A8519 Datasheet - Allegro

A8519 Fault-Tolerant LED Driver

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. The LED sinks can be paralleled together to achieve.

A8519 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

A8519 Datasheet (2.20 MB)