Texas Instruments TPS25200EVM-618 User Manual

User's Guide

SLVUA53A–March 2014–Revised April 2014

TPS25200EVM-618 Evaluation Module for TPS25200

This user’s guide describes the evaluation module (EVM) for the TPS25200 (TPS25200EVM-618). TPS25200 is an adjustable current-limited power distribution switch with input overvoltage protection and output overvoltage clamp.

Contents

1 Introduction ................................................................................................................... 2

2 Description.................................................................................................................... 2

3 Schematic..................................................................................................................... 3

4 General Configuration and Description ................................................................................... 4

5 EVM Assembly Drawings and Layout Guidelines ....................................................................... 6

6 Bill of Materials............................................................................................................... 7

List of Figures

1 TPS25200EVM-618 Schematic............................................................................................ 3

2 Typical TPS25200EVM-618 Test Setup.................................................................................. 5

3 Top Side Placement......................................................................................................... 6

4 Top Side Routing ............................................................................................................ 6

5 Bottom Side Routing ........................................................................................................ 6

List of Tables

1 Connector Functionality..................................................................................................... 4

2 Test Points.................................................................................................................... 4

3 Jumpers and LEDs .......................................................................................................... 4

4 TPS25200EVM-618 Bill of Materials ..................................................................................... 7

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Introduction

1 Introduction

The TPS25200EVM-618 allows reference circuit evaluation of the TPS25200 power distribution switch with adjustable current limit, input overvoltage protection, and an output overvoltage clamp.

1.1 Features

• TPS25200 features – 2.5- to 6.5-V operation – Withstands up to 20-V input voltage – 7.2-V fixed input overvoltage protection – 5.4-V fixed output voltage clamp – 0.9-μs overvoltage protection response – 2-μs overcurrent response – Integrated 60-mΩ high-side MOSFET – Up to 2.5-A continuous load current – ±6% current-limit accuracy at 2.8 A – Reverse current blocking when disabled – Build-in soft start – Pin-to-pin compatible with TPS2553 device

• Dual input voltages with pushbutton input overvoltage test circuit

• Selectable current limits (three level)

• Selectable output capacitors (four level)

• Test point selectable I/O voltage source for EN and FAULTx

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1.2 Applications

• USB ports and hubs

• Digital TV

• Set-top boxes

• VOIP phones

• USB portable devices

• Solid state drives (SSD)

2 Description

TPS25200EVM-618 enables full evaluation of the TPS25200 power distribution switch with adjustable current limit, input overvoltage protection, and an output overvoltage clamp.

Referring to the schematic shown in Figure 1, primary input power is applied at J5/J7 while J6/J7 provides the output connection to the load. C4/C5 provides input protection for the TPS25200 (U1) while C1 and the J4 selectable output capacitance provide output protection. J3 allows three levels of current limit to be selected. J2 allows selection of the EN/FAULTx pullup voltage source to come from either the IN or an external source (VCC_IO source from TP11).

The overvoltage protection feature of the TPS25200 device can be evaluated through the use of a secondary (higher voltage) source connected to TP10. The effects of this overvoltage pulse can be evaluated by using the S1 pushbutton.

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TP4

TP8

TP6

TP1

TP3

TP7

TP9

ILIM

COMMON GROUND

VIN

ENABLE

1 2 3

ILIM LO

ILIM HI

VOUT

VIN = 2.5 to 6.5 V IIN = 75 mA to 2.5 A

VOUT = 2.5 to 5.4 V

IOUT = 75 mA to 2.5A

TP2

FLTx

TP5

10 µF

1234567

1 2

332 kΩ

10 µF

47 µF

22 µF

OUT

ILIM

FAULT

GND

PAD

TPS25200DRV

100 V

V8P10-M3/86A

0.1 Ω

TP10

VIN 0 V

80.6 kΩ

2.8 A

1.1 A

OVP VIN (20 V Max)

OVP TEST

123

J2 VCC IO (7 V Max)

TP11

SH-J2

SH-J4

SH-J3

SH-J1

D1 SHORT

COUT

47 µF

C11

47 µF

C10

47 µF

0.2 Ω

0.1 µF

FLTx

OUT

ILIM

33.2 kΩ

150 µF

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Schematic

3 Schematic

Figure 1. TPS25200EVM-618 Schematic

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General Configuration and Description

4 General Configuration and Description

4.1 Physical Access

Table 1 lists the TPS25200EVM-618 connector functionality, Table 2 describes the test point availability,

and Table 3 describes the jumper functionality.

