A4938 - 3-Phase Brushless DC Motor Pre-Driver

Product Overview

Allegro

Datasheet Details

Part number	A4938
Manufacturer	Allegro
File Size	622.43 KB
Description	3-Phase Brushless DC Motor Pre-Driver
Datasheet	A4938 Datasheet
Additional preview pages of the A4938 datasheet.

Product details

Description

The A4938 is a complete 3-phase brushless DC (BLDC) motor pre-driver, supplying direct, high-current gate drive of an all N-channel power MOSFET 3-phase bridge.

Features

Drives 6 N-channel MOSFETs.
Synchronous rectification for low power dissipation.
Internal UVLO and thermal shutdown circuitry.
Hall element inputs.
PWM current limiting.
Dead time protection.
FG outputs.
Standby mode.
Lock detect protection.
Overvoltage protection.

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Published: Jan 8, 2025 |