20%, X7S, AEC-Q200 Grade 1, 0603 0603 CGA3E1X7S1C225M08 TDK C64 1 100µF CAP, AL, 100 µF, 35 V, ±20%, 0.34 Ω, AEC-Q200 Grade 2, SMD SMT Radial D8 EEE-FK1V101XP Panasonic C65, C66, C69 3 4.7 µF CAP,CERM, 4.7 µF, 50 V, ±10%, X7R, 1206 1206 C3216X7R1H475K160A TDK C77 1 4700pF CAP, CERM, 4700 pF, 50 V, ±10%, X7R, 0805 0805 C0805C472K5RACTU Kemet C78 1 0.22µF CAP, CERM, 0.22 µF, 25 V, ±10%, X8R, AEC-Q200 Grade 0, 0603 0603 CGA3E3X8R1E224K080 TDK C81, C84, C85, C88, C90,

C93, C94, C97, C98, C101, C102, C105, C106, C109

C89 1 0.01µF CAP, CERM, 0.01 µF, 16 V, ±10%, X7R, 0603 0603 C0603C103K4RACTU Kemet D1, D2 2 100 V Diode, Schottky, 100 V, 3 A, AEC-Q101, PowerDI5 PowerDI5 PDS3100Q-13 Diodes Inc. D3, D5, D7, D8 4 60 V Diode, Schottky, 60 V, 1 A, AEC-Q101, SOD-123 SOD-123 PMEG6010CEGWJ Nexperia D4 1 26 V Diode, TVS, Bi, 26 V, 42.1 Vc, AEC-Q101, SMA SMA SMAJ26CAHE3/61 Vishay-Semiconductor D6 1 10 V Diode, Zener, 10 V, 500 mW, AEC-Q101, SOD-123 SOD-123 MMSZ4697-HE3-08 Vishay-Semiconductor H5 1 HEAT SINK HEATSINK ATS-TI1OP-1304-C2-R0 Advanced Thermal

7 0.1 µF CAP,CERM, 0.1 µF, 100 V, ±10%, X7S, AEC-Q200 Grade 1, 0603 0603 CGA3E3X7S2A104K080AB TDK

8 2.2 µF CAP,CERM, 2.2 µF, 100 V, ±20%, X7S, AEC-Q200 Grade 1, 1206_190 1206_190 CGA5L3X7S2A225M160AB TDK

6 4.7 µF CAP,CERM, 4.7 µF, 16 V,±10%, X7R, AEC-Q200 Grade 1, 0805 0805 CGA4J3X7R1C475K125AE TDK

23 0.1 µF CAP, CERM, 0.1 µF, 50 V, ±20%, X7R, AEC-Q200 Grade 1, 0402 0402 CGA2B3X7R1H104M050BB TDK

12 10 µF CAP, CERM, 10 µF, 50 V, ±10%, X7S, AEC-Q200 Grade 1, 1210 1210 CGA6P3X7S1H106K250AB TDK

6 4.7 µF CAP,CERM, 4.7 µF, 100 V, ±10%, X7S, 1210 1210 C3225X7S2A475K200AB TDK

14 1 µF CAP, CERM, 1 µF, 16 V, ±10%, X5R, 0603 0603 C0603C105K4PACTU Kemet

Solutions Inc

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Schematic, PCB Layout, and Bill of Materials

Table 3. TPS92520EVM-074 Bill of Materials (continued)

