SP000092062 INFINEON [Infineon Technologies AG], SP000092062 Datasheet - Page 17
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SP000092062
Manufacturer Part Number
SP000092062
Description
Smart High-Side Power Switch PROFET One Channel, 10 m?
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.SP000092062.pdf
(30 pages)
4.2
The device provides embedded protective functions. Integrated protection functions are
designed to prevent IC destruction under fault conditions described in the data sheet.
Fault conditions are considered as “outside” normal operating range. Protection
functions are neither designed for continuous nor repetitive operation.
4.2.1
The load current
ground. There are multiple steps of current limitation
automatically depending on the voltage drop
that the voltage at the OUT pin is
typical device.
Figure 11
Depending on the severity of the short condition as well as on the battery voltage the
resulting voltage drop across the device varies.
Whenever the resulting voltage drop V
V
The V
time t
In the event that either the short circuit detection via V
on chip temperature sensor senses over-temperature before the blanking time t
passed by, the device switches off resulting from over-temperature detection. After
cooling down with thermal hysteresis, the devices switches on again. Please refer to
Figure 12
Data Sheet
ON(SC)
d(SC1)
ON(SC)
, the device will switch off immediately and latch until being reset via the input.
for details.
Protection Functions
Over-Load Protection
passed by after switch on.
detection functionality is activated, when V
Typical Current Limitation
I
L
is limited by the device itself in case of over-load or short circuit to
,
/6&
9
V
bb
ON
-
V
exceeds the short circuit detection threshold
17
ON
V
.
ON
Figure 11
across the power DMOS. Please note
Smart High-Side Power Switch
ON(SC)
bIN
shows the dependency for a
I
>10V typ. and the blanking
9
Lx(SC)
is not activated or that the
Protection Functions
which are selected
V1.0, 2005-12-15
BTS 6123B
d(SC1)