User’s Guide
March 2004 Mixed-Signal Products
SLOU166A
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Mailing Address: Texas Instruments
Post Office Box 655303 Dallas, Texas 75265
Copyright 2004, Texas Instruments Incorporated
EVM IMPORTANT NOTICE
Texas Instruments (TI) provides the enclosed product(s) under the following conditions:
This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION
PURPOSES ONLY and is not considered by TI to be fit for commercial use. As such, the goods being provided
may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective
considerations, including product safety measures typically found in the end product incorporating the goods.
As a prototype, this product does not fall within the scope of the European Union directive on electromagnetic
compatibility and therefore may not meet the technical requirements of the directive.
Should this evaluation kit not meet the specifications indicated in the EVM User’s Guide, the kit may be returned
within 30 days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE
WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED,
IMPLIED, OR S TATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY
PARTICULAR PURPOSE.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user
indemnifies TI from all claims arising from the handling or use of the goods. Please be aware that the products
received may not be regulatory compliant or agency certified (FCC, UL, CE, etc.). Due to the open construction
of the product, it is the user’s responsibility to take any and all appropriate precautions with regard to electrostatic
discharge.
EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE
TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not
exclusive.
TI assumes no liability for applications assistance, customer product design, software performance, or
infringement of patents or services described herein.
Please read the EVM User’s Guide and, specifically, the EVM Warnings and Restrictions notice in the EVM
User’s Guide prior to handling the product. This notice contains important safety information about temperatures
and voltages. For further safety concerns, please contact the TI application engineer.
Persons handling the product must have electronics training and observe good laboratory practice standards.
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machine, process, or combination in which such TI products or services might be or are used.
Mailing Address:
Texas Instruments
Post Office Box 655303
Dallas, Texas 75265
Copyright 2004, Texas Instruments Incorporated
EVM WARNINGS AND RESTRICTIONS
It is important to operate this EVM within the supply voltage range of 2.5 V to 5.5 V.
Exceeding the specified input range may cause unexpected operation and/or irreversible
damage to the EVM. If there are questions concerning the input range, please contact a TI
field representative prior to connecting the input power.
Applying loads outside of the specified output range may result in unintended operation and/or
possible permanent damage to the EVM. Please consult the EVM User’s 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, some circuit components may have case temperatures greater than
85°C. The EVM is designed to operate properly with certain components above 85°C as long
as the input and output ranges are maintained. These components include but are not limited
to linear regulators, switching transistors, pass transistors, and current sense resistors. These
types of devices can be identified using the EVM schematic located in the EVM User’s Guide.
When placing measurement probes near these devices during operation, please be aware
that these devices may be very warm to the touch.
Mailing Address:
Texas Instruments
Post Office Box 655303
Dallas, Texas 75265
Copyright 2004, Texas Instruments Incorporated
Information About Cautions and Warnings
This book may contain cautions and warnings.
This is an example of a caution statement.
Information About Cautions and Warnings
Preface
Read This First
A caution statement describes a situation that could potentially
damage your software or equipment.
This is an example of a warning statement.
A warning statement describes a situation that could potentially
cause harm to you
The information in a caution or a warning is provided for your protection.
Please read each caution and warning carefully.
.
Related Documentation From Texas Instruments
J TI Plug-N-Play Audio Amplifier Evaluation Platform (literature
number SLOU011) provides detailed information on the evaluation
platform and its use with TI audio evaluation modules.
J TPA2010D1 2.5-W Mono Filter-Free Class-D Audio Power
Amplifier (literature number SLOS417) This is the data sheet for
the TPA2010D1 audio amplifier integrated circuit.
