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EN 102
9.
LC7.2E LA
9.12.8 Diagram B07, Type TDA8932T (IC7A01), Audio Amplifier
Block Diagram
IN1P
IN1N
INREF
IN2P
IN2N
DIAG
CGND
POWERUP
ENGAGE
TEST
Pin Configuration
Circuit Descriptions, Abbreviation List, and IC Data Sheets
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
14
N I
2
N
15
N I
2
P
16
V
SSD(HW)
Figure 9-21 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)
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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