Texas Instruments Stereo Amplifier TPA3100D2 User Manual

User's Guide  
SLOU179December 2005  
TPA3100D2 Audio Power Amplifier Evaluation Module  
With LC Filter  
Contents  
1
2
3
4
5
Introduction .......................................................................................... 2  
Operation ............................................................................................ 3  
TPA3100D2 EVM Schematic ..................................................................... 5  
TPA3100D2 EVM PCB Layers ................................................................... 6  
TPA3100D2 EVM Parts List....................................................................... 8  
List of Figures  
1
2
3
4
5
TI TPA3100D2 Audio Power Amplifier EVM – Top View...................................... 2  
TI TPA3100D2 Audio Power Amplifier EVM – Bottom View.................................. 2  
TPA3100D2 EVM Schematic ..................................................................... 5  
TPA3100D2 EVM – Top Layer ................................................................... 6  
TPA3100D2 EVM – Bottom Layer................................................................ 7  
List of Tables  
1
2
Gain Settings........................................................................................ 4  
TPA3100D2 EVM Parts List....................................................................... 8  
SLOU179December 2005  
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1
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Operation  
1.2 TPA3100D2 EVM Specifications  
VCC  
ICC  
PO  
RL  
Supply voltage range  
10 V to 26 V  
4 A max  
20 W  
Supply current  
Continuous output power per channel, 8 , VCC = 18 V, THD + N = 3.5%  
Minimum load impedance  
3.2 Ω  
2
Operation  
2.1 Quick Start List for Stand-Alone Operation  
Follow these steps to use the TPA3100D2 EVM stand-alone or when connecting it into existing circuits or  
equipment. Connections to the EVM module can be made using banana plugs for the power supply and  
output connections. The inputs accept standard RCA plugs.  
2.1.1  
Power Supply  
1. Ensure that all external power sources are set to OFF.  
2. Connect an external regulated power supply adjusted from 10 V – 26 V to the module VCC (J7) and  
GND (J8) banana jacks taking care to observe marked polarity.  
2.1.2  
Evaluation Module Preparations  
2.1.2.1  
Inputs and Outputs  
1. If connecting to a fully differential input or a grounded input (the shield of the RCA jack is GND),  
remove jumpers J9 and J10 from the EVM board. These are located next to the input jacks J1 and J2.  
If connecting to a floating source, like a portable CD player, install J9 and J10. After setting the J9 and  
J10 jumpers appropriately, connect the audio source to J1 (RIGHT) and J2 (LEFT).  
2. Connect a speaker across ROUT+ (J6) and ROUT- (J5). Connect another speaker across LOUT+ (J3)  
and LOUT- (J4).  
3. Install both gain jumpers GAIN0 (J12) and GAIN1 (J13). This sets the gain of the amplifier to the  
lowest level, 20 dB.  
4. Remove the jumper at MSTR/SLV (J14). If only one TPA3100D2 is evaluated, it must be configured as  
the master. If multiple EVMs are connected together using the SYNC output (TP2), the additional  
EVMs must be configured in the slave mode by installing the J14 jumper.  
5. Remove the jumper (J11). This places the device in a latched mode when a short-circuit event occurs.  
2.1.2.2  
Control Inputs  
1. SD: This terminal is active low. A low signal on the device terminal (< 0.8 V) shuts down the amplifier;  
a high signal (> 2 V) on the device terminal places the amplifier in the active state. Holding down  
switch S1 places the amplifier in the SHUTDOWN state. Releasing S1 returns the amplifier to the  
active state.  
2. MUTE: This terminal is active high. A high signal (> 2 V) on this terminal immediately terminates audio  
playback through the speakers and the outputs stop switching; a low signal (< 0.8 V) enables the  
device. S2 on the EVM controls the state of the MUTE terminal. Holding down switch S2 places the  
amplifier in the MUTE state. Releasing S2 returns the amplifier to the active state.  