DESIGNATOR QUANTITY VALUE DESCRIPTION PACKAGE PART NUMBER MANUFACTURER

J4 1 Terminal Block, 5.08 mm, 2x1, TH 2POS Terminal Block 1715721 Phoenix Contact L1, L2, L3, L4 4 47 µH Inductor, Shielded, Metal Composite, 47 µH, 1.5 A, 0.318 Ω, SMD SMD SPM6545VT-470M-D TDK L5, L6 2 15 µH Inductor, Shielded, 15 µH, 8.5 A, 0.02299 Ω, AEC-Q200 Grade 0, SMD 13x12.5mm SPM12565VT-150M-D TDK L7 1 15 µH Inductor, Shielded Drum Core, Powdered Iron, 15 µH, 1.9 A, 0.265 Ω, SMD 5.18x3x5.5mm IHLP2020CZER150M01 Vishay-Dale L8 1 680 nH Inductor, Shielded, 680 nH, 10.2 A, 0.00896 Ω, AEC-Q200 Grade 1, SMD 5.18x3x5.5mm IHLP2020CZERR68M01 Vishay-Dale L9 1 Coupled inductor, 0.004 Ω , SMD 15x13mm ACM1513-551-2PL-TLHF TDK L10 1 51 µH Coupled inductor, 51 µH, A, 0.14 Ω, SMD 7.1x6mm B82793S513N201 TDK Q1, Q2 2 100 V MOSFET, N-CH, 100 V, 1.4 A, SOT-23 SOT-23 DMN10H220L-7 Diodes Inc. Q3, Q4 2 100 V MOSFET, N-CH, 100 V, 20 A, AEC-Q101, 8-PowerVDFN 8-PowerVDFN STL8N10LF3 ST Q5 1 40 V MOSFET, N-CH, 40 V, 100 A, AEC-Q101, PG-TDSON-8 PG-TDSON-8 IPC100N04S51R9ATMA1 Infineon Q6 1 60 V Transistor, NPN, 60 V, 0.5 A, AEC-Q101, SOT-23 SOT-23 MMBTA05LT1G ON R1, R2, R20, R63 4 0.1 RES, 0.1, 1%, .5 W, AEC-Q200 Grade 0, 0805 0805 KRL1220E-M-R100-F Susumu R3, R21 2 5.90 k RES, 5.90 k, 1%, 0.1 W, 0603 0603 RC0603FR-075K9L Yageo R4, R22 2 10.0 RES, 10.0, 1%, 0.25 W, AEC-Q200 Grade 0, 0603 0603 CRCW060310R0FKEAH Vishay-Dale R5, R23 2 49.9 k RES, 49.9 k, 1%, 0.1 W, 0603 0603 RC0603FR-0749K9L Yageo R6, R19 2 187 k RES, 187 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW0603187KFKEA Vishay-Dale R7, R9, R35, R36, R47, R48 6 10.0 k RES, 10.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW040210K0FKED Vishay-Dale R8, R12, R13, R16 4 0 RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 ERJ-3GEY0R00V Panasonic R10, R14, R38, R43, R44,

R57, R59, R60, R62 R11, R17, R27 3 100 k RES, 100 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW0603100KFKEA Vishay-Dale R24, R25, R28, R32 4 0 RES, 0, 5%, 0.75 W, AEC-Q200 Grade 0, 2010 2010 CRCW20100000Z0EF Vishay-Dale R26, R40 2 7.5 RES, 7.5, 5%, 0.75 W, AEC-Q200 Grade 0, 2010 2010 CRCW20107R50JNEF Vishay-Dale R29 1 20.0 k RES, 20.0 k, 1%, 0.1 W, 0603 0603 RC0603FR-0720KL Yageo R30 1 1.00 RES, 1.00, 1%, 0.125 W, AEC-Q200 Grade 0, 0805 0805 CRCW08051R00FKEA Vishay-Dale R31, R41 2 10.0 RES, 10.0, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060310R0FKEA Vishay-Dale R33, R45 2 10.0 RES, 10.0, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW040210R0FKED Vishay-Dale R34 1 5.10 k RES, 5.10 k, 1%, 0.1 W, 0603 0603 RC0603FR-075K1L Yageo R37, R46 2 0.01 RES, 0.01, 1%, 1 W, 2010 2010 WSL2010R0100FEA18 Vishay-Dale R39 1 2.49 k RES, 2.49 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW04022K49FKED Vishay-Dale R42 1 200 k RES, 200 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW0603200KFKEA Vishay-Dale R50, R51, R52, R53 4 100 k RES, 100 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW0402100KFKED Vishay-Dale R54, R55, R56 3 0 RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW06030000Z0EA Vishay-Dale R58, R61 2 61.9 RES, 61.9, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060361R9FKEA Vishay-Dale R64 1 200 k RES, 200 k, 0.1%, 0.1 W, 0603 0603 RT0603BRD07200KL Yageo America U1, U2 2 IC 4.5 to 65-V Input Dual 1.6-A Synchronous Buck LED Driver with SPI Control, DAD0032A

U3, U4 2 IC 4.5 to 65-V Input Dual 1.6-A Synchronous Buck LED Driver with SPI Control, DAP0032A

U5 1 IC Dual Channel Constant Voltage and Constant Current Controller with SPI Interface, RHM0032C

9 0 RES, 0, 5%, 0.063 W, 0402 0402 MCR01MZPJ000 Rohm

(HTSSOP-32)

(VQFNP-32)

DAD0032A TPS92520QDADQ1 Texas Instruments

DAP0032A TPS92520QDAPQ1 Texas Instruments

RHM0032C TPS92682QRHMQ1 Texas Instruments

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Table 3. TPS92520EVM-074 Bill of Materials (continued)

DESIGNATOR QUANTITY VALUE DESCRIPTION PACKAGE PART NUMBER MANUFACTURER

U6 1 IC Automotive Qualified SIMPLE SWITCHER® 40 V (65 V transient), 0.6A Buck Regulator with 28

