BSP 742 T
Inductive and overvoltage output clamp
Terms
I
+ V
bb
bb
V
Z
V
bb
V
ON
I
I
IN
V
L
ON
IN
OUT
PROFET
OUT
GND
V
IN
GND
I
V
bb
V
GND
OUT
R
GND
V
clamped to 47V typ.
ON
Input circuit (ESD protection)
Overvoltage protection of logic part
+ V
R
bb
I
IN
V
Z2
ESD-
ZD
I
R
I
I
I
IN
Logic
GND
V
Z1
The use of ESD zener diodes as voltage clamp
at DC conditions is not recommended
GND
R
GND
Signal GND
Reverse battery protection
V
=6.1V typ., V =V =47V typ.,
Z2 bb(AZ)
Z1
V
-
bb
R =3.5 kΩ typ., R =150Ω
I
GND
Logic
R
I
IN
OUT
Power
Inverse
Diode
GND
GND
R
R
L
Power GND
Signal GND
R
=150Ω, R =3.5kΩ typ.,
I
GND
Temperature protection is not active during
inverse current
2004-01-27
Page 7
INFINEON [ Infineon ]
