A3977 Datasheet - Allegro

Microstepping DMOS Driver

A3977 Features

* ±2.5 A, 35 V output rating

* Low RDS(on) outputs, 0.28 Ω source, 0.22 Ω sink typical

* Automatic current decay mode detection/selection

* 3.0 to 5.5 V logic supply voltage range

* Mixed, fast, and slow current decay modes

* Home output

* Sync

A3977 General Description

The A3977 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 35 V and ±2.5 A. The A3977 includes a fixed off-time current regulator that has the ability .

A3977 Datasheet (769.97 KB)

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Datasheet Details

Part number:

A3977

Manufacturer:

Allegro

File Size:

769.97 KB

Description:

Microstepping dmos driver.

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A3977 Microstepping DMOS Driver Allegro

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A3977 Features

A3977 General Description

Datasheet Details

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