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A8517 Datasheet Multi-Channel LED Driver

Manufacturer: Allegro MicroSystems

General Description

The A8517 is a programmable multi-output LED driver, which can be used for a variety of LED driver applications.

It integrates a current-mode boost converter with internal power switch and 10 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.

Overview

A8517 Wide Input Voltage, Fault Tolerant, Independently Controlled Multi-Channel LED Driver with I2C.

Key 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.
  • 10 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.