BTS 5242-2L Infineon Technologies, BTS 5242-2L Datasheet - Page 20

• Manufacturer Part Number: BTS 5242-2L
• Manufacturer: Infineon Technologies

Specifications of BTS 5242-2L

• Packages: PG-DSO-12
• Channels: 2.0
• Ron @ Tj = 25°c: 25.0 mOhm
• Recommended Operating Voltage Min.: 4.5 V
• Recommended Operating Voltage Max.: 28.0 V
• Il(sc): 40.0 A

Figure 16
7.2
Details about timings between the diagnosis signal I
state can be found in
Figure 17
For open load diagnosis in off-state an external output pull-up resistor ( R
pull-up resistor, the leakage currents and the open load threshold voltage V
Depending on the application, an additional pull down resistor at the output might be necessary.
I
humidity.
To reduce the stand-by current of the system, an open load resistor switch ( S
current of the BTS5242-2L is minimized, when both input pins (IN1 and IN2) are on low level or left open and
V
current through the sense resistor, which causes an increase in supply current. To reduce the stand-by current to
a minimum, the open load condition needs to be suppressed.
The resistors
polarity and over voltage.
Data Sheet
leakage
OUT
<
defines the leakage current in the complete system including I
V
OUT(OL)
V
bb(min)
Timing of Diagnosis Signal in Over Load Condition
OFF-State Diagnosis
Timing of Diagnosis Signal in OFF-state
R
. In case of open load in off state (
lim
is the minimum supply voltage at which the open load diagnosis in off-state must be ensured.
are recommended to limit the current through the sense pins IS1 and IS2 in case of reverse
V
I
T
OUT
I
IS
L
IN
I
j
IS
Figure
ON
t
Open Load, pull-up resistor active
sIS(LC)
17.
over load (current limitation & thermal toggling)
t
d(fault)
V
IS(fault)
/ R
S
V
IS(fault)
R
OL
/ R
S
=
OFF
V
V
---------------------------------------------------------- -
bb(min)
OUT
IS
and the output voltage V
>
20
I
–
V
leakage
V
OUT(OL)
pull-up resistor
OUT(OL,max)
inactive
normal operation
and
V
t
hIS(OTR)
IN
t
s(fault)
L(OL)
Smart High-Side Power Switch
= 0 V), the fault voltage V
OL
T
j(SC)
) is recommended. For calculation of
and external leakages e.g. due to
OL
OUT
OUT(OL)
) is recommended. The stand-by
and the load current I
OverTemp .emf
has to be taken into account.
SwitchOff.emf
t
t
t
t
t
t
Rev.1.2, 2008-09-01
BTS5242-2L
IS(fault)
Diagnosis
L
drives a
in OFF-