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| MC35XS3400 Datasheet, PDF (34/45 Pages) Freescale Semiconductor, Inc – Quad High Side Switch (Quad 35mΩ) | |||
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TYPICAL APPLICATIONS
TYPICAL APPLICATIONS
The following figure shows a typical automotive lighting
application (only one vehicle corner) using an external PWM
clock from the main MCU. A redundancy circuitry has been
implemented to substitute light control (from MCU to
watchdog) in case of a Fail-safe condition.
It is recommended to locate a 22nF decoupling capacitor
to the module connector.
VPWR
VDD
100nF 10µF
Voltage regulator
100nF 10µF
VDD
VDD
I/O
VDD
10k
VPWR
ignition
switch
10k 100nF
MCU
SCLK
CS
I/O
10k
10k
10k
SO
10k
SI
VDD
VPWR
VDD
VPWR
1nF
22nF
WAKE
FS
IN0
IN1
IN2
IN3
SCLK
CS
RST
SI
SO
35XS3400
HS0
HS1
HS2
22nF
LOAD 0
22nF
LOAD 1
22nF
LOAD 2
A/D
10k
22nF
VPWR
4.7k
10k
CSNS
FSI
GND
HS3
10k
10k
10k
22nF
LOAD 3
Watchdog
direct light commands (pedal, comodo,...)
35XS3400
34
Analog Integrated Circuit Device Data
Freescale Semiconductor
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