User's Guide
SLOU244–December 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-Ω 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
SLOU244–December 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
SLOU244–December 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
SLOU244–December 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
•
TPA2011D1 Datasheet: 3.2W Mono Filter-Free Class-D Audio Power Amplifier with Auto-Recovering
5
SLOU244–December 2009
TPA2011D1 Audio Power Amplifier Evaluation Module
Copyright © 2009, Texas Instruments Incorporated
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This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES
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This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES
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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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