TB2912HQ Toshiba, TB2912HQ Datasheet - Page 2

• Manufacturer Part Number: TB2912HQ
• Manufacturer: Toshiba

Specifications of TB2912HQ

• No. Of Channels: 4
• Package: HZIP 25-P-1.00F
• Recommended Vcc (v): 13.2
• Rl=2 Ohm: 70W x 4
• Rl=4 Ohm: 43W x 4
• Rl=8 Ohm: -
• Features/built-in Functions: 4 BTL channels, standby switch, mute, BiCD process, I2C self-diagnosis, tweeter diagnostics, low standby current
• Operating Voltage (v): 9 to 18

Block Diagram
simplified for clarity.
Some of the functional blocks, circuits, or constants labels in the block diagram may have been omitted or
R1
C1
C1
C1
C1
12
16
15
13 Pre-GND
14
11
4 Clip Detection
IN1
IN2
Standby
IN3
IN4
Ripple
＆ Mute
10
SW
TAB
1
Diagnosis
2
V
CC2
6
Bus
I
2
C
V
20
CC1
17
18
19
21
24
23
22
25
9
8
7
5
2
3
Out1 (+)
PW-GND1
Out1 (−)
Out2 (+)
PW-GND2
Out2 (−)
Out3 (+)
PW-GND3
Out3 (−)
Out4 (+)
PW-GND4
Out4 (−)
SCL
SDA
TB2912HQ
2006-04-28
RF
RR
LF
LR
+B