A6271 Datasheet - Allegro MicroSystems

A6271, Automotive High-Current LED Controller

A6271 Automotive High-Current LED Controller .
The A6271 is a DC-DC converter controller, providing a programmable constant-current output for driving high-power LEDs in series.

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A6271-AllegroMicroSystems.pdf

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Datasheet Details

Part number:

A6271

Manufacturer:

Allegro MicroSystems

File Size:

0.97 MB

Description:

Automotive High-Current LED Controller

Features

* 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 driv

Applications

* Automotive high-power LED lighting systems
* Fog lights, reversing lights, daytime running lights, position lights, headlights VBAT C1 4.7 µF C2 4.7 µF L1 56 µH D2 C7 47 nF R5 150 Ω R6 1.35 Ω A6271-DS, Rev. 9 MCO-0000359 C3 R1 2.7 kΩ 1 µF PWM Control C4 22 nF VREG VIN

A6271 Distributors

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A6271 Automotive High-Current LED Controller Allegro MicroSystems

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