A8522 Multi-Channel LED Driver

Allegro

Description

A8522 Wide Input Voltage, Fault Tolerant, Independently Controlled Multi-Channel LED Driver with I2C Interface .
The A8522 is a programmable multi-output LED driver for LCD backlighting.

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Datasheet Specifications

Part number: A8522
Manufacturer: Allegro
File Size: 6.02 MB
Datasheet: A8522-Allegro.pdf
Description: Multi-Channel LED Driver

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

Applications

* The I2C interface allows the user to set the LED currents individually, up to 60 mA per LED channel. Adjacent channels may be combined to drive higher-current LED strings. The PWM dimming duty cycle also is independently controlled for each LED channel. This flexibility makes the A8522 a single sol

A8522 Distributors

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A8522 Multi-Channel LED Driver Allegro

Allegro A8522-like datasheet