Block diagram
Two Channels; Open Load detection in on state;
BTS 733 L1
Voltage
source
Overvoltage Current Gate
protection limit protection
+ Vbb Lead-
frame
VLogic
Voltage
Charge pump
OUT117,18
3 IN1
sensor
4 ST1 ESD
Logic
Level shifter
Rectifier
Temperature
sensor
Open load
detection
Load
1 GND1
Signal
GND
Chip 1
Chip 1
RO1
GND1
Load GND
+ Vbb Lead
frame
OUT2 13,14
Logic and protection circuit of chip 2
7 IN2
(equivalent to chip 1)
Load
8 ST2
RO2
6 GND2
Signal
Chip 2
PROFET®
GND2
GND
Chip 2
Leadframe connected to pin 1, 10, 11, 12, 15, 16, 19, 20
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
Semiconductor Group
2
Values Unit
43 V
24 V