Datasheet4U Logo Datasheet4U.com

A8519 Datasheet Fault-Tolerant LED Driver

Manufacturer: Allegro MicroSystems

📥 Download Datasheet

General Description

The A8519 is a multi-output LED driver for small-size LCD backlighting.

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

The boost converter can drive up to 44 white LEDs, 11 LED per string, at 100 mA.

Overview

A8519 and A8519-1 Wide Input Voltage Range, High-Efficiency, Fault-Tolerant LED.

Key Features

  • Automotive AEC-Q100 qualified.
  • Fully integrated 42 V MOSFET for boost converter.
  • Fully integrated LED current sinks.
  • Withstands surge input up to 40 VIN for load dump.
  • Operates down to 3.9 VIN (max) for idle stop.
  • Drives four strings of LEDs.
  • Maximum output voltage 40 V.
  • Up to 11 white LEDs in series.
  • Drive current for each string is 100 mA.
  • Programmable boost switching frequency (200 kHz to 2.15 MHz).

More Datasheets from Allegro MicroSystems

Part Number Description
A8519-1 Fault-Tolerant LED Driver
A8510 High Efficiency Fault Tolerant LED Driver
A8511 4-Channel x 150 mA WLED/RGB Driver
A8514 High Efficiency Fault Tolerant LED Driver
A8515 Fault Tolerant LED Driver
A8517 Multi-Channel LED Driver
A8518 Fault-Tolerant LED Driver
A8518-1 Fault-Tolerant LED Driver
A8502 High Efficiency Fault Tolerant LED Driver
A8503 WLED/RGB Driver