Trademark
NanoFreet is a trademark of Texas Instruments Incorporated.
iii
FCC Warning
FCC Warning
This equipment is intended for use in a laboratory test environment only. It
generates, uses, and can radiate radio frequency energy and has not been
tested for compliance with the limits of computing devices pursuant to subpart
J of part 15 of FCC rules, which are designed to provide reasonable protection
against radio frequency interference. Operation of this equipment in other
environments may cause interference with radio communications, in which
case the user at his own expense will be required to take whatever measures
may be required to correct this interference.
iv
Contents
Contents
1 Introduction 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 Feature Highlights 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 Description 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 TPA2010D1 EVM Specifications 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Operation 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 Precautions 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Quick Start List for Platform 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Quick Start List for Stand-Alone 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 References 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.1 TPA2010D1 EVM Connected for Stereo BTL Output 2-5. . . . . . . . . . . . . . . . . . . . .
2.4.2 TPA2010D1 EVM Schematic Diagram 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.3 TPA2010D1 Audio Power Amplifier Evaluation Module Parts List 2-6. . . . . . . . . .
2.4.4 TPA2010D1 EVM PCB Layers 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figures
2−1 Quick Start Platform Map 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−2 TPA2010D1 EVM Connected for Stereo BTL Output 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−3 TPA2010D1 EVM Schematic Diagram 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−4 TPA2010D1 EVM Top Layer 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−5 TPA2010D1 EVM Bottom Layer 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tables
2−1 Typical TI Plug-N-Play Platform Jumper and Switch Settings for the TPA2010D1 EVM 2-1.
2−2 Platform Jumper and Switch Settings for the TPA2010D1 EVM 2-3. . . . . . . . . . . . . . . . . . . . . .
2−3 TPA2010D1 EVM Parts List 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
v
Contents
vi
Chapter 1
Introduction
This chapter provides an overview of the Texas Instruments (TI) TPA2010D1
NanoFree WCSP audio amplifier evaluation module (TPA2010D1YZF
EVM). It includes a list of EVM features, a brief illustrated description of the
module, and a list of EVM specifications.
The is TPA2010D1 EVM is completely Pb-free. The device, all the
components, and the printed-circuit board are all Pb-free. In addition, no lead
is used in the manufacture or assembly of the module.
Topic Page
1.1 Feature Highlights 1−2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 Description 1−3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 TP A2010D1 EVM Specifications 1−3. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction
1-1
Feature Highlights
1.1 Feature Highlights
The TI TPA2010D1 audio amplifier evaluation module and the TI Plug-N-Play
audio amplifier evaluation platform include the following features:
- TPA2010D1 Low-Voltage Audio Power Amplifier Evaluation Module
J 1.45 mm x 1.45 mm NanoFree WCSP
J Fully-differential filter-free Class-D amplifier
J Single channel, bridge-tied load (BTL)
J 2.5-V to 5.5-V operation
J 2.5-W output power into 4 Ω at 5 V, BTL
J Internal depop and quick start-up circuitry
J Internal thermal and short-circuit protection
J Module gain is set at 2 V/V
J Completely Pb-free
- Quick and Easy Configuration With the TI Plug-N-Play Audio Amplifier
Evaluation Platform
J Evaluation module is designed to simply plug into the platform,
automatically making all signal, control, and power connections.
J Platform provides flexible power options.
J Jumpers on the platform select power and module control options.
J Switches on the platform route signals.
J Platform provides quick and easy audio input and output connections.
- Platform Power Options
J Onboard 9-V battery
J External 5-V to 15-V (V
J External regulated V
J Socket for onboard 5-V/3.3-V V
J Onboard overvoltage and reverse polarity power protection
- Platform Audio Input and Output Connections
J Left and right RCA phono jack inputs
J Miniature stereo phone jack input
J Left and right RCA phono jack outputs
J Left and right compression speaker terminal outputs
) supply inputs
CC
supply input
DD
voltage regulator EVM
DD
1-2
J Miniature stereo headphone jack output
1.2 Description
Description
The TPA2010D1 audio power amplifier evaluation module is a complete,
low-power single-channel audio power amplifier. It consists of the TI
TPA2010D1 2.5-W low-voltage Class-D audio power amplifier IC in a very
small NanoFree WCSP package, along with a small number of other parts
mounted on a circuit board that is approximately one and a quarter inches
square.
