TDA7473 Datasheet, PDF (2/5 Pages) STMicroelectronics – QUAD BTL DRIVER WITH VOLTAGE REGULATOR

TDA7473
PIN CONNECTION (Top view)
5V
VSUP
OUT1-
VS1
OUT1+
OC
GND
GND
ADJ
OUT2+
VS2
OUT2-
ST_BY
REG
1
28
2
27
3
26
4
25
5
24
6
23
7
22
8
21
9
20
10
19
11
18
12
17
13
16
14
15
D95AU310A
DRIV
IN1
OUT4-
VS4
OUT4+
IN4
GND
GND
IN3
OUT3+
VS3
OUT3-
IN2
COMM
PIN FUNCTIONS
N. Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Name
5V
VSUP
OUT1-
VS1
OUT1+
OC
GND
GND
ADJ
OUT2+
VS2
OUT2_
ST_BY
REG
COMM
IN2
OUT3-
VS3
OUT3+
IN3
GND
GND
IN4
OUT4+
VS4
OUT4-
IN1
DRIV
2/5
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
Ground
Ground
Positive input for the 4.th channel
4.th channel positive output
4.th channel power supply
4.th channel negative output
Positive input for the 1.st channel
Pass transistor driver
Description