BTS 712 N1
Block diagram
Four Channels; Open Load detection in off state;
+ V
bb
Le a d fra m e
18
Curre nt
lim it 1
G a te 1
p ro te c tio n
Vo lta g e
so urc e
Ove rvo lta g e
p ro te c tio n
V Logic
Channel 1
OUT1
Lim it fo r
Le ve l shifte r
Re c tifie r 1
Vo lta g e
se nso r
unc la m p e d
ind . lo a d s 1
Te m p e ra ture
se nso r 1
3
5
4
IN1
IN2
O p e n lo a d
Sho rt to Vb b
d e te c tio n 1
Cha rg e
p um p 1
Lo g ic
ESD
ST1/2
Cha rg e
p um p 2
G a te 2
p ro te c tio n
Curre nt
lim it 2
Channel 2
17
OUT2
Le ve l shifte r
Re c tifie r 2
Lim it fo r
unc la m p e d
ind . lo a d s 2
Load
2
GND1/2
Te m p e ra ture
se nso r 2
O p e n lo a d
Sho rt to Vb b
d e te c tio n 2
Signal GND
Chip 1
Chip 1
Load GND
+ V
bb
Le a d fra m e
Channel 3
14
OUT3
Logic and protection circuit of chip 2
(equivalent to chip 1)
7
9
8
IN3
IN4
ST3/4
Channel 4
13
OUT4
Load
6
GND3/4
PROFET
Chip 2
Le a d fra m e c o nne c te d to p in 1, 10, 11, 12, 15, 16, 19, 20
Signal GND
Chip 2
Load GND
T = 25°C unless otherwise specified
j
Maximum Ratings at
Parameter
Symbol
Values
Unit
Supply voltage (overvoltage protection see page 4)
Supply voltage for full short circuit protection
T
j,start =-40 ...+150°C
Vbb
Vbb
43
34
V
V
Semiconductor Group
2
INFINEON [ Infineon ]
