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A8522

Part Number	A8522
Manufacturer	Allegro
Description	Multi-Channel LED Driver
Published	Dec 6, 2023
Detailed Description	A8522 Wide Input Voltage, Fault Tolerant, Independently Controlled Multi-Channel LED Driver with I2C Interface FEATURES...
Datasheet	A8522 PDF File

Overview

A8522 Wide Input Voltage, Fault Tolerant, Independently Controlled Multi-Channel LED Driver with I2C Interface FEATURES AND BENEFITS • 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, 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 drive multiple loads from a single IC • Extensive PWM dimming (up to 10,000:1 at 100 Hz), individually programmable for eac...

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