Texas Instruments Car Amplifier TPA2011D1 User Manual

User's Guide  
SLOU244December 2009  
TPA2011D1 Audio Power Amplifier Evaluation Module  
The TPA2011D1 audio power amplifier evaluation module is a complete, low-power, Class-D, mono audio  
power amplifier capable of delivering 1.47 W into 8 Ω and 2.57 W into 4 ohms at 1% THD+N (YFF  
package). All components and the evaluation module are Pb-free. The TPA2011D1 evaluation module  
(EVM) consists of a TPA2011D1 device and all necessary components to evaluate it.  
Contents  
1
2
3
4
Introduction .................................................................................................................. 1  
Operation ..................................................................................................................... 1  
Reference .................................................................................................................... 3  
Related Documentation From Texas Instruments ...................................................................... 5  
List of Figures  
1
2
3
Top Layer ....................................................................................................................  
Bottom Layer ................................................................................................................  
TPA2011D1EVM Schematic Diagram....................................................................................  
List of Tables  
1
TPA2011D1EVM Parts List................................................................................................  
1
Introduction  
This section provides an overview of the Texas Instruments (TI) TPA2011D1 NanoFree™ WCSP audio  
amplifier evaluation module (TPA2011D1EVM). It includes a brief description of the module and a list of  
EVM specifications.  
1.1 TPA2011D1EVM Specifications  
Supply voltage range, VDD  
2.5 V to 5.5 V  
2.5 A  
Power supply current rating required  
Continuous output power, PO: 4-BTL, VDD = 5 V, THD+N = 10%  
Audio input voltage, VI  
3.24 W  
0 V to VDD  
4 Ω  
Minimum load impedance, ZL  
2
Operation  
This section describes how to operate the TPA2011D1EVM.  
2.1 Quick Start for Stand-Alone Operation  
Use the following steps when operating the TPA2011D1EVM stand-alone or when connecting the EVM  
into existing circuits or equipment.  
NanoFree is a trademark of Texas Instruments.  
1
SLOU244December 2009  
TPA2011D1 Audio Power Amplifier Evaluation Module  
Copyright © 2009, Texas Instruments Incorporated  
 
   
Reference  
3
Reference  
This section includes the EVM PCB layout reference, schematic, and parts list.  
3.1 TPA2011D1EVM PCB Layers  
DB  
Figure 1. Top Layer  
DB  
Figure 2. Bottom Layer  
3
SLOU244December 2009  
TPA2011D1 Audio Power Amplifier Evaluation Module  
Copyright © 2009, Texas Instruments Incorporated  
 
     
Reference  
3.2 TPA2011D1EVM Schematic Diagram  
Vdd  
VDD  
C3  
10ufd/6.3V  
GND  
R4  
Vdd  
TP OUT-  
1.0K  
GND  
C9  
4700pfd/50V  
C4  
0.1ufd/16V  
U1  
C1  
R2  
C10  
150K  
GND  
0.1ufd/25V  
4700pfd/50V  
R5  
C2  
TP OUT+  
R3  
1.0K  
IN  
150K  
0.1ufd/25V  
JP1  
TPA2011D1YFF  
GND  
Vdd  
GND  
FB1  
R100  
OUT +  
OUT -  
220ohms/2A  
R1  
0.0  
100K  
S1  
FB2  
R101  
220ohms/2A  
0.0  
GND  
C7  
C8  
TVS1  
DNP  
TVS2  
DNP  
1000pfd/100V 1000pfd/100V  
GND  
GND  
GND  
GND  
TOP VIEW  
A1 A2 A3  
B1 B2 B3  
C1 C2 C3  
STANDOFFS  
0.5in  
0.5in  
0.5in  
0.5in  
GND GND GND GND  
0.5in 0.5in 0.5in 0.5in  
Figure 3. TPA2011D1EVM Schematic Diagram  
4
TPA2011D1 Audio Power Amplifier Evaluation Module  
SLOU244December 2009  
Copyright © 2009, Texas Instruments Incorporated  
 