U7 1 IC Automotive Fault Protected CAN Transceiver With Flexible Data-Rate, DRB0008F (VSON-8) DRB0008F TCAN1042VDRBRQ1 Texas Instruments U8, U11, U14 3 IC High-Speed, Low-Power, Robust EMC Quad-Channel Digital Isolator, DBQ0016A (SSOP-16) DBQ0016A ISO7740DBQ Texas Instruments U9, U12, U15 3 IC High Speed, Robust EMC Quad-Channel Digital Isolators, DBQ0016A (SSOP-16) DBQ0016A ISO7741DBQR Texas Instruments U10 1 IC Single Output High PSRR LDO, 100 mA, Fixed 3.3 V Output, 2.7 to 5.5 V Input, 5-pin SOT-23

U13 1 IC High Speed, Robust EMC Reinforced Quad-Channel Digital Isolator, DBQ0016A (SSOP-16) DBQ0016A ISO7742DBQR Texas Instruments R15, R18 0 4.70 k RES, 4.70 k, 1%, 0.063 W, 0402 0402 CRG0402F4K7 TE Connectivity R49 0 0 RES, 0, 5%, 0.75 W, AEC-Q200 Grade 0, 2010 2010 CRCW20100000Z0EF Vishay-Dale

μA IQ, DDC0006A (SOT-23-THIN-6)

(DBV), -40 to 125°C, Green (RoHS and no Sb/Br)

DDC0006A LMR16006YQ5DDCTQ1 Texas Instruments

DBV0005A TPS79133DBVREP Texas Instruments

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7 GUI Installation, Description, and Use

This section describes the installation process of the GUI software and the drivers needed to operate the TPS92520EVM-074. The installation process takes approximately 15 minutes. The installation is broken in to six steps:

1. Run the Installer (Section 7.1).

2. Flash the LaunchPad (Section 7.2).

3. Install Jumper on LaunchPad (Figure 26).

4. Install the LaunchPad on to the TPS92520EVM-074 (Section 8).

5. Connect LED Loads or Matrix Manager EVM and apply VIN(Section 8).

6. Launch the GUI (Section 8.1).

7.1 TPS92520EVM-074 GUI Installer

1. Right-click on LED_Controller_GUI_Mkt.exe.

2. Select Run As Administrator.

3. Windows Account Control asks to allow the program to make changes to the computer. Click Yes.

4. Select Agree to the installation license terms and install in the recommended location. Installation can take a while, as it may need to install Microsoft .NET Framework.

5. If the installer asks to reboot after installing Microsoft .NET, click restart later to complete the driver installation.

6. After running the TLED_Controller_GUI_Mkt.exe, the evaluation software window appears as shown in

Figure 14.

GUI Installation, Description, and Use

7. Click Next > to install.

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Figure 14. Setup Screen 1

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8. Click I accept the agreement > and Next > to accept the License Agreement.

9. Select Full Install from the drop-down menu.

10. Click Next > to install the evaluation software, the UniFlash, and the required XDS drivers. If .NET Framework 4.5 or higher does not exist on the computer, the .NET Framework installation begins. Installation of the .NET Framework takes several minutes. If .NET Framework 4.5 or higher exists on the computer, the installation jumps to the XDS driver installation.

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Figure 15. Setup Screen 2

Figure 16. Setup Screen 4

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11. A window appears indicating the completion of the .NET Framework installation.

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Figure 17. Setup Screen 5

12. Click Next > to continue the installation.

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Figure 18. Setup Screen 6

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13. Click Next > to install the XDS driver.

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Figure 19. Setup Screen 7

Figure 20. Setup Screen 8

14. Figure 20 shows the screen showing the completion of the XDS driver. The UniFlash installation starts at this point. Click Next > to start the installation.

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Figure 21. Setup Screen 9

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Figure 22. Setup Screen 10

Figure 23. Setup Screen 11

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15. When UniFlash installation completes, click Finish to launch the UniFlash and program the LaunchPad.

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Figure 24. Setup Screen 12

Figure 25. Setup Screen 13

16. Figure 25 shows the completion notification of the TPS92520-Q1 Evaluation Software. Click Finish.

7.2 Programming the MSP-EXP432E401Y LaunchPad Board

NOTE: The LaunchPad Board must be programmed using the UniFlash software before running the

GUI.

1. Connect the included Micro-USB cable to the USB port of the PC and the LaunchPad as shown in

Figure 26.

2. Connect a jumper between pins 3 and 4 of the JP1 as shown in Figure 26. This jumper has been provided on the TPS92520EVM-074 at location J5 (also marked with ↑LP).

3. Simply remove the jumper and relocate it to the launchpad.

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4. Typically, the installed UniFlash program opens at the end of the software setup shown in Figure 24. If

GUI Installation, Description, and Use

Figure 26. LaunchPad Connection for Programming

the UniFlash program is not open, launch the program. The window shown in Figure 27 opens.