Single in-line header pins are mounted to the underside of the module circuit
board. These pins allow the EVM to be plugged into the TI Plug-N-Play audio
amplifier evaluation platform or to be wired directly into existing circuits and
equipment when used stand-alone.
The platform, which has room for a pair of TPA2010D1 evaluation modules,
is a convenient vehicle for demonstrating TI’s audio power amplifier and
related evaluation modules. The EVMs simply plug into the platform, which
automatically provides power to the modules, interconnects them correctly,
and connects them to a versatile array of standard audio input and output jacks
and connectors. Easy-to-use configuration controls allow the platform and
EVMs to quickly model many possible end-equipment configurations.
There is nothing to build, nothing to solder, and nothing but the speakers
included with the platform to hook up.
1.3 TPA2010D1 EVM Specifications
Supply voltage range, V
Power supply current rating required 1 A
Continuous output power, PO: 4-Ω BTL, V
Audio input voltage, V
Minimum load impedance, Z
I
DD
2.5 V to 5.5 V
= 5 V 2.5 W
DD
0 V to VDD, max
L
4 Ω
Introduction
1-3
1-4
Chapter 2
Operation
Follow the steps in this chapter to prepare the TPA2010D1 audio amplifier
EVM for use. Using the TPA2010D1 EVM with the TI Plug-N-Play audio
amplifier evaluation platform is a quick and easy way to connect power , signal
and control inputs, and signal outputs to the EVM, using standard connectors.
However, the audio amplifier evaluation module can be used stand-alone by
making connections directly to the module pins, and it can be wired directly into
existing circuits or equipment.
The platform switch and jumper settings shown in T able 2−1 are typical for the
TPA2010D1 EVM. They cause the TPA2010D1 amplifier IC on the EVM to
shut down when a plug is inserted into platform headphone jack J10.
Table 2−1. Typical TI Plug-N-Play Platform Jumper and Switch Settings for the
TPA2010D1 EVM
EVM JP6 JP7 JP8 S2 S3
TPA2010D1 Mute X Lo See Note 2 X
Notes: 1) X = Don’t care
2) Set S2 to On when signal conditioning board is installed in U1; set S2 to Off when
no signal conditioning board is installed.
Topic Page
2.1 Precautions 2−2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Quick Start List for Platform 2−3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Quick Start List for Stand-Alone 2−4. . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 References 2−5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation
2-1
Precautions
2.1 Precautions
Power Supply Input Polarity and Maximum Voltage
Always ensure that the polarity and voltage of the external power
connected to V
input connector J6 are correct. Overvoltage or reverse-polarity
power applied to these terminals can open onboard soldered-in
fuses and cause other damage to the platform, installed evaluation
modules, and/or the power source.
Inserting or Removing EVM Boards
Do not insert or remove EVM boards with power applied
to the EVM board, the platform, or both may result.
Figure 2−1.Quick Start Platform Map
power input connector J1, J2, and/or VDD power
CC
—damage
6b
Power
Input
Audio
Input
Off Pwr
1
10
On
ICC
JP4
S1
6b 6b
SUPPLY
POWER
U6
F2
VR2
6a
6b
SOURCE
J1
VCC
In
+
DC
VCC(J1)
JP1
(J2)
JP2
AC/DC
Batt
JP3
VR1
F1
C1+
DC
VDD
J6
+
Power
In/Out
9
Audio
Power
Amps
B1
IDD
JP5
U3 U4
R2
U2
LED2
VDD
Out
Out
In/Out
J7
Right
J8
+− +−
Right
D4
AC/DC
In
J2
In
Right
J3
D3
D2
D1
VCC
LED1
R1
Signal Conditioning
Stereo
J4
In
8
U1
Speaker
J10
R5
Output
5
4
Headphone
Output
9
Left
J5
In
TEXAS
INSTRUMENTS
1997
Plug-N-Play Audio Amplifier
Evaluation Platform
SLOP097 Rev. C.1
****CAUTION****
Do not insert or remove
EVM boards with power
applied
ConditioningS2
GND
OnOff
TP1
U5
U2-U4
U5
S3
HP
Source
HP(U5)
Polarity
JP7
R3
R4
JP6
Lo
Hi
+
+
Out
Mode
Mute
Spk(U2-U4)
Out
JP8
C3 C2
HP Out
Left
J9
Left
Stereo
2-2
3
2
Quick Start List for Platform
2.2 Quick Start List for Platform
Follow these steps when using the TPA2010D1 EVM with the TI Plug-N-Play
audio amplifier evaluation platform (see the platform user’s guide, SLOU011,
for additional details).
