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A5977 - Microstepping DMOS Driver

Product Overview

Allegro

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A5977 Microstepping DMOS Driver by Allegro - Datasheet Preview — Datasheet preview – A5977

Datasheet Details

Part number	A5977
Manufacturer	Allegro
File Size	1.03 MB
Description	Microstepping DMOS Driver
Datasheet	A5977 Datasheet
Additional preview pages of the A5977 datasheet.

A5977 Product details

Description

The A5977 is a complete microstepping motor driver with built-in translator.

It is designed to operate bipolar stepper motors in full-, half-, quarter-, and eighth-step modes, with output drive capability of 40 V and ±2.8 A.

Features

±2.8 A, 40 V output rating.
Low RDS(on) outputs, 0.22 Ω source, 0.15 Ω sink typical.
Automatic current decay mode detection/selection.
3 to 5.5 V logic supply voltage range.
Mixed, fast, and slow current decay modes.
Home output.
Synchronous rectification for low power dissipation.
Internal UVLO and thermal shutdown circuitry.
Crossover-current protection.
Short-to-ground protection.
Short-to-VBB.

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Published: Dec 3, 2016 |