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A8519-1

Part Number	A8519-1
Manufacturer	Allegro
Description	Fault-Tolerant LED Driver
Published	Dec 6, 2023
Detailed Description	A8519 and A8519-1 Wide Input Voltage Range, High-Efficiency, Fault-Tolerant LED Driver FEATURES AND BENEFITS • Automot...
Datasheet	A8519-1 PDF File

Overview

A8519 and A8519-1 Wide Input Voltage Range, High-Efficiency, Fault-Tolerant LED Driver FEATURES AND BENEFITS • 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) • Synchronized boost switching frequency option (320 kHz to 2.
3 MHz) • Dithering of boost switching frequency to reduce EMI • Extremely high LED contrast ratio 10,000:1 us...

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