3. GAIN0/GAIN1: Together, these terminals determine the gain of the amplifier. Refer to Table 1.  
Installing a jumper in J12 or J13 sets the respective terminal to GND. Removing the jumper sets the  
respective terminals to VREG (~4 V). Removing jumpers INCREASES the gain while installing jumpers  
DECREASES the gain. Logic levels are TTL compatible.  
4. MSTR/SLV: This terminal is used with the SYNC (TP2) output to synchronize the switching  
frequencies of multiple TPA3100D2 devices. For example, with 2 devices, one would be configured as  
the MASTER by removing the J14 jumper. The other EVM would be configured as the SLAVE device  
by installing a jumper in the J14 location. Logic levels are TTL compatible.  
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3
 
Operation  
Table 1. Gain Settings  
GAIN1 (J13)(1)  
GAIN0 (J12)(1)  
Amplifier Gain (dB)  
ON  
ON  
ON  
OFF  
ON  
20  
26  
32  
36  
OFF  
OFF  
OFF  
(1)  
OFF = Jumper removed; ON = Jumper installed  
2.1.2.3  
Control Outputs  
1. FAULT: This pin is a TTL compatible output for reporting a short-circuit fault on the output. If the  
outputs are shorted to GND, VCC, or to each other, this terminal goes high and remains high until one  
of the following operations is performed: power is cycled, SHUTDOWN is cycled, or MUTE is cycled. If  
jumper J11 is installed, the MUTE terminal is connected directly to the FAULT terminal and a  
short-circuit fault is automatically cleared when it occurs.  
2.1.3  
Power Up  
1. Verify correct voltage and input polarity and turn the external power supplies on. The EVM should  
begin operation.  
2. Adjust the input signal.  
3. Adjust the control inputs to the desired settings.  
4. If no sound is audible, check the position of the MSTR/SLV (J14) jumper. It should be removed if  
evaluating a single EVM.  
5. Adjust the amplifier gain by installing/removing the gain jumpers, J12 and J13.  
4
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TPA3100D2 EVM Schematic  
3
TPA3100D2 EVM Schematic  
J6  
ROUT+  
J5  
ROUT-  
VCC  
S1  
0.47mF  
C23  
VREG  
S2  
C9 C8  
0.1  
mF  
0.1  
mF  
J11  
TP1  
FAULT  
VCC  
0.22mF  
0.22mF  
C4  
C3  
J9  
J7  
VCC  
NC  
NC  
C11  
C18  
RINN  
PVCCR  
1mF  
1.0mF  
RIN  
C12  
PVCCR  
RINP  
220mF  
C21  
1.0mF  
PGNDR  
AGND  
C13  
LIN  
J2  
LINP  
PGNDR  
1.0mF  
C16  
J8  
GND  
1mF  
C14  
VCLAMPR  
LINN  
TPA3100D2  
1.0mF  
VCLAMPL  
NC  
J10  
J12  
C15  
1mF  
PGNDL  
GAIN0  
J13  
J14  
GAIN1  
PGNDL  
220mF  
C22  
PVCCL  
MSTR/SLV  
TP2  
1mF  
C19  
SYNC  
PVCCL  
NC  
NC  
VCC  
Connected at PowerPad  
and then to J8 with single  
point connection.  
C1  
C2  
0.22mF  
0.22mF  
VREG  
AGND  
PGND  
0.1  
mF  
0.1  
mF  
C6 C7  
C24  
0.47mF  
J4  
LOUT-  
J3  
LOUT+  
Figure 3. TPA3100D2 EVM Schematic  
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5
   
TPA3100D2 EVM PCB Layers  
4
TPA3100D2 EVM PCB Layers  
Figure 4. TPA3100D2 EVM – Top Layer  
6
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TPA3100D2 EVM PCB Layers  
Figure 5. TPA3100D2 EVM – Bottom Layer  
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TPA3100D2 EVM Parts List  
5
TPA3100D2 EVM Parts List  
Table 2. TPA3100D2 EVM Parts List  
Ref.  
