Texas Instruments TPA3129D2EVM, User Manual, Page: 9 / 14

1µF
C19
4
3
1
J9
LIN
1µF
C22
GND
IN = PBTL
OUT = BTL
JP4
GNDL+
JP6
GNDL-
GND
4
3
1
J6
RIN
1µF
C7
1µF
C12
GND
JP1
GNDR+
JP3
GNDR-
GND
RINP
RINN
LINP
LINN
LINP
LINN
RINN
RINP
IN = R Channel OFF
OUT = R Channel ON
AM
AVOIDANCE
1
2
3
J12
PVCC
100k
R19
PVCC
100k
R20
PVCC
100k
R21
1
2
3
J13
1
2
3
J14
GND
AM0
AM1
AM2
AM0
AM1
AM2
1
2
3
J11
MODSEL
MODSEL
MODSEL
PVCC
100k
R9
GND
S1
SHUTDOWN
GND
PVCC
499k
R10
JP8
TP3
SDz
TP5
PLIMIT
TP8
FAULTz
TP7
SYNC
GND
4.70k
R8
47pF
C27
GND
GND
20.0k
R7
1µF
C24
GND
Red
J2
PVCC
Black
J5
GND
PVCC
1µF
C8 GND
Red
J4
AVCC
GND
10µF
C6
1 2 3
J3
AVCC-SEL
GND
AVCC
AVCC-IN 220µF
35V
C3
0.1µF
50V
C4
1000pF
50V
C5
GND GND GND
220µF
35V
C9
0.1µF
50V
C10
1000pF
50V
C11
GND GND GND
PVCC
PVCC
10µH 4.4A
L1
0.68µF
50V
C1
0.01µF
50V
C2
3.3
R1
GND
Red
J1
ROUT+
GND
TP1
R+
0.68µF
50V
C13
0.01µF
50V
C14
3.3
R2
GND
GND
TP2
R-
0.68µF
50V
C20
0.01µF
50V
C21
3.3
R3
GND
Red
J8
LOUT+
GND
TP4
L+
0.68µF
50V
C25
0.01µF
50V
C26
3.3
R12
GND
GND
TP6
L-
Black
J7
ROUT-
Black
J10
LOUT-
0.22µF 25V
C15
0.22µF 25V
C16
0.22µF 25V
C17
0.22µF 25V
C18
OUTPR
OUTNR
OUTNL
OUTPL
OUTR+
OUTR-
OUTL+
OUTL-
330pF
50V
C28
10
R14
GND
330pF
50V
C29
10
R15
GND
330pF
50V
C30
10
R16
GND
330pF
50V
C31
10
R17
GND
100k
R4
PLIMIT
MUTE
SD
GVDD
100k
R5
1µF
C23
GND
JP7
PLIMIT
20.0k
R6
GND
FAULT
SD SD FAULT
PVCC
100k
R11
S2
MUTE
GND
Q1
100k
R18
GND
MU
T
E
MUTE-SW
PVCC
100k
R13
10µH 4.4A
L2
10µH 4.4A
L3
10µH 4.4A
L4
MODSEL
1
SDZ
2
FAULTZ
3
RINP
4
RINN
5
PLIMIT
6
GVDD
7
GAIN/SLV
8
GND
9
LINP
10
LINN
11
MUTE
12
AM2
13
AM1
14
AM0
15
SYNC
16
AVCC
17
PVCC
18
PVCC
19
BSNL
20
OUTNL
21
GND
22
OUTPL
23
BSPL
24
GND
25
BSNR
26
OUTNR
27
GND
28
OUTPR
29
BSPR
30
PVCC
31
PVCC
32
PAD
33
U1
TPA3129D2DAPR
JP2
RGND
JP5
LGND
TP9
GND
GND
TP10
GND
GND
TP11
GND
GND
TP12
GND
GND
Copyright © 2017, Texas Instruments Incorporated
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Board Layouts, Bill of Materials, and Schematic
9 SLOU470 – September 2017
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Copyright © 2017, Texas Instruments Incorporated
TPA3129D2 Evaluation Module
3.3 TPA3129D2EVM Schematic
Figure 4 illustrates the schematics for the TPA3129D2EVM.
Figure 4. TPA3129D2EVM Schematic