Datasheet

Data Sheet 51 Rev. 2.1, 2011-09-01
PROFET™+ 12V
BTS5045-2EKA
Application Information
10.1 Further Application Information
• Please contact us to get the pin FMEA
• Existing App. Notes
• For further information you may visit http://www.infineon.com/profet
R
SENSE
4.7 kΩ Overvoltage, reverse polarity, loss of ground. Value to be tuned with micro
controller specification.
R
OL
1.5 kΩ Ensure polarization of the BTS5045-2EKA output during open load in OFF
diagnostic
R
A/D
4.7 kΩ Protection of the micro controller during overvoltage, reverse polarity
D BAS21 Protection of the BTS5045-2EKA during reverse polarity
R
GND
1 kΩ To keep the device GND at a stable potential during clamping
Z1 7 V Zener diode Protection of the micro controller during overvoltage
Z2 36 V Zener
diode
Protection of the device during overvoltage
T1 BC 807 Switch the battery voltage for open load in OFF diagnostic
C
SENSE
100 pF Sense signal filtering
C
VS
100 nF Filtering of the voltage spikes on the battery line
C
OUT0
4.7 nF Protection of the BTS5045-2EKA during ESD and BCI
C
OUT1
4.7 nF Protection of the BTS5045-2EKA during ESD and BCI
Table 11 Bill of Material (cont’d)
Reference Value Purpose