Table 1. Connector Functionality

Connector Label Description

J5/J7 VIN/GND 2.5- to 6.5-V primary input to the EVM TP10 VIN_OV 2.5- to 20-V HV test voltage input to the EVM J6/J7 VOUT/GND 2.5- to 5.4-V output from the EVM

S1 S1 S1 is used to pulse test the OVP feature

Table 2. Test Points

Test Point Color Label Description

TP4/TP8/TP7 RED/BLK/SM VIN/GND 2.5- to 6.5-V primary input to the EVM

TP6/TP9 RED/SM VOUT/GND 2.5- to 5.4-V output from the EVM

TP5 ORG IN 2.5- to 6.5-V input to the TPS25200

TP11 ORG VCC IO 2.5- to 6.5-V pullup source for EN and FAULTx

TP1 WHT EN Active high enable input TP2 WHT FLT Fault test point TP3 WHT ILIM TPS25200 ILIM pin voltage

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Table 3. Jumpers and LEDs

Jumper Label Description

J1 J1

J2 J2 to the IN pin. When the shunt is in the IO position, then an external IO source should be

J3 ILIM J4 COUT Select the desired output capacitance using a shunt on J4 per the schematic diagram.

J8 EN Remove the shunt to enable the TPS25200 and install the shunt to disable.

Install between pins 1 and 2 to short out D1 (for normal operation). Remove when testing the OVP feature using S1.

Select the desired EN and FLT pullup resistor supply source using a shunt on J2 per the schematic diagram. When the shunt is in the IN position, then the pullup source is connected

connected between TP11 and J7 (or another GND test point). For extended high voltage pulse testing, use the IO position with a supply voltage below 7 V.

Select the desired current limit using a shunt on J3 per the schematic diagram. When the shunt is removed, the current limit is approximately 850 mA.

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Positive

Voltmeter

PRINT HELP

ALPHA

SHIFT

ENTER

RUN

DGERF

AJBKC

7M8N9

DGDGD

G T3U

0V.WX

TAB

% UTILIZATION

HUB/MAU NIC

BNC 4Mb/s

Oscilloscope

Power

Supply

Negative

DUT

PWR618

J5 J6

Positive

Load

Negative

Positive

TP4

TP5

TP6

TP8

TP9

TP2

TP7

TP10

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4.2 Test Setup

Figure 2 shows a typical test setup for TPS25200EVM-618. Connect J5 to the primary power supply,

TP10 to the HV power supply, and J6 to the load. J7 is the common return for J5, J6, and TP10.

General Configuration and Description

Figure 2. Typical TPS25200EVM-618 Test Setup

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EVM Assembly Drawings and Layout Guidelines

5 EVM Assembly Drawings and Layout Guidelines

The following PCB drawings show component placement and layout of the EVM.

Figure 3. Top Side Placement

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TPS25200EVM-618 Evaluation Module for TPS25200 SLVUA53A–March 2014–Revised April 2014

Figure 4. Top Side Routing

Figure 5. Bottom Side Routing

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6 Bill of Materials

Bill of Materials

Table 4. TPS25200EVM-618 Bill of Materials

Designator QTY Value Description Part Number Manufacturer Number –

!PCB 1 Printed Circuit Board PWR618 Any -

C1, C5 1 0.1uF 0805 08055C104KAT2A AVX

C2, C4 2 10uF 0805 TDK

C3, C10, CAP, CERM, 47uF, 25V, ±20%, C3216X5R1E476M

C11 X5R, 1206 160AC

C6 1 150uF 7343-31 Kemet

C7 1 10uF 0805 0805YD106MAT2A AVX

C8 1 22uF 1206 1206YD226MAT2A AVX

C9 1 47uF 1206 TDK

D1 1 100V TO-277A V8P10-M3/86A

FID1, FID2, Fiducial mark. There is nothing to

FID3 buy or mount.

