Description
A8518 and A8518-1 Wide Input Voltage Range, High-Efficiency, Fault-Tolerant LED Driver .
The A8518 is a multi-output LED driver for small-size LCD backlighting.
Features
* Automotive AEC-100 qualified
* Fully integrated 42 V MOSFET for boost converter
* Fully integrated LED current sinks
* Withstands surge input to 40 VIN for load dump
* Operates down to 3.9 VIN (max) for idle stop
* Drives two strings of LEDs
Applications
* Automotive infotainment backlighting
* Automotive cluster
* Automotive center stack
VIN CIN
VC RPU
* optional
L1
D1
RSC
Q1 RADJ
ROVP
GATE VSENSE
VIN VDD
SW
VOUT
OVP
CVDD
A8518
LED1
FAULT PWM APWM
ISET
RISET
LED2
COMP AGND PGND
CP
GND
VOUT > VIN
COUT1