C1 – C4  
Description  
Size  
0603  
0603  
0603  
0603  
0805  
0805  
1210  
Radial  
Radial  
0805  
0603  
Qty  
Mfg  
Part #  
Vendor #  
Digi-key/445-1318-2  
Digi-key/445-1311-2  
Digi-key/445-1314-2  
Digi-key/445-1321-2  
Digi-key/445-1364-2  
Digi-key/445-1367-2  
Digi-key/490-1891-2  
Digi-key/P10297  
Capacitor, ceramic, 0.22-µF, ±10%, X7R, 25-V  
Capacitor, ceramic, 0.01-µF, ±10%, X7R, 50-V  
Capacitor, ceramic, 0.1-µF, ±10%, X7R, 50-V  
Capacitor, ceramic, 1.0-µF, ±10%, X5R, 10-V  
Capacitor, ceramic, 1.0-µF, +80%/–20%, Y5V, 50-V  
Capacitor, ceramic, 1.0-µF, +80%/–20%, Y5V, 16-V  
Capacitor, ceramic, 10-µF, +80%/–20%, Y5V, 50-V  
Capacitor, electrolytic, 220-µF, low impedance  
Inductor, 33-µH, radial lead, ferrite material, shielded  
Capacitor, ceramic, 0.47-µF, ±10%, X5R, 35-V  
Resistor, chip, 100 k, 1/16 W, 5%  
4
TDK  
TDK  
TDK  
TDK  
TDK  
TDK  
C1608X7R1C224KT  
C1608X7R1H103KT  
C1608X7R1H104KT  
C1608X5R1A105KT  
C2012Y5V1H105Z  
C2012Y5V1C105Z  
GRM32DF51H106ZA01L  
EEU-FC1V221  
C5  
1
C6 – C9  
C10 – C14  
C17 – C19  
C15, C16  
C20  
4
5
3
2
1
Murata  
Panasonic  
Toko  
C21, C22  
L1–L4  
2
4
A7503AY-330M  
C23, C24  
R1 – R6  
J1, J2  
2
Taiyo-Yuden GMK212BJ474KG  
6
Panasonic  
Switchcraft  
Johnson  
ERJ-3GEYJ104V  
PJRAN1X1U03  
111-2223-001  
2163-36-01-P2  
2JM-G  
Digi-Key/P100KG  
Newark/16C1860  
Digi-Key/J587  
Phono jack, PC mount, switched  
2
J3 – J8  
J9 – J14  
Banana jack w/knurled thumbnut (nickel plate)  
Header, 2 position, male  
6
2 mm  
2 mm  
6
Norcomp  
Specialty  
Digi-Key / 2163S-36  
J9 –  
Shunt, 2 mm  
6
J14(shunts)  
TP1, TP2  
S1, S2  
Test points, 0.040" mounting hole  
Switch, momentary, SMD, low profile  
Standoffs, 5/8" length, 4-40 thread  
Screws, 4-40, .375  
1
2
4
4
1
Farnell  
240-345  
Panasonic  
Keystone  
EVQ-PPBA25  
1808  
Digi-Key/P8086S  
(Newark) 89F1934  
(Digi-Key) H781-ND  
U1  
TPA3100D2RGZ  
48-pin QFN  
TI  
TPA3100D2RGZ  
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TPA3100D2 EVM Parts List  
FCC Warnings  
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.  
EVM TERMS AND CONDITIONS  
Texas Instruments (TI) provides the enclosed Evaluation Module and related material (EVM) to you, the user, (you or user)  
SUBJECT TO the terms and conditions set forth below. By accepting and using the EVM, you are indicating that you have read,  
understand and agree to be bound by these terms and conditions. IF YOU DO NOT AGREE TO BE BOUND BY THESE TERMS  
AND CONDITIONS, YOU MUST RETURN THE EVM AND NOT USE IT.  
This EVM is provided to you by TI and is intended for your INTERNAL ENGINEERING DEVELOPMENT OR EVALUATION  
PURPOSES ONLY. It is provided “AS IS” and “WITH ALL FAULTS.” It is not considered by TI to be fit for commercial use. As  
such, the EVM may be incomplete in terms of required design-, marketing-, and/or manufacturing-related protective considerations,  
including product safety measures typically found in the end product. As a prototype, the EVM 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 EVM not meet the specifications indicated in the EVM User’s Guide, it may be returned within 30 days from the date of  
delivery for a full refund of any amount paid by user for the EVM, which user agrees shall be user’s sole and exclusive remedy.  
THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY TI TO USER, AND IS IN LIEU OF ALL OTHER  
WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY, FITNESS  
FOR ANY PARTICULAR PURPOSE OR NON-INFRINGEMENT.  
TI shall have no obligation to defend any claim arising from the EVM, including but not limited to claims that the EVM infringes third  
party intellectual property. Further, TI shall have no liability to user for any costs, losses or damages resulting from any such  
claims. User shall indemnify and hold TI harmless against any damages, liabilities or costs resulting from any claim, suit or  
proceeding arising from user’s handling or use of the EVM, including but not limited to, (i) claims that the EVM infringes a third  
party’s intellectual property, and (ii) claims arising from the user’s use or handling of the EVM. TI shall have no responsibility to  
defend any such claim, suit or proceeding.  
User assumes all responsibility and liability for proper and safe handling and use of the EVM and the evaluation of the EVM. TI  
shall have no liability for any costs, losses or damages resulting from the use or handling of the EVM. User acknowledges that the  
EVM may not be regulatory compliant or agency certified (FCC, UL, CE, etc.). Due to the open construction of the EVM it is the  
user’s responsibility to take any and all appropriate precautions with regard to electrostatic discharge.  
EXCEPT TO THE EXTENT OF THE USER’S INDEMNITY OBLIGATIONS SET FORTH ABOVE, NEITHER PARTY SHALL BE  
LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES WHETHER TI IS  
NOTIFIED OF THE POSSIBILITY OR NOT.  
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.  
User agrees to read the EVM User’s Guide and, specifically, the EVM warnings and Restrictions notice in the EVM User’s Guide  
prior to handling the EVM and the product. This notice contains important safety information about temperatures and voltages.  
It is user’s responsibility to ensure that persons handling the EVM and the product have electronics training and observe good  
laboratory practice standards.  
By providing user with this EVM, product and services, TI is NOT granting user any license in any patent or other intellectual  
property right.  
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265  
Copyright © 2005, Texas Instruments Incorporated  
EVM WARNINGS AND RESTRICTIONS  
It is important to operate this EVM within the supply voltage range of –0.3 V to 30 V and input voltage range of –0.3 V to 4.5 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.  
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TPA3100D2 EVM Parts List  
EVM WARNINGS AND RESTRICTIONS (continued)  
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 2005, Texas Instruments Incorporated  
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IMPORTANT NOTICE  
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,  
enhancements, improvements, and other changes to its products and services at any time and to discontinue  
any product or service without notice. Customers should obtain the latest relevant information before placing  
orders and should verify that such information is current and complete. All products are sold subject to TI’s terms  
and conditions of sale supplied at the time of order acknowledgment.  
TI warrants performance of its hardware products to the specifications applicable at the time of sale in  
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI  
deems necessary to support this warranty. Except where mandated by government requirements, testing of all  
parameters of each product is not necessarily performed.  
TI assumes no liability for applications assistance or customer product design. Customers are responsible for  
their products and applications using TI components. To minimize the risks associated with customer products  
and applications, customers should provide adequate design and operating safeguards.  
TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right,  
copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process  
in which TI products or services are used. Information published by TI regarding third-party products or services  
does not constitute a license from TI to use such products or services or a warranty or endorsement thereof.  
Use of such information may require a license from a third party under the patents or other intellectual property  
of the third party, or a license from TI under the patents or other intellectual property of TI.  
Reproduction of information in TI data books or data sheets is permissible only if reproduction is without  
alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction  
of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for  
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Resale of TI products or services with statements different from or beyond the parameters stated by TI for that  
product or service voids all express and any implied warranties for the associated TI product or service and  
is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.  
Following are URLs where you can obtain information on other Texas Instruments products and application  
solutions:  
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