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Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 155
BJ2.4U/BJ2.5U PA
9.
9.16.14 Diagram C, TDA8925ST (IC 7701)
Figure 9-42 Internal block diagram and pin configuration
Block Diagram
Pin Configuration
F_15400_139.eps
240505
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
TDA8926J
TEMPERATURE SENSOR
AND
CURRENT PROTECTION
DRIVER
LOW
temp
current
4
7
VSS1
VSS1 VSS2
VDD2
6
1
2
9
8
10
VDD2 VDD1
13
5
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
14
11
12
17
16
3
15
EN1
DIAG
REL1
SW1
SW2
REL2
POWERUP
EN2
BOOT1
OUT1
STAB
OUT2
BOOT2
TDA8925ST/J
TDA8926J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
VSS1
VSS2
VDD2
VDD1
EN1
DIAG
REL1
SW1
SW2
REL2
POWERUP
EN2
BOOT1
OUT1
STAB
OUT2
BOOT2
TDA8925ST/J