TB2996HQ

2013-11-21

2

4. Block Diagram

Some of the functional blocks, circuits or constants labels in the block diagram may have been omitted or simplified

for clarity.

In the following explanation, a "channel" is a circuit which consists of INx, OUTx (+), OUTx (-), and PW-GNDx. (x:1

to 4)

22

10

6

20

Ripple

1

4

25 Offset/Short

DET

LPF

STBY

OUT1 (+)

11

C1: 0.22 µF

8

PW-GND1

OUT1 (−)

IN1

OUT2 (+)

12

2

PW-GND2

OUT2 (−)

IN2

OUT3 (+)

15

18

PW-GND3

OUT3 (−)

IN3

OUT4 (+)

14

24

PW-GND4

OUT4 (−)

IN4

13

16

C6: 1 µF

Pre-GND

AC-GND

C1: 0.22 µF

C1: 0.22 µF

C1: 0.22 µF

AC-GND

AC-GND

AC-GND

AC-GND

9

7

17

19

21

23

5

3

TAB

5 V

Play

MUTE

R1: 47 kΩ