Tpa032D03 Class-D Evm Schematic Diagram - Texas Instruments SLOU082 User Manual

TPA032D03 Class-D EVM Schematic
3.9 TPA032D03 Class-D EVM Schematic
The TPA032D03 class-D EVM schematic is shown in Figure 3–4.
Figure 3–4. TPA032D03 Class-D EVM Schematic Diagram
VDD
R3 R5
100k 100k
SD
Mute
S2
Mute
R1
100k
Mode
LIN–
LIN+
C9
C10
C11 †
10 F 1 F
VCC
C22
LOUT+
0.22 F
C23
1 F
C21
LOUT–
0.22 F
TIP
C20 33 F
C18
5.6 pF
R2 100k
LHP
C2 0.1 F
VCC
C13
1 F
† Capacitor C11 is optional (not assembled) and a location for it on the EVM PCB has been provided to increase design flexibility
and allow decoupling capacitance to be added.
3-10
R6
100k
S1
TPA032D03
SD
1
SHUTDOWN
2
MUTE
3
MODE
C3 1 F
4
INN
C4 1 F
5
INP
C6 1000pF
6
COMP
7
AGND
FAULT_0
C7 1 F
8
VDD FAULT_1
9
PVDD
10
OUTP
L1
11
OUTP
15 H
12
PGND
13
PGND
L2
14
OUTN
15 H
15
OUTN
16
PVDD
17
HPREG
HPVCC
R10
18
100k HPLOUT
HPROUT
19
HPLIN
20
AGND
21
PVDD
22
VCP
23
HPDL
24
C15
CP1
0.1 F
0.047 F
C16
Ring
Mode
R8
TIP
1k
R9
48
1k
COSC
C5
47
AGND
1000pF
46
AGND
45
AGND
44
AGND
43
AGND
42
TP3
C8
41
1 F
TP2
PVDD 40
39
NC
38
NC
TP1
37
PGND
36
PGND
35
C12
NC
34
1 F
NC
33
PVDD
32
R7
31
100k
30
HPRIN
29
V2P5
C11
28
PVDD
1 F
27
PGND
26
HPDR
25
CP2
J1
3
B
A
2
1
5 V
VDD
12 V
VCC
VCC
VDD
R13
500k
R14
150k
C19 33 F
RING
C18
5.6 pF
RHP
R4
C1
100k
0.1 F
Details