BTS 723 GW
Inductive and overvoltage output clamp,
OUT1 or OUT2
Input circuit (ESD protection), IN1 or IN2
R
I
+V
bb
IN
V
Z
ESD-ZDI
I
I
V
ON
GND
OUT
The use of ESD zener diodes as voltage clamp at DC
conditions is not recommended.
Power GND
Status output, ST1 or ST2
V
ON
clamped to V = 64 V typ.
ON(CL)
Status Pull Up Voltage
Overvolt. and reverse batt. protection
RPull up
RST(ON)
Status pull up voltage
+ V
ST
bb
RST
R
Status puul up
V
Z2
ESD-
R
I
IN
ZD
GND
Logic
ST
OUT
R
ST
ESD-Zener diode: 6.1 V typ., R
< 250 Ω,
ST(ON)
= 12 kΩ typ.
V
Z1
R
ST
= 850 Ω typ., R
pull up
PROFET
The use of ESD zener diodes as voltage clamp at DC
conditions is not recommended
GND
R
Load
R
GND
Signal GND
Load GND
Short Circuit detection
Fault Signal at ST-Pin: VON > 4.0 V typ, no switch off by
the PROFET itself, external switch off recommended!
V
= 6.1 V typ., V = 63 V typ., R
= 150 Ω,
Z1
Z2
GND
= 12 kΩ typ
R = 850 Ω typ., R = 20 kΩ typ., R
I
ST pull up
In case of reverse battery the load current has to be
limited by the load. Temperature protection is not
active
+ V
bb
V
ON
OUT
Short circuit
detection
Logic
unit
Infineon Technologies AG
10
2003-Oct-01
INFINEON [ Infineon ]
