
TB2902HQ
2004-08-18
2
Block Diagram
Some of the functional blocks, circuits, or constants labels in the block diagram may have been omitted or
simplified for clarity.
11
Ripple
IN1
9
Out1 (
+)
10
TAB
1
VCC2
6
VCC1
20
C5
C3
C2
8
7
C1
R
L
=4
PW-GND1
Out1 (
)
+B
12
IN2
5
Out2 (
+)
2
3
C1
R
L
=4
PW-GND2
Out2 (
)
15
IN3
17
Out3 (
+)
18
19
C1
R
L
=4
PW-GND3
Out3 (
)
14
IN4
21
Out4 (
+)
24
23
C1
R
L
=4
PW-GND4
Out4 (
)
C4
16
For Mute
Time constant
13 Pre-GND
4
Clip Detection
22
25
SCL
SDA
SW
I
2C
Bus
Diagnosis
RF
RR
LF
LR