BTS 432 E2
Inductive and overvoltage output clamp
GND disconnect
+ V
bb
V
Z
3
V
V
bb
ON
IN
2
OUT
PROFET
5
OUT
ST
4
GND
GND
1
V
V
V
V
bb
IN
ST
GND
V
ON
clamped to 58 V typ.
Overvolt. and reverse batt. protection
Any kind of load. In case of Input=high is VOUT ≈ VIN - VIN(T+)
.
Due to VGND >0, no VST = low signal available.
+ V
bb
GND disconnect with GND pull up
Rbb
V
Z
RIN
3
IN
V
bb
IN
Logic
2
V
OUT
OUT
ST
PROFET
RST
5
GND
ST
PROFET
4
GND
1
RGND
Signal GND
V
V
V
V
IN ST
GND
R
R
= 120 Ω typ., V +Rbb*40 mA = 67 V typ., add
Z
, R , R for extended protection
bb
bb
GND IN ST
Any kind of load. If VGND > VIN - VIN(T+) device stays off
Due to VGND >0, no VST = low signal available.
Open-load detection
ON-state diagnostic condition: VON < RON * IL(OL); IN
high
V
load
disconnect with charged inductive
bb
+ V
bb
3
V
high
bb
IN
2
OUT
PROFET
VON
5
ON
ST
4
GND
1
OUT
Open load
detection
Logic
unit
V
bb
3
V
high
bb
IN
2
OUT
PROFET
5
ST
4
GND
1
V
bb
Semiconductor Group
7