Figure 27. UniFlash Programming, Step 1

5. Click Session shown in Figure 27.

6. Select Load Session.

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Figure 28. UniFlash Programming, Step 2

7. As shown in Figure 28, navigate to the ":\Texas Instruments\TPS92520-682 LaunchPad Evaluation Software MKT\uniflash" location.

8. Select the msp432e401y.uniflash file.

9. As shown in Figure 29, click on the 'Flash Image(s)' file field.

10. Click Browse (even though the field is populated, browse to the new location outlined here).

11. Navigate to the ":\Texas Instruments\TPS92520-682 LaunchPad Evaluation Software\uniflash" location.

12. Select the AlgCSM_DRV.out file as shown in Figure 29.

Figure 29. UniFlash Programming, Step 4

13. Click Load Image under 'Available Action(s)'. After the program is loaded into the LaunchPad, a message appears in the console that the program load completed successfully, as shown in Figure 30 at the bottom left of the image.

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Figure 30. UniFlash Programming, Step 5

NOTE: The first time the LaunchPad is flashed, updates to the 'Debug Probe' block can be required.

14. If Uniflash determines an update is required, the following notification is displayed, as shown in

Figure 31. Select 'Update' to allow the update to occur.

Figure 31. Debug Probe Update Required on First Flash of Launch Pad

15. Close the UniFlash program.

16. Disconnect the Micro-USB from the LaunchPad.

17. Connect it to the USB port U7 on the other end of the LaunchPad, as shown in Figure 32.

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Figure 32. LaunchPad Connection for GUI Operation

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8 TPS92520EVM-074 Power UP and Operation

1. The EVM and LaunchPad are now ready for operation. Connect an input DC power source (12 V nominal) to the TPS92520EVM-074 EVM at the input terminal J4.

2. Connect one of the following:

a. Up to four independent LED loads. One load is connected as shown in Figure 33. b. Figure 34 shows the Lighting Matrix Manager EVM containing the TPS92662 and TPS92663. The

EVM can be requested via the TPS92663 EVM page.

TPS92520EVM-074 Power UP and Operation

Figure 33. LaunchPad Connection to the TPS92520EVM-074

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Figure 34. LaunchPad Connection to the TPS92520EVM-074 and PWR901 Matrix Manager EVM

8.1 Launch the GUI (Graphical User Interface)

1. If not done already, connect the USB connection to the PC from the LaunchPad.

2. Decide which load type you will use and connect it now.

3. Enable the DC power source.

4. Launch the GUI.

5. Run the program LED_Controller_GUI_Mkt.exe located at C:\Texas Instruments\TPS92520-682 LaunchPad Evaluation Software MKT.

When the GUI application is launched, it senses if the TPS92662 EVM or TPS92663 EVM is present and provides modified control options for each.

The window appears as one of Figure 35, then as Figure 36.

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TPS92520EVM-074 Power UP and Operation

Figure 35. GUI Splash Screen with Configuration Information

Figure 36. GUI, Main Window (Numbered areas are for explanation purposes only)

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8.1.1 Quick Start Guide

1. Start with the EVM in the ready state as described in Section 8.1. This includes opening the GUI while having the input powered and the desired LED load type attached. By opening the GUI, the system automatically enables the on-board 5 V supply and initiates communication with the TPS92520 and TPS92682. The TPS92682 is automatically configured to provide approximately 47 V and is enabled with programmed defaults. The TPS92682 dual-phase boost output voltage can be monitored at the VBOOST test point on the EVM.

2. Enable the LED load. Directions depend the type of selected load: User Provided or LMM Load (see below).

8.1.1.1 Quick Start With User Provided LED Load

1. Connect LED loads to the output terminals as shown in Figure 34. For example, choose 520-B1C1 in the upper right corner of the EVM.

2. Connect the LED load anode (+) to 520-B1C1 and use any terminal marked GND for the cathode (-).

3. In the GUI Enable and Control area (boxed area 2), select the check box by 520-B1C1. You should now see a light output.

4. From the Channel area with tabs (boxed area 1), select the tab matching the 520-B1C1 channel (also identified as LMM-CH2).

5. Make adjustments to the current level using the slider labeled Analog Current.

8.1.1.2 Quick Start With LMM Load (TPS92663EVM6-901)

1. This assumes that the GUI was launched after the TPS92663EVM6-901 was connected and DC input power enabled. The sensing of the load type is performed when the GUI is launched.

2. If the load was not present when the GUI was opened, close the GUI and re-open with the load attached. See Figure 34.

3. Ensure the TPS92663EVM6-901 (LMM Load) cover is in place.

4. Select a channel to be tested in the Enable and Control area of the GUI (boxed area 2 shown in

Figure 36). For example, select LMM-CH2 by checking the box beside the text.

5. Select the matching tab in the Channel area with tabs. Select the tab matching this channel (LMMCH2, also identified as 520-B1C1). Make adjustments to the current level using the slider labeled Analog Current. Set the slider to a higher value (for example, approximately 200).

