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A6271

Part Number	A6271
Manufacturer	Allegro MicroSystems
Description	Automotive High-Current LED Controller
Published	Oct 23, 2019
Detailed Description	A6271 Automotive High-Current LED Controller FEATURES AND BENEFITS • Automotive AEC-Q100 qualified • Constant-current ...
Datasheet	A6271 PDF File

Overview

A6271 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, and buck 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 DESCRIPTION The A6271 is a DC-DC converter controller, providing a programmable constant-curre...

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