Circuit Descriptions, Abbreviation List, and IC Data Sheets
9.9.6
Diagram B05B, Type TDA8932T (IC7A01), Audio Amplifier
Block Diagram
IN1P
IN1N
INREF
IN2P
IN2N
DIAG
CGND
POWERUP
ENGAGE
TEST
Pin Configuration
O
S
C
R
E
F
O
S
I C
O
1
0
3
1
OSCILLATOR
2
PWM
V
SSD
MODULATOR
3
12
15
PWM
MODULATOR
14
PROTECTIONS:
OVP, OCP, OTP,
UVP, TF, WP
4
7
6
MODE
5
TDA8932
13
9
1, 16, 17, 32
V
V
SSA
SSD(HW)
V
1
SSD(HW)
N I
1
P
2
N I
1
N
3
D
A I
G
4
E
N
G
A
G
E
5
P
O
W
E
R
U
P
6
C
G
N
D
7
V
8
DDA
V
9
SSA
OSCREF
10
H
V
P
R
E
F
11
N I
R
E
F
12
T
E
S
T
13
N I
2
N
14
N I
2
P
15
16
V
SSD(HW)
Figure 9-16 Internal block diagram and pin configuration
V
DDA
8
DRIVER
HIGH
CTRL
DRIVER
LOW
MANAGER
DRIVER
HIGH
CTRL
DRIVER
LOW
V
DDA
STABILIZER 11 V
V
SSP1
V
DDA
STABILIZER 11 V
V
SSP2
REGULATOR 5 V
V
SSD
V
DDA
V
SSA
HALF SUPPLY VOLTAGE
32
V
SSD(HW)
31
O
S
I C
O
30
H
V
P
1
29
V
DDP1
28
B
O
O
T
1
27
O
U
T
1
26
V
SSP1
25
STAB1
TDA8932T
24
STAB2
V
23
SSP2
22
O
U
T
2
21
B
O
O
T
2
20
V
DDP2
19
H
V
P
2
18
D
R
E
F
17
V
SSD(HW)
LC8.2A LA
9.
28
BOOT1
29
V
DDP1
27
OUT1
26
V
SSP1
21
BOOT2
20
V
DDP2
22
OUT2
23
V
SSP2
25
STAB1
24
STAB2
18
DREF
11
HVPREF
30
HVP1
19
HVP2
G_16860_045.eps
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