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A3931 - Automotive 3-Phase BLDC Controller and MOSFET Driver

Product Overview

Allegro MicroSystems

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A3931 Automotive 3-Phase BLDC Controller and MOSFET Driver by Allegro MicroSystems - Datasheet Preview — Datasheet preview – A3931

Datasheet Details

Part number	A3931
Manufacturer	Allegro MicroSystems
File Size	948.21 KB
Description	Automotive 3-Phase BLDC Controller and MOSFET Driver
Datasheet	A3931 Datasheet
Note	This datasheet PDF includes multiple part numbers: A3931, A3930. Please refer to the document for exact specifications by model.
Additional preview pages of the A3931 datasheet.

Product details

Description

The A3930 and A3931 are three-phase brushless DC (BLDC) motor controllers for use with N-channel external power MOSFETs.

Features

High current three-phase gate drive for N-channel MOSFETs.
Synchronous rectification.
Cross-conduction protection.
Charge pump and top-off charge pump for 100% PWM.
Integrated commutation decoder logic.
Operation over 5.5 to 50 V supply voltage range.
Extensive diagnostics output.
Provides +5 V Hall sensor power.
Low-current sleep mode.

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Other Datasheets by Allegro MicroSystems

A3930 - Automotive 3-Phase BLDC Controller and MOSFET Driver
A3932 - Three-Phase Power MOSFET Controller
A3933 - THREE-PHASE POWER MOSFET CONTROLLER
A3938 - Three-Phase Power MOSFET Controller
A3904 - Low Voltage Voice Coil Motor Driver
A3906 - Low Voltage Stepper and Single/Dual DC Motor Driver

Published: Mar 13, 2007 |