bts50080a Infineon Technologies Corporation, bts50080a Datasheet - Page 26

• Manufacturer Part Number: bts50080a
• Description: Smart High-side Power Switch
• Manufacturer: Infineon Technologies Corporation

Figure 23
During fault condition an enabled IS pin provides a defined fault current I
over-temperature and short circuit switch-off. Any protective switch-off during on-state causes a latched OFF of
the output and reporting, until being reset by a falling edge at the pin DEN. See
Figure 24
7.3
During normal operation a disabled IS pin provides no current.
In case of shorted load to battery, open load or inverse operation an enabled IS pin provides a defined fault current
I
Figure 25
Datasheet
IS(fault)
Over Temp
. See
Short /
DEN
DEN
Figure 25
V
Timing of Sense Enable Signal
Fault acknowledge and latch reset
Diagnosis during OFF
V
Fault reporting
IN
I
IN
OUT
I
OL
OUT
I
IS
IS
for details.
latch
t
d(OL)
DEN
reset
I
IS
t
sIS(DEN)
V
reset protective latch
bb
I
I
L
IS (fault)
26
/k
-V
ILIS
DS (OL)
latch
t
dIS(DEN)
I
IS(fault)
IS(fault).
Smart High-Side Power Switch
t
t
Fault conditions are over-current,
Figure 24
reset
Diagnostic Functions
fault acknowledge@ON .emf
for details.
BTS50080-1EGA
V1.0, 2009-04-06
t
t
t
t
t
t
t
t
t
t
sense_enable .emf
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