Texas Instruments SLOU082 manual TPA032D03 Class-D EVM Schematic

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

R6

Ring

J1

3

100k

100k

100k

Mode

B

SD

R8

A

Mute

S1

TIP

TPA032D03

1k

2

S2

SD

R9

1

COSC 48

1

Mute

SHUTDOWN

1k

R1

C5

2

MUTE

AGND 47

100k

Mode

3

MODE

AGND 46

1000pF

C3

1∝F

LIN±

4

INN

AGND

45

LIN+

C4

1∝F

5

INP

AGND

44

VDD

5 V

C6

1000pF

6

COMP

AGND 43

VCC

12 V

C10

C9

7

AGND

FAULT_0

42

TP3

C8

C11²

C7

1∝F

∝

∝

8

VDD

FAULT_1

41

TP2

1∝F

10 F

1 F

9

PVDD 40

VCC

PVDD

VCC

C22

L1

10

OUTP

NC

39

VDD

LOUT+

11

OUTP

NC

38

∝

TP1

R13

C23

0.22∝F

15 H

12

PGND

PGND 37

500k

1∝F

C21

13

PGND

PGND 36

L2

R14

LOUT±

14

OUTN

NC

35

C12

∝

15∝H

0.22 F

15

OUTN

NC

34

∝

150k

C19 33∝F

TIP

16

PVDD

PVDD

33

1 F

RING

C20 33∝F

C18

R10

17

HPREG

HPVCC

32

R7

C18

R2 100k

5.6 pF

100k

18

HPLOUT

HPROUT

31

100k

5.6 pF

LHP

19

HPLIN

HPRIN

30

RHP

C2 0.1∝F

20

AGND

V2P5

29

C11

R4

C1

VCC

21

PVDD

PVDD 28

100k 0.1∝F

22

VCP

PGND

27

1∝F

23

HPDL

HPDR

26

C13

C15

24

CP1

CP2

25

1∝F

0.1∝F

C16

0.047∝F

²Capacitor 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 Details