Texas Instruments SLOU082 - Manual (Page 24)

TPA032D03 Class-D EVM Schematic
3-10 Details
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
TPA032D03
S1
SD
R6
100k
SD
R5
100k
S2
Mute
Mute
VDD
C3
OUTP
11
PGND
12
PGND
13
OUTN
14
OUTN
15
PVDD
16
HPREG
17
HPLOUT
18
OUTP
10
PVDD
9
VDD
8
AGND
7
COMP
6
INP
5
INN
4
HPLIN
19
AGND
20
PVDD
21
VCP
22
HPDL
23
CP1
24
MODE
3
2
SHUTDOWN
1
MUTE
NC
38
PGND
37
PGND
36
NC
35
NC
34
PVDD
33
HPVCC
32
HPROUT
31
NC
39
PVDD
40
FAULT_1
41
FAULT_0
42
AGND
43
AGND
44
AGND
45
HPRIN
30
V2P5
29
PVDD
28
PGND
27
HPDR
26
CP2
25
AGND
46
47
COSC
48
AGND
C16
C7
C4
C6
LIN–
LIN+
L2
L1
C21
C22
C23
C11†
C10 C9
LOUT+
LOUT–
VCC
C8
VCC
C5
TP3
TP2
C11
10
µ
F 1
µ
F
1
µ
F
1
µ
F
1 µ F
1000pF
5 V VDD
12 V VCC
15
µ
H
15
µ
H
1
µ
F
0.22
µ
F
0.22
µ
F
1
µ
F
1
µ
F
1000pF
C15
0.1 µ F
C13
1
µ F
VCC
C12
1
µ
F
0.047
µ
F
TIP
1
2
A
B
3
J1
Mode
Ring
R8
1k
1k
R9
Mode
R3
100k
R1
100k
TIP
C20 33 µ
F
C18
5.6 pF
LHP
R10
100k
C2 0.1
µ
F
R2 100k
R13
500k
R14
150k
VDD
RING
C19 33
µ
F
C1
0.1
µ
F
R4
100k
RHP
R7
100k C18
5.6 pF
TP1
† 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.