6. Move the slider in the TPS92662 and TPS92663 area of the GUI. The slider adjusts the duty cycle of the previously selected LMM channel. Move the slider to the mid-point. You should now see light output.

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8.1.2 GUI Operation

Figure 36 shows the main GUI window. This window includes five sub-windows:

• TPS92520 Channel Control Box (1): This window includes controls for selecting the internal or external PWM. Setting Analog Current to full scale (1023) results in 1.6 A of output current. Ensure your load can accept this current level and adjust your settings accordingly. The slider automatically adjusts the respective CHxIADJL and CHxIADJH registers as the slider is moved. A checkmark in the PWM Source Internal box sets the PWM dimming input to the internal PWM generator (which is AND'd with the UDIMx input). The PWM slider adjusts the duty cycle where 1023 = 100%, 512 represents 50%, and so forth. The PWM dimming frequency is programmed to the default value (610 Hz) but can be adjusted using the terminal window and modifying the PWMDIV (0x0Ch) register. Refer to the TPS92520-Q1 1.5-A Dual Synchronous Buck LED Driver Data Sheet for details. The STATUS flags are also shown and report any faults occurring on the selected channel. Refer to TPS92520 registers STATUS1, STATUS2, and STATUS3 for a full description.

• Channel Control and Boost Configuration Box (2): This window is used to enable and disable each of the four channels. A sixth channel is referenced as the TPS92663EVM6-901 EVM contains six controllable channels, five of which are accessible. Figure 38 shows the physical channel configuration. A different channel can be selected using the jumper (J11) located near the header (J9). The boost voltage can also be adjusted using the slider control. The approximate output voltage is noted above the slider.

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• The TPS92682 fault status can be updated by selecting the Read 682 Faults button. A description of

• TPS92662 and TPS92663 Control Box (3): This window is used to adjust the Phase and Duty Cycle

• Demo Control Box (4): This window shows the four demo modes (DRL, AFLS, ADB and Sequential

• Jumper Configuration and Register Access (5): Set the jumper to match the EVM configuration.

TPS92520EVM-074 Power UP and Operation

NOTE: The maximum boost voltage can be adjusted by modifying a resistor value - see Table 1.

the faults can be found in the TPS92682-Q1 Dual-Channel Constant-Voltage and Constant-Current

Controller with SPI Interface Data Sheet.

of the Matrix Manager channels. (not available if companion EVM TPS92663EVM6-901 is not present). For a full explanation of the TPS92662 and TPS92663 operation, refer to the High-Brightness LED

Matrix Manager for Automotive Headlight Systems Data Sheet and TPS92663-Q1 6-Channel Enhanced LED Matrix Manager-Automotive Headlight Systems Data Sheet. The basic operation is as

follows: Each LED on the selected matrix device is duty cycle-controlled to the duty cycle set by the slider. The phase of the duty cycle between each LED segment is set with the Phase Shift field and the "set to 85" check box. For example, if the phase is set to 0, and the duty cycle to 200, each LMM LED segment is turned on at the same time for the same duty cycle. If the phase is set to 85 (for example, via the check box), each LED is still on for a duty cycle length of 200, but the turn on time of each LED segment is shifted by a count of 85.

Turn) are enabled when the TPS92663EVM6-901 is connected. These highlight headlight features that can be implemented using the Lighting Matrix Manager devices: TPS92662 and TPS92663. Set the corresponding Jumper setting and move the physical jumper (J11) to match the selected location. Ensure the channels are off when moving the jumper. Next, select the desired demo mode: DRL, AFLS, ADB, OR Sequential Turn. The following is a brief description of the four demo modes:

– DRL (Daytime running light): Performs a fade and fill up and down the DRL channel. – AFLS (Adaptive Front Lighting System): Simulates an adjustment to the beam shape and direction.

Adjust the slider to adjust the beam.

– ADB (Adaptive Driving Beam): Adjust the slider to control the location of an area of the beam

having a reduced intensity.

– Sequential Turn: Implements a swiping turn signal.

Use the Register Access buttons to open a terminal window for direct command control of the TPS92520 and Lighting Matrix Manager (TPS92662 and TPS92663) devices. Section 8.1.3 describes the register direct access window.

8.1.3 Register Access and Terminal Window

8.1.3.1 520 and 682 Register Direct Access Window

1. Select the address of the device to be communicated with using the address pulldown selector. The TPS92682 is at address '0'. The TPS92520 'B1xx' is at address '1'. The TPS92520 'B2xx' is at address '2'. The physical location of the controller is marked on the EVM with the number in a circle.

2. Read the desired register address by entering the value in the Register Address box. For example, write 0x00.

3. Click Send twice. Two transactions are required when using the SPI bus: one to load and execute the read command, and another to receive the result back to the micro controller and GUI.

