Datasheet

BTS5045-2EKA
Application Information
Data Sheet 50 Rev. 2.1, 2011-09-01
PROFET™+ 12V
10 Application Information
Note: The following information is given as a hint for the implementation of the device only and shall not be
regarded as a description or warranty of a certain functionality, condition or quality of the device.
Figure 53 Application Diagram with BTS5045-2EKA
Note: This is a very simplified example of an application circuit. The function must be verified in the real application.
Table 11 Bill of Material
Reference Value Purpose
R
IN
4.7 kΩ Protection of the micro controller during overvoltage, reverse polarity
Guarantee BTS5045-2EKA channels OFF during loss of ground
R
DEN
4.7 kΩ Protection of the micro controller during overvoltage, reverse polarity
Guarantee BTS5045-2EKA channels OFF during loss of ground
R
PD
47 kΩ Polarization of the output
Improve BTS5045-2EKA immunity to electromagnetic noise
R
DSEL
4.7 kΩ Protection of the micro controller during overvoltage, reverse polarity
Guarantee BTS5045-2EKA channels OFF during loss of ground
R
IS
1.2 kΩ Sense resistor
OUT
OUT
OUT
OUT
A/D
Vss
Vdd
Micro controller
IN0
IN1
DEN
DSEL
IS
GND
OUT0
OUT1
V
s
V
BAT
C
SENSE
Application example.svg
Z1
R/L cable
R/L cable
R/L cable
C
OUT1
C
OUT0
R
IN
R
IN
R
DEN
R
DSEL
R
A/D
R
SENSE
R
IS
R
GND
V
DD
R
PD
R
PD
C
VS
R
OL
T
1
D
Z2