A8522 Datasheet - Allegro

A8522 Multi-Channel LED Driver

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. The con.

A8522 Features

* 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

A8522-Allegro.pdf