4. The SPI Status Window and Data Read field shows the content of the register address 0x00h (shown in this example).

5. For a write, check the write box.

6. Enter the register address and write Data.

7. Click Send.

8. Make sure the intended operation was programmed, OR double check the write by reading the register back by un-checking the box and selecting Send twice.

Figure 37 shows the terminal boxes. The terminal boxes allow direct access to the TPS92520 and

TPS92682 registers OR the TPS92662 and TPS92663 registers.

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Figure 37. SPI Command Window

8.1.3.2 662 and 663 Register Direct Access Window

This function can assist firmware developers in producing usable register configurations. The function provides utilities for reading or writing a user-specified number of bytes to select TPS92662 and TPS92663 registers. The GUI calculates the correct CRC and adds it to the packet being sent so the user does not need to spend time generating CRCs. Enter register addresses and values in hexadecimal format.

1. Select 'Initialize 662s' to confirm communication with LMM devices on the bus.

2. Select the address of the LMM device to communicate with. Refer to Figure 38 as a guide to find your desired LED string.

3. Select the desired register to control. For example, MPHASE01L allows a read or write starting with the MPHASE01L register. This register is the low byte of the control register setting the phase of LMM channel 1.

4. Select the command field to set the number of bytes to be written using the command. For example, WRITE1 - 0x87 writes one byte, starting at the address MPHASE01L.

5. Multiple bytes can be written by setting the starting point and number of bytes to write. For example, set the command to WRITE1, enter the data 0x00, and select SEND. This writes 00 to the MPHASE01L register. Multiple bits can be separated with commas. If a multiple bit write is selected and not all data bytes are provided, the GUI automatically fills the remaining bytes with 0x00.

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9 Appendix

Overview of LED placement and addressing of TPS92663EVM6-901 EVM.

NOTE: This TPS92663EVM6-901 EVM can arrive with white or green soldermask.

Appendix

Figure 38. TPS92663EVM6-901 Addressing Outline

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Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from A Revision (September 2019) to B Revision .......................................................................................... Page

• First public release........................................................................................................................ 7

Changes from Original (August 2019) to A Revision ..................................................................................................... Page

• Updated Figure 38....................................................................................................................... 39

Revision History

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1. Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein. User's acceptance of the EVM is expressly subject to the following terms.

1.1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. For clarification, any software or software tools provided with the EVM (“Software”) shall not be subject to the terms and conditions set forth herein but rather shall be subject to the applicable terms that accompany such Software

1.2 EVMs are not intended for consumer or household use. EVMs may not be sold, sublicensed, leased, rented, loaned, assigned, or otherwise distributed for commercial purposes by Users, in whole or in part, or used in any finished product or production system.

2 Limited Warranty and Related Remedies/Disclaimers:

2.1 These terms do not apply to Software. The warranty, if any, for Software is covered in the applicable Software License Agreement.

2.2 TI warrants that the TI EVM will conform to TI's published specifications for ninety (90) days after the date TI delivers such EVM to User. Notwithstanding the foregoing, TI shall not be liable for a nonconforming EVM if (a) the nonconformity was caused by neglect, misuse or mistreatment by an entity other than TI, including improper installation or testing, or for any EVMs that have been altered or modified in any way by an entity other than TI, (b) the nonconformity resulted from User's design, specifications or instructions for such EVMs or improper system design, or (c) User has not paid on time. Testing and other quality control techniques are used to the extent TI deems necessary. TI does not test all parameters of each EVM. User's claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects in the EVMs within ten (10) business days after delivery, or of any hidden defects with ten (10) business days after the defect has been detected.

2.3 TI's sole liability shall be at its option to repair or replace EVMs that fail to conform to the warranty set forth above, or credit User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty. If TI elects to repair or replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall be warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day warranty period.

WARNING

Evaluation Kits are intended solely for use by technically qualified,

professional electronics experts who are familiar with the dangers

and application risks associated with handling electrical mechanical

components, systems, and subsystems.

User shall operate the Evaluation Kit within TI’s recommended

guidelines and any applicable legal or environmental requirements

as well as reasonable and customary safeguards. Failure to set up

and/or operate the Evaluation Kit within TI’s recommended

guidelines may result in personal injury or death or property

damage. Proper set up entails following TI’s instructions for

electrical ratings of interface circuits such as input, output and

electrical loads.

NOTE: EXPOSURE TO ELECTROSTATIC DISCHARGE (ESD) MAY CAUSE DEGREDATION OR FAILURE OF THE EVALUATION

KIT; TI RECOMMENDS STORAGE OF THE EVALUATION KIT IN A PROTECTIVE ESD BAG.