- Platform preparations
1) Ensure that all external power sources are set to OFF and that the platform
power switch S1 is set to Off.
2) Install a TPA2010D1 module in platform sockets U3 and U4 for stereo
operation (or a module in either U3 or U4 for single channel operation),
taking care to align the module pins correctly.
3) Use switch S2 to select or bypass the signal conditioning EVM (U1).
4) Set control signal polarity jumper JP8 to Lo.
5) Set jumper JP6 to select the mute control input. Jumper, J1, on the
TPA2010D1 EVM must be open to allow the TPA2010D1 to shutdown if
a plug is inserted into platform headphone jack J10.
Table 2−2. Platform Jumper and Switch Settings for the TPA2010D1 EVM
EVM JP6 JP7 JP8 S2 S3
TPA2010D1 Mute X Lo See Note 2 X
Notes: 1) X = Don’t care
2) Set S2 to On when signal conditioning board is installed in U1; set S2 to Off when
no signal conditioning board is installed.
- Power supply
6) Select and connect the power supply:
a) Connect an external regulated power supply set to a voltage between
2.5 V and 5.5 V to platform V
power input connector J6, taking care
DD
to observe marked polarity,
or
b) Install a voltage regulator EVM (SLVP097 or equivalent.) in platform
socket U6. Install a 9-V battery in B1 or connect a 7 V−12 V power
source to a platform V
power input J1 or J2 and jumper the appropri-
CC
ate power input (see platform user’s guide).
- Inputs and outputs
7) Ensure that signal source level is set to minimum.
8) Connect the audio source to left (J5) or right (J3) RCA phono jacks, or both
if using two TPA2010D1 modules, or to stereo miniature phone jack (J4).
9) Connect 4-Ω to 32-Ω speakers to left (J9) or right (J7) RCA jacks, or both
if using two TPA2010D1 modules, or to stripped wire connector (J8).
- Power Up
10) Verify correct voltage and input polarity and set the external power supply
to ON. If V
and an on-board regulator EVM are used to provide VDD, set
CC
platform power switch S1 to On.
Platform LED2 lights, indicating the presence of V
, and the evaluation
DD
modules installed on the platform begin operation.
11) Adjust the signal source level as needed.
Operation
2-3
Quick Start List for Stand-Alone
2.3 Quick Start List for Stand-Alone
Follow these steps to use the TPA2010D1 EVM stand-alone or when
connecting it into existing circuits or equipment. Connections to the
TPA2010D1 module header pins can be made via individual sockets,
wire-wrapping, or soldering to the pins, either on the top or the bottom of the
module circuit board.
- Power supply
1) Ensure that all external power sources are set to OFF.
2) Connect an external regulated power supply set to 5 V to the module V
and GND pins, taking care to observe marked polarity.
- Inputs and outputs
3) Ensure that the signal source level is set to minimum.
4) Connect the positive lead from the audio source to the module IN+ pin and
the negative lead to the IN− pin.
5) SHUTDOWN
the SHUTDOWN
6) Connect a 4-Ω to 32-Ω speaker to the module OUT+ and OUT− pins.
