A4964 Datasheet PDF (Sensorless Sinusoidal Drive BLDC Controller)

A4964 - Sensorless Sinusoidal Drive BLDC Controller

Description

The A4964 is a three-phase, sensorless, brushless DC (BLDC) motor controller for use with external N-channel power MOSFETs and is specifically designed for automotive applications.

Features

Three-phase sensorless BLDC motor control FET driver.
Three-phase sinusoidal drive with soft start.
Sensorless start-up and commutation.
Windmill detection and synchronization.
Bootstrap gate drive for N-channel MOSFET bridge.
5.5 to 50 V supply range.
SPI-compatible interface.
Programmable control modes: speed, voltage, current.
Peak current limiting.
Control via SPI or PWM.
Programmable gate dri.

Datasheet Details

Part number	A4964
Manufacturer	Allegro
File Size	3.70 MB
Description	Sensorless Sinusoidal Drive BLDC Controller
Datasheet	A4964 Datasheet
Additional preview pages of the A4964 datasheet.

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Full PDF Text Transcription

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A4964 2 - Sensorless Sinusoidal Drive BLDC Controller FEATURES AND BENEFITS • Three-phase sensorless BLDC motor control FET driver • Three-phase sinusoidal drive with soft start • Sensorless start-up and commutation • Windmill detection and synchronization • Bootstrap gate drive for N-channel MOSFET bridge • 5.

Published: Jun 26, 2019 |