BTS54040-LBF_15 Datasheet, PDF (63/67 Pages) Infineon Technologies AG – SPI Power Controller

BTS54040-LBF
Application Description
10
Application Description
The following figure describes a typical operating circuit. It shall not be considered as a warranty of a certain
functionality, condition or quality of the device. The Table 15 shows suggested component values and purposes.
V bat
5V
RV DD
WD-OUT
CVDD
VCC
RIN
GPIO
RIN
R1
CVS2
Z2
Z1
AD
CADC
µC
e.g. XC2267
RCS
SPI
RS CLK
RSO
RSI
VSS
CV S 1
VDD
VS
IN1
IN2
IS
CS
SCLK
SO
SI
GND
VDD
SPI
OUT1
OUT2
OUT3
OUT4
LHI
external driver EDO
control
EDD
GND
27W
27W
27W
27W
COUT
RLHI
WD-OUT
CVS1
RE DO
RE DD
VS
IN _{PROFET OUT}
DEN
IS
GND
COUT
DGND
CGND
Figure 35 Application Circuit Example
Application_040ED.emf
Data Sheet
63
Rev. 2.1, 2014-12-05