- Power Up
7) Verify correct voltage and input polarity and set the external power supply
to ON.
The EVM begins operation.
8) Adjust the signal source level as needed.
DD
can be enabled by either depressing switch S1, or by driving
EVM pin with TTL level logic.
2-4
2.4 References
2.4.1 TPA2010D1 EVM Connected for Stereo BTL Output
Figure 2−2.TPA2010D1 EVM Connected for Stereo BTL Output
5 VDC
References
Right
Audio
Input
(Right)
External Mute Control
Audio
Input
(Left)
5 VDC
Left
Note: Due to the very small size of the NanoFree WCSP IC package, the standard part number TPA2010D1 is replaced with
the code AKO (Pb-free version).
Operation
2-5
TP A2010D1 Audio Power Amplifier Evaluation Module Parts List
2.4.2 TPA2010D1 EVM Schematic Diagram
Figure 2−3.TPA2010D1 EVM Schematic Diagram
V
DD
2.5 V to 5.5 V
C2
0.22 µF
IN+
C1
0.22 µF
IN−
SHUTDOWN
R3
100 kΩ
(1)
Values shown are for EVM revision A only. For non-rev A EVMs, R1 = R2 = 60.4 k
R2
150 kΩ
R1
150 kΩ
(1)
(1)
S1
A1
B1
C1
C2
IN+
V
DD
IN−
SHUTDOWN
GND
VO−
VO+
PV
DD
C3
0.22 µF
A2, A3
A3
C3
B2
Ω, AV = 5 V/V.
C4
10 µF
GND
OUT−
OUT+
GND
2.4.3 TPA2010D1 Audio Power Amplifier Evaluation Module Parts List
Table 2−3.TPA2010D1 EVM Parts List
Qty. Reference Description SMD Size
3 C1, C2, C3
Capacitor, 0.22 µF,
80%/−20%, nonpolarized
0603
1 C4 Capacitor, 10 µF, 6.3 V A
Resistor, 150 kΩ, 1/16 W,
2 R1, R2
1 R3
(1)
1%
Resistor, 100 kΩ, 1/16 W,
10%
0603
0603
1 S1 Momentary switch
Manufacturer/
Part Number
Panasonic
ECJ−1VF1C224Z
Panasonic
ECS-TOJY106R
Panasonic
ERJ-3EKF6042V
Panasonic
ERJ-3EKF1003V
Panasonic
P8048SCT−ND
Sullins
PTC36SABN
7 Terminal post headers
or
SAMTEC
TSW−19−8−G−S
IC, TPA2010D1,
1 U1
Mono Class-D audio
amplifier
1 PCB1
(1)
Values shown are for EVM revision A only. For non-rev A EVMs, R1 = R2 = 60.4 kΩ, AV = 5 V/V.
(2)
Call Digi-Key for Pb-free information.
Note: Due to the very small size of the NanoFree WCSP IC package, the standard part number TPA2010D1 is replaced with
Note: All items are SMD except terminal posts. All components are Pb free.
the code AKO (Pb-free version).
Printed-circuit board,
TP A2010D1 EVM
1.45 mm x 1.45 mm
WCSP packageTITPA2010D1YZF
Digi-Key
Number
Digi-Key
(2)
PCC1790TR−ND
Digi-Key
PCS1106CT-ND
Digi-Key
(2)
P60.4KHTR-ND
Digi-Key
(2)
P100KHTR-ND
Digi-Key
P8048SCT-ND
Digi-Key
S1022-36-ND
2-6
2.4.4 TPA2010D1 EVM PCB Layers
The following illustrations depict the TPA2010D1 EVM PCB layers and silkscreen. These drawings are not to scale. Gerber plots can be obtained from
any TI sales office.
Figure 2−4.TPA2010D1 EVM Top Layer
TPA2010D1 EVM PCB Layers
Figure 2−5.TPA2010D1 EVM Bottom Layer
Operation
2-7
2-8
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