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Circuit Descriptions, Abbreviation List, and IC Data Sheets
V
OSCREF
DDA
8
2
IN1P
3
IN1N
12
INREF
+
V
SSA
15
IN2P
14
IN2N
7
CGND
4
DIAG
6
POWERUP
5
ENGAGE
CGND
9
V
SSA
OSCIO
10
31
OSCILLATOR
V
SSD
PWM
MODULATOR
PWM
MODULATOR
PROTECTIONS
OVP, OCP, OTP
UVP, TF, WP
MODE
13
TEST
Figure 9-5 TDA8933BTW Block Diagram
TPM1.1U LA
DRIVER
HIGH
CTRL
DRIVER
LOW
V
STABI 11V
V
SSP1
V
DDA
MANAGER
STABI 11V
V
SSP2
DRIVER
HIGH
CTRL
DRIVER
LOW
R
E
V
SSD
V
DDA
V
SSA
HALF SUPPLY VOLTAGE
V
SSD(HW)
9.
V
DDP1
29
28
27
26
DDA
25
24
21
20
22
23
18
G
5
V
11
30
19
1, 16, 17, 32
I_17550_017.eps
EN 59
BOOT1
OUT1
V
SSP1
STAB1
STAB2
BOOT2
V
DDP2
OUT2
V
SSP2
D
R
E
F
HVPREF
HVP1
HVP2
130208
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