A8522 - Multi-Channel LED Driver

Product Overview

Allegro

Part number	A8522
Manufacturer	Allegro
File Size	6.02 MB
Description	Multi-Channel LED Driver
Datasheet	A8522 Datasheet
Additional preview pages of the A8522 datasheet.

The A8522 is a programmable multi-output LED driver for LCD backlighting.

It integrates a current-mode boost converter with internal power switch and 8 current sinks.

The IC operates from 4.5 to 36 V, and is able to withstand up to 40 V load-dump conditions encountered in automotive systems.

AEC-Q100 qualified.
Wide input voltage range of 4.5 to 36 V.
Operates down to 3.9 V (VIN falling) for idle stop, and up to 40 V for load dump.
Integrated boost converter with DMOS switch and OVP protection up to 39 V.
8 fully integrated LED current sinks, with individually programmable current up to 60 mA per channel.
I2C™ interface for programming LED current, PWM dimming, and various protection thresholds per channel.
Ability to d.

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Published: Dec 6, 2023 |