H1, H2, H3, Bumpon, Cylindrical, 0.312 X

H4 0.200, Black

J1, J8 2 2x1 Header TSW-102-07-G-S Samtec

J2, J3 2 1x3 PBC03SAAN PBC03SAAN Connector

J4 1 4x2 Header TSW-104-07-G-D Samtec

J5 1 10A 571-0500 571-0500

J6 1 10A 571-0700 571-0700

J7 1 10A 571-0100 571-0100

LBL1 1 Labels, 1.250" W x 0.250" H - 1.25"H x THT-13-457-10 Brady

R1 1 0.1 RES, 0.1 ohm, 1%, 0.5W, 2010 2010 Vishay-Dale

R2, R3 2 332k RES, 332k ohm, 1%, 0.1W, 0603 0603 Vishay-Dale

R4 1 33.2k 0805 Vishay-Dale

R5 1 80.6k 0805 Vishay-Dale

R6 1 0.2 RES, 0.2 ohm, 1%, 0.5W, 2010 2010 Vishay-Dale

S1 1 Switch, Push Button, SMD SKRKAEE010 Alps

SH-J1, SH- Sullins

J2, SH-J3, 4 1x2 Shunt, 100mil, Flash Gold, Black SPC02SYAN Connector

SH-J4 Solutions

(1)

Unless otherwise noted in the Alternate Part Number – Manufacturer column, all parts may be substituted with equivalents.

3 47uF 1206 TDK

0 Fiducial N/A N/A

4 Black Bumpon SJ61A1 3M

CAP, CERM, 0.1uF, 50V, ±10%, X7R, 0805

CAP, CERM, 10uF, 25V, ±10%, C2012X5R1E106K X5R, 0805 125AB

CAP, TA, 150uF, 16V, ±10%, T495D157K016AT

0.125 ohm, SMD E125 CAP, CERM, 10uF, 16V, ±20%,

X5R, 0805 CAP, CERM, 22uF, 16V, ±20%,

X5R, 1206 CAP, CERM, 47uF, 16V, ±15%, C3216X5R1C476M

X5R, 1206 160AB Diode, Schottky, 100V, 8A, TO- Vishay-

277A Semiconductor

Header, TH, 100mil, 2x1, Gold plated, 230 mil above insulator

Header, TH, 100mil, 1x3, Gold Equivalent – plated, 230 mil above insulator Any

Header, TH, 100mil, 4x2, Gold plated, 230 mil above insulator

Standard Banana Jack, DEM Equivalent – insulated, 10A, red Manufacturing Any

Standard Banana Jack, DEM Equivalent – insulated, 10A, yellow Manufacturing Any

Standard Banana Jack, DEM Equivalent – insulated, 10A, black Manufacturing Any

Thermal Transfer Printable PCB Label 10,000 per roll 0.250"W

RES, 33.2k ohm, 1%, 0.125W, CRCW080533K2F 0805 KEA

RES, 80.6k ohm, 1%, 0.125W, CRCW080580K6F 0805 KEA

Package

Reference

WSL2010R1000FE Equivalent – A Any

CRCW0603332KF KEA

WSL2010R2000FE A

2.9x2x3.9mm Equivalent – SMD Any

Closed Top 100mil Shunt

(1)

Alternate Part

Manufacturer

Sullins Solutions

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Bill of Materials

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Table 4. TPS25200EVM-618 Bill of Materials

Designator QTY Value Description Part Number Manufacturer Number –

TP1, TP2, Test Point, TH, Multipurpose, Equivalent –

TP3 White Any

TP4, TP6, Test Point, TH, Multipurpose, Equivalent –

TP10 Red Any

TP5, TP11 2 Orange Keystone5013 5013 Keystone

TP7, TP9 2 SMT Test Point, SMT, Compact 5016 Keystone

TP8 1 Black Keystone5011 5011 Keystone

U1 1 DRV0006A TPS25200DRV None

3 White Keystone5012 5012 Keystone

3 Red Keystone5010 5010 Keystone

Test Point, TH, Multipurpose, Equivalent – Orange Any

Test Point, TH, Multipurpose, Equivalent – Black Any

Precision Adjustable CurrentLimited Power Distribution Switch Texas with Overvoltage Protection, Instruments DRV0006A

Package

Reference

Testpoint_Keyst Equivalent – one_Compact Any

(1)

(continued)

Alternate Part

Manufacturer

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Revision History

Changes from Original (March 2014) to A Revision ....................................................................................................... Page

• Updated C1 in Figure 1 .................................................................................................................. 3

• Updated C1 and C5 in Table 4 ......................................................................................................... 7

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• 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.

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This Class A or B digital apparatus complies with Canadian ICES-003. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the

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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.

Canada Industry Canada Compliance (French)

Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de

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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.

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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.

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Texas Instruments: TPS25200EVM-618

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