3 Regulatory Notices:

3.1 United States

3.1.1 Notice applicable to EVMs not FCC-Approved:

FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product. This kit is not a finished product and when assembled may not be resold or otherwise marketed unless all required FCC equipment authorizations are first obtained. Operation is subject to the condition that this product not cause harmful interference to licensed radio stations and that this product accept harmful interference. Unless the assembled kit is designed to operate under part 15, part 18 or part 95 of this chapter, the operator of the kit must operate under the authority of an FCC license holder or must secure an experimental authorization under part 5 of this chapter.

3.1.2 For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant:

CAUTION

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

FCC Interference Statement for Class A EVM devices

NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

www.ti.com

FCC Interference Statement for Class B EVM devices

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

3.2 Canada

3.2.1 For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210 or RSS-247

Concerning EVMs Including Radio Transmitters:

This device complies with Industry Canada license-exempt RSSs. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may

cause undesired operation of the device.

Concernant les EVMs avec appareils radio:

Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.

Concerning EVMs Including Detachable Antennas:

Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication. This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.

www.ti.com

3.3 Japan

Concernant les EVMs avec antennes détachables

Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur

3.3.1 Notice for EVMs delivered in Japan: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 日本国内に

輸入される評価用キット、ボードについては、次のところをご覧ください。

http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page

3.3.2 Notice for Users of EVMs Considered “Radio Frequency Products” in Japan: EVMs entering Japan may not be certified by TI as conforming to Technical Regulations of Radio Law of Japan.

If User uses EVMs in Japan, not certified to Technical Regulations of Radio Law of Japan, User is required to follow the instructions set forth by Radio Law of Japan, which includes, but is not limited to, the instructions below with respect to EVMs (which for the avoidance of doubt are stated strictly for convenience and should be verified by User):

1. Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of Japan,

2. Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to EVMs, or

3. Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to EVMs. Also, do not transfer EVMs, unless User gives the same notice above to the transferee. Please note that if User does not follow the instructions above, User will be subject to penalties of Radio Law of Japan.

【無線電波を送信する製品の開発キットをお使いになる際の注意事項】開発キットの中には技術基準適合証明を受けていないものがあります。技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注意ください。

1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用いただく。

2. 実験局の免許を取得後ご使用いただく。

3. 技術基準適合証明を取得後ご使用いただく。

なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。

上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。日本テキサス・インスツルメンツ株式会社東京都新宿区西新宿６丁目２４番１号西新宿三井ビル

3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page

電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧ください。http:/

/www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page

3.4 European Union

3.4.1 For EVMs subject to EU Directive 2014/30/EU (Electromagnetic Compatibility Directive): This is a class A product intended for use in environments other than domestic environments that are connected to a

low-voltage power-supply network that supplies buildings used for domestic purposes. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures.

www.ti.com

4 EVM Use Restrictions and Warnings:

4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.

4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices. The notices contain important safety information related to, for example, temperatures and voltages.

4.3 Safety-Related Warnings and Restrictions:

4.3.1 User shall operate the EVM within TI’s recommended specifications and environmental considerations stated in the user guide, other available documentation provided by TI, and any other applicable requirements and employ reasonable and customary safeguards. Exceeding the specified performance ratings and specifications (including but not limited to input and output voltage, current, power, and environmental ranges) for the EVM may cause personal injury or death, or property damage. If there are questions concerning performance ratings and specifications, User should contact a TI field representative prior to connecting interface electronics including input power and intended loads. Any loads applied outside of the specified output range may also result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or interface electronics. Please consult the EVM user guide prior to connecting any load to the EVM output. If there is uncertainty as to the load specification, please contact a TI field representative. During normal operation, even with the inputs and outputs kept within the specified allowable ranges, some circuit components may have elevated case temperatures. These components include but are not limited to linear regulators, switching transistors, pass transistors, current sense resistors, and heat sinks, which can be identified using the information in the associated documentation. When working with the EVM, please be aware that the EVM may become very warm.

4.3.2 EVMs are intended solely for use by technically qualified, professional electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components, systems, and subsystems. User assumes all responsibility and liability for proper and safe handling and use of the EVM by User or its employees, affiliates, contractors or designees. User assumes all responsibility and liability to ensure that any interfaces (electronic and/or mechanical) between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard. User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees, affiliates, contractors or designees.

4.4 User assumes all responsibility and liability to determine whether the EVM is subject to any applicable international, federal, state, or local laws and regulations related to User’s handling and use of the EVM and, if applicable, User assumes all responsibility and liability for compliance in all respects with such laws and regulations. User assumes all responsibility and liability for proper disposal and recycling of the EVM consistent with all applicable international, federal, state, and local requirements.

5. Accuracy of Information: To the extent TI provides information on the availability and function of EVMs, TI attempts to be as accurate as possible. However, TI does not warrant the accuracy of EVM descriptions, EVM availability or other information on its websites as accurate, complete, reliable, current, or error-free.

