BTS 5045-2EKA Infineon Technologies, BTS 5045-2EKA Datasheet - Page 31

• Manufacturer Part Number: BTS 5045-2EKA
• Manufacturer: Infineon Technologies

Specifications of BTS 5045-2EKA

• Packages: PG-DSO-14
• Channels: 2.0
• Ron @ Tj = 25°c: 45.0 mOhm
• Recommended Operating Voltage Min.: 5.0 V
• Recommended Operating Voltage Max.: 28.0 V
• Il(sc): 25.0 A

7.3.3
7.3.3.1
If the channel is ON, a leakage current can still flow through an open load, for example due to humidity. The
parameter
DMOS is below this value, the device recognizes a failure, if the DEN (and DSEL) is selected. In that case, the
SENSE current is below
Figure 24
curve shows the ideal
Figure 24
7.3.3.2
For open load diagnosis in OFF-state, an external output pull-up resistor (
calculation of pull-up resistor value, the leakage currents and the open load threshold voltage
taken into account.
system, including
application.
To reduce the stand-by current of the system, an open load resistor switch S
is OFF, the output is no longer pulled down by the load and
the device as an open load. The voltage threshold is given by
to the
An additional
used as well for short circuit to battery detection, see
Data Sheet
PROFET™+ 12V
I
IS(FAULT)
shows the SENSE current behavior in this area. The red curve shows a typical product curve. The blue
I
L(OL)
SENSE Signal in Open Load
Open Load in ON Diagnostic
Current Sense Ratio for Low Currents
Open Load in OFF Diagnostic
R
.
PD
gives the threshold of recognition for this leakage current. If the current
resistor can be used to pull
I
L(OFF)
Figure 25
k
ILIS
(see
ratio.
I
IS(OL)
I
IS(OL)
Chapter
gives a sketch of the situation.
. Otherwise, the minimum SENSE current is given above parameter
I
IS
5.5) and external leakages, e.g, due to humidity, corrosion, etc.... in the
V
OUT
to 0V. Otherwise, the OUT pin is floating. This resistor can be
Chapter
31
I
L(OL)
V
OUT
V
I
7.3.4.
leakage
OL(OFF)
voltage rises to nearly
defines the leakage current in the complete
. In that case, the SENSE signal is switched
Sense for OL .vsd
OL
is recommended. If the channel x
R
I
OL
L
) is recommended. For the
V
I
S
L
Diagnostic Functions
. This is recognized by
flowing out the power
Rev. 2.1, 2011-09-01
BTS5045-2EKA
V
OL(OFF)
have to be
I
IS(OL)
.