A3946 - Half-Bridge Power MOSFET Controller

Product Overview

Allegro MicroSystems

Datasheet Details

Part number	A3946
Manufacturer	Allegro MicroSystems
File Size	763.82 KB
Description	Half-Bridge Power MOSFET Controller
Datasheet	A3946 Datasheet
Additional preview pages of the A3946 datasheet.

Product details

Description

The A3946 is designed specifically for applications that require high power unidirectional DC motors, three-phase brushless DC motors, or other inductive loads.

Features

On-chip charge pump for 7 V minimum input supply voltage.
High-current gate drive for driving a wide range of N‑channel MOSFETs.
Bootstrapped gate drive with top-off charge pump for 100% duty cycle.
Overtemperature protection.
Undervoltage protection.
40°C to 135°C ambient operation.

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Published: Oct 5, 2014 |