Block diagram
Two Channels; Open Load detection in on state;
BTS 725L1
Voltage
source
Overvoltage Current Gate
protection limit protection
+ Vbb Leadframe
VLogic
Voltage
Charge pump
OUT117,18
3 IN1
sensor
4 ST1 ESD
Logic
Level shifter
Rectifier
Open load
detection
Temperature
sensor
Load
1 GND1
Signal GND
Chip 1
Chip 1
RO1
GND1
Load GND
+ Vbb Leadframe
7 IN2
Logic and protection circuit of chip 2
(equivalent to chip 1)
8 ST2
6 GND2
Signal GND
Chip 2
Chip 2
PROFET®
Leadframe connected to pin 1, 10, 11, 12, 15, 16, 19, 20
OUT2 13,14
RO2
GND2
Load
Load GND
Maximum Ratings at Tj = 25˚C unless otherwise specified
Parameter
Symbol
Supply voltage (overvoltage protection see page 4)
Vbb
Supply voltage for full short circuit protection
Vbb
Tj,start = -40 ...+150˚C
Values Unit
43 V
24 V
Data Sheet
2
1999-06-16