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A6271-1

Allegro
Part Number A6271-1
Manufacturer Allegro
Description Automotive High-Current LED Controller
Published Sep 19, 2023
Detailed Description A6271-1 Automotive High-Current LED Controller FEATURES AND BENEFITS • Automotive AEC-Q100 qualified • Constant-current...
Datasheet PDF File A6271-1 PDF File

A6271-1
A6271-1

Overview
A6271-1 Automotive High-Current LED Controller FEATURES AND BENEFITS • Automotive AEC-Q100 qualified • Constant-current LED drive • 4.
2 to 50 V supply • 53.
3 V maximum LED string voltage • Boost, buck-boost, buck, and SEPIC switching converters • Programmable switching frequency 70 to 700 kHz • PWM-controlled PMOS driver allows accurate LED current control at low duty cycles • Dimming via external PWM, internal PWM and/or analog dimming • Frequency dither scheme for effective spread spectrum to reduce EMI • Comprehensive fault protection and fault flag PACKAGE: 16-Pin eTSSOP (LP) with Exposed Thermal Pad Not to scale DESCRIPTION The A6271-1 is a DC-DC converter controller, providing a prog...


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