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A4988 Datasheet - Allegro

A4988 - DMOS Microstepping Driver

The A4988 is a complete microstepping motor driver with built-in translator for easy operation.

It is designed to operate bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes, with an output drive capacity of up to 35 V and ±2 A.

The A4988 includes a fixed off-time c

A4988 Features

* ▪ Low Rds(on) outputs ▪ Automatic current decay mode detection/selection ▪ Mixed and slow current decay modes ▪ Synchronous rectification for low power dissipation ▪ Internal UVLO ▪ Crossover-current protection ▪ 3.3 and 5 V compatible logic supply ▪ Thermal shutdown circuitry ▪ Short-to-ground prot

A4988-Allegro.pdf

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Datasheet Details

Part number:

A4988

Manufacturer:

Allegro

File Size:

1.18 MB

Description:

Dmos microstepping driver.

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