6. Disclaimers:

6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY MATERIALS PROVIDED WITH THE EVM (INCLUDING, BUT NOT LIMITED TO, REFERENCE DESIGNS AND THE DESIGN OF THE EVM ITSELF) ARE PROVIDED "AS IS" AND "WITH ALL FAULTS." TI DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, REGARDING SUCH ITEMS, INCLUDING BUT NOT LIMITED TO ANY EPIDEMIC FAILURE WARRANTY OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADE SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS.

6.2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN, NOTHING IN THESE TERMS SHALL BE CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE, PATENT, OR ANY OTHER INDUSTRIAL OR INTELLECTUAL PROPERTY RIGHT OF TI, ITS SUPPLIERS/LICENSORS OR ANY OTHER THIRD PARTY, TO USE THE EVM IN ANY FINISHED END-USER OR READY-TO-USE FINAL PRODUCT, OR FOR ANY INVENTION, DISCOVERY OR IMPROVEMENT, REGARDLESS OF WHEN MADE, CONCEIVED OR ACQUIRED.

7. USER'S INDEMNITY OBLIGATIONS AND REPRESENTATIONS. USER WILL DEFEND, INDEMNIFY AND HOLD TI, ITS LICENSORS AND THEIR REPRESENTATIVES HARMLESS FROM AND AGAINST ANY AND ALL CLAIMS, DAMAGES, LOSSES, EXPENSES, COSTS AND LIABILITIES (COLLECTIVELY, "CLAIMS") ARISING OUT OF OR IN CONNECTION WITH ANY HANDLING OR USE OF THE EVM THAT IS NOT IN ACCORDANCE WITH THESE TERMS. THIS OBLIGATION SHALL APPLY WHETHER CLAIMS ARISE UNDER STATUTE, REGULATION, OR THE LAW OF TORT, CONTRACT OR ANY OTHER LEGAL THEORY, AND EVEN IF THE EVM FAILS TO PERFORM AS DESCRIBED OR EXPECTED.

www.ti.com

8. Limitations on Damages and Liability:

8.1 General Limitations. IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, COLLATERAL, INDIRECT, PUNITIVE, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE TERMS OR THE USE OF THE EVMS , REGARDLESS OF WHETHER TI HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, COST OF REMOVAL OR REINSTALLATION, ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, RETESTING, OUTSIDE COMPUTER TIME, LABOR COSTS, LOSS OF GOODWILL, LOSS OF PROFITS, LOSS OF SAVINGS, LOSS OF USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN TWELVE (12) MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED.

8.2 Specific Limitations. IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY USE OF AN EVM PROVIDED HEREUNDER, INCLUDING FROM ANY WARRANTY, INDEMITY OR OTHER OBLIGATION ARISING OUT OF OR IN CONNECTION WITH THESE TERMS, , EXCEED THE TOTAL AMOUNT PAID TO TI BY USER FOR THE PARTICULAR EVM(S) AT ISSUE DURING THE PRIOR TWELVE (12) MONTHS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE CLAIMED. THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT.

9. Return Policy. Except as otherwise provided, TI does not offer any refunds, returns, or exchanges. Furthermore, no return of EVM(s) will be accepted if the package has been opened and no return of the EVM(s) will be accepted if they are damaged or otherwise not in a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s), excluding any postage or packaging costs.

10. Governing Law: These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas, without reference to conflict-of-laws principles. User agrees that non-exclusive jurisdiction for any dispute arising out of or relating to these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas. Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court.

Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265

IMPORTANT NOTICE AND DISCLAIMER

TI PROVIDES TECHNICAL AND RELIABILITY DATA (INCLUDING DATASHEETS), DESIGN RESOURCES (INCLUDING REFERENCE DESIGNS), APPLICATION OR OTHER DESIGN ADVICE, WEB TOOLS, SAFETY INFORMATION, AND OTHER RESOURCES “AS IS” AND WITH ALL FAULTS, AND DISCLAIMS ALL WARRANTIES, EXPRESS AND IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS.

These resources are intended for skilled developers designing with TI products. You are solely responsible for (1) selecting the appropriate TI products for your application, (2) designing, validating and testing your application, and (3) ensuring your application meets applicable standards, and any other safety, security, or other requirements. These resources are subject to change without notice. TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource. Other reproduction and display of these resources is prohibited. No license is granted to any other TI intellectual property right or to any third party intellectual property right. TI disclaims responsibility for, and you will fully indemnify TI and its representatives against, any claims, damages, costs, losses, and liabilities arising out of your use of these resources.

TI’s products are provided subject to TI’s Terms of Sale (www.ti.com/legal/termsofsale.html) or other applicable terms available either on

ti.com or provided in conjunction with such TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable

warranties or warranty disclaimers for TI products.

Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265

Texas instruments TPS92520-Q1 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual