TB2921HQ Toshiba, TB2921HQ Datasheet - Page 2

• Manufacturer Part Number: TB2921HQ
• Manufacturer: Toshiba

Specifications of TB2921HQ

• No. Of Channels: 4
• Package: HZIP 25-P-1.00F
• Recommended Vcc (v): 13.2
• Rl=2 Ohm: 80W x 4
• Rl=4 Ohm: 50W x 4
• Rl=8 Ohm: -
• Features/built-in Functions: 4 BTL channels, standby switch, mute, low-RON BiCD process, high-side switch
• Operating Voltage (v): 9 to 18

Block Diagram
Note5: Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for
Mute
Mute
Play
Play
5V
5V
explanatory purpose.
R1
R1
C2
C2
C4
C4
C1
C1
C1
C1
C1
C1
C1
C1
C6
C6
22
22
11
11
11
13
13
16
16
12
12
12
15
15
14
14
4
4
IN1
IN1
Ripple
Ripple
IN2
IN2
Pre - GND
Pre - GND
IN3
IN3
AC
AC
GND
GND
IN4
IN4
Stby
Stby
Mute
Mute
10
10
TAB
TAB
1
1
.
.
High Side SW
H-SW/Off-set
2
Vcc2 Vcc1
Vcc2 Vcc1
6
6
20
20
19
19
17
17
18
18
23
23
25
25
21
21
24
24
7
7
7
9
9
9
8
8
8
3
3
3
5
5
5
2
2
2
Out1(+)
Out1(+)
Out1(+)
PW-GND1
PW-GND1
PW-GND1
Out1(-)
Out1(-)
Out1(-)
Out2(+)
Out2(+)
Out2(+)
PW-GND2
PW-GND2
PW-GND2
Out2(-)
Out2(-)
Out2(-)
Out3(+)
Out3(+)
PW-GND3
PW-GND3
Out3(-)
Out3(-)
Out4(+)
Out4(+)
PW-GND4
PW-GND4
Out4(-)
Out4(-)
C5
C5
C3
C3
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
TB2921HQ
2006-05-25
+B
+B