 
Related Documentation From Texas Instruments  
3.3 TPA2011D1 Audio Power Amplifier Evaluation Module Parts List  
Table 1. TPA2011D1EVM Parts List  
Part No.  
U1  
Description  
Size  
Qty.  
Vendor Part Number  
2.75W STEREO CLASS D AMP WCSP9-YFF  
ROHS  
1
Texas Instruments , TPA2011D1YFF  
TVS1,  
TVS2  
TRANSIENT VOLTAGE SUPPRESSION BIDIR 6.1V  
9A SOD-882 ROHS  
2
2
2
2
1
1
ST Microelectronics, ESDALC6V1-1BT2  
Panasonic, PCC1952CT  
AVX, 478-1244-1  
C7, C8  
C1, C2  
C9, C10  
C3  
CAP SMD0603 CERM 1000PFD 100V 10% X7R  
ROHS  
0603  
0603  
0805  
0603  
0402  
CAP SMD0603 CERM 0.1UFD 25V 10% X5R  
ROHS  
CAP SMD0805 CERM 4700PFD 50V 5% X7R  
ROHS  
AVX, 478-3770-1  
CAP SMD0603 CERM 10UFD 6.3V 20% X5R  
ROHS  
Panasonic, PCC2395CT  
Taiyo Yuden, 490-3261-1  
C4  
CAP SMD0402 CERM 0.1UFD 16V 10% X7R  
ROHS  
R2, R3  
R1  
RES SMD0603 5% 1/10W 150K ROHS  
RES 100K OHM 1/16W 1% SMD 0603 ROHS  
RES SMT0805 1.0K 5% 1/8W ROHS  
0603  
0603  
0805  
0603  
2
1
2
2
Panasonic, P150KGCT  
Panasonic, P100KHCT  
Panasonic, P1.0KACT  
Panasonic, P0.0GCT  
R4,R5  
R100,  
R101  
RES 0.0 OHM 1/16W 5% SMD 0603 ROHS  
FB1,FB2  
FERRITE CHIP, 220 OHMS 2A 100MHZ SMD 0603  
ROHS  
0603  
2
1
TDK, 445-1565-1  
JP1  
HEADER 2 PIN MALE, PCB STRAIGHT GOLD  
ROHS  
Sullins, S1011E-02 2  
IN  
JACK, RCA 3-PIN PCB-RA BLACK ROHS  
PC TESTPOINT, RED, ROHS  
1
1
1
1
1
4
Switchcraft, 65K7770  
TP OUT+  
TP OUT-  
S1  
Keystone Electronics, 5000K  
Keystone Electronics, 5001K  
E-Switch, EG4344CT  
PC TESTPOINT, BLACK, ROHS  
SWITCH, MOM, 160G SMT 4X3MM ROHS  
SHUNT, BLACK AU FLASH 2mmLS  
JP1  
Norcomp Inc., SP2-001E  
Emerson NPCS, J587  
GND,VDD, BINDING-POST,NONINS,THRU,ROHS  
OUT  
+,OUT -  
HW1,HW2, STANDOF ,4-40 0.5IN 3/16IN DIA ALUM RND F-F  
HW3,HW4  
4
4
Keystone, 2027K  
HW1,HW2, 4-40 SCREW, STEEL 0.250 IN  
HW3,HW4  
Building Fasteners, H34  
4
Related Documentation From Texas Instruments  
5
SLOU244December 2009  
TPA2011D1 Audio Power Amplifier Evaluation Module  
Copyright © 2009, Texas Instruments Incorporated  
 
   
EVALUATION BOARD/KIT IMPORTANT NOTICE  
Texas Instruments (TI) provides the enclosed product(s) under the following conditions:  
This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES  
ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have  
electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be complete  
in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety and environmental  
measures typically found in end products that incorporate such semiconductor components or circuit boards. This evaluation board/kit does  
not fall within the scope of the European Union directives regarding electromagnetic compatibility, restricted substances (RoHS), recycling  
(WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives or other related directives.  
Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/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  
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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  
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Please read the User’s Guide and, specifically, the Warnings and Restrictions notice in the User’s Guide prior to handling the product. This  
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No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or  
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FCC Warning  
This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES  
ONLY and is not considered by TI to be a finished end-product fit for general consumer use. It generates, uses, and can radiate radio  
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EVM WARNINGS AND RESTRICTIONS  
It is important to operate this EVM within the input voltage range of 2.5 V to 5 V and the output voltage range of 0 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 60°C. The EVM is designed to operate  
properly with certain components above 60°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.  
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Copyright © 2008, Texas Instruments Incorporated  
 
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