Allegro A3953S Full-Bridge PWM Motor Driver Datasheet

The A3953S is a full-bridge PWM motor driver with integrated current sense, fault protection, and thermal shutdown circuitry.

Brand: Allegro
Category: Other Electronics
Document type: Datasheet
Language: English
Pages: 16
File format: PDF
File size: 717 KB
Published: 03 August, 2012
Updated: 30 September, 2023
Model: A3953S
MD5 checksum: FF28C8F30F65A5689B36420A13DD30D7
PDF: Allegro A3953S Full-Bridge PWM Motor Driver Datasheet PDF

About this manual

The document is a technical datasheet for the Allegro MicroSystems A3953S, a full-bridge pulse-width modulated (PWM) motor driver designed for bidirectional current control of inductive loads. The device supports continuous output currents up to 1.3A and operating voltages up to 50V.

What's inside

Absolute Maximum Ratings
Electrical Characteristics
Functional Block Diagram
Truth Table
Allowable Package Power Dissipation
Internal PWM Current Control

Specifications

Load Supply Voltage Rating	- 50V
Logic Supply Voltage Range	3.0 V to 5.5 V

Frequently asked questions

What are the available package types for the A3953S?

The device is supplied in a 16-pin dual-in-line plastic package with copper heat-sink tabs or a 16-pin plastic SOIC with copper heat-sink tabs.

Does the device include thermal protection?

Yes, internal circuit protection includes thermal shutdown with hysteresis.

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