BTS 723 GW
V
disconnect with energized inductive
bb
load
Open-load detection, OUT1 or OUT2
OFF-state diagnostic condition:
Open load, if V
> 2.7 V typ. (IN low)
OUT
I
L(OL) typ. 2µA
V
high
bb
IN
An external resitor can be used to increase the open
load detection current
OUT
PROFET
V
ST
bb
GND
V
ON
V
OFF
bb
OUT
For inductive load currents up to the limits defined by ZL
(max. ratings and diagram on page 12) each switch is
I
L(OL)
Open load
detection
Logic
unit
protected against loss of V
.
bb
Consider at your PCB layout that in the case of Vbb dis-
connection with energized inductive load all the load current
flows through the GND connection.
Signal GND
GND disconnect
V
bb
IN
OUT
PROFET
ST
GND
V
V
V
V
bb
IN
ST
GND
Any kind of load.
Due to V > 0, no V = low signal available.
GND
ST
GND disconnect with GND pull up
V
bb
IN
OUT
PROFET
ST
GND
V
V
V
V
IN ST
GND
bb
Any kind of load. If V
> V - V device stays off
IN IN(T+)
GND
Due to V
> 0, no V = low signal available.
ST
GND
Infineon Technologies AG
11
2003-Oct-01
INFINEON [ Infineon ]
