TDA7473A Datasheet, PDF (2/5 Pages) STMicroelectronics – QUAD BTL DRIVER WITH VOLTAGE REGULATOR

TDA7473
PIN CONNECTION (Top view)
5V
1
28
DRIV
VSUP
2
27
IN1
OUT1-
3
26
OUT4-
VS1
4
25
VS4
OUT1+
5
24
OUT4+
OC
6
23
IN4
GND
7
22
GND
GND
8
21
GND
ADJ
9
20
IN3
OUT2+
t(s) ^VS2
OUT2-
c _{ST_BY}
rodu ^{) REG}
10
19
11
18
12
17
13
16
14
15
D95AU310A
OUT3+
VS3
OUT3-
IN2
COMM
lete ^P duct(s PIN FUNCTIONS
so ^ro N. Pin
b ^P ₁
- ^{O te 2}
) ^{le 3}
t(s ^{o 4}
s ₅
c ^b ₆
u _{O 7}
rod ^{- 8}
P _t(s) ⁹
10
te ^c 11
le ^{u 12}
so ^{rod 13}
14
b P ₁₅
O _{te 16}
le 17
o ₁₈
s₁₉
Ob²⁰
Name
5V
VSUP
OUT1-
VS1
OUT1+
OC
GND
GND
ADJ
OUT2+
VS2
OUT2_
ST_BY
REG
COMM
IN2
OUT3-
VS3
OUT3+
IN3
5V regulated input
Positive power supply (battery)
1.st channel negative output
1.st channel power supply
1.st channel positive output
Overcurrent sense input
Ground
Ground
Regulated voltage adjust input
2.nd channel positive output
2.nd channel power supply
2.nd channel negative output
Stand_by
Regulated voltage output
Common negative input
Positive input for the 2.nd channel
3.rd channel negative output
3.rd channel power supply
3.rd channel positive output
Positive input for the 3.rd channel
Description
21
GND
Ground
22
GND
Ground
23
IN4
Positive input for the 4.th channel
24
OUT4+
4.th channel positive output
25
VS4
4.th channel power supply
26
OUT4-
4.th channel negative output
27
IN1
Positive input for the 1.st channel
28
DRIV
Pass transistor driver
2/5