A8502 High Efficiency Fault Tolerant LED Driver

Allegro

Description

A8502 Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver .
The A8502 is a multi-output white LED driver for small-size LCD backlighting.

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Datasheet Specifications

Part number: A8502
Manufacturer: Allegro
File Size: 5.89 MB
Datasheet: A8502-Allegro.pdf
Description: High Efficiency Fault Tolerant LED Driver

Features

* AEC-Q100 qualified
* Wide input voltage range of 5 to 40 V for start/stop, cold crank and load dump requirements
* Fully integrated LED current sinks and boost converter with 60 V DMOS
* Sync function to synchronize boost converter switching frequency up to 2.3 MHz,

Applications

* LCD backlighting or LED lighting for: ▫ Automotive infotainment ▫ Automotive cluster ▫ Automotive center stack Typical Application Circuit VIN 10 to 14 V RSC 0.033 Ω L1 D1 Q1 10 µH 2 A / 60 V CIN 4.7 µF 50 V RADJ 249 Ω RC 20 Ω CC 22 nF VC 100 kΩ CVDD 0.1 µF GATE SW VSENSE VIN A85

A8502 Distributors

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A8502 High Efficiency Fault Tolerant LED Driver Allegro

Allegro A8502-like datasheet