A3987 Datasheet - Allegro MicroSystems

DMOS Microstepping Driver

A3987 Features

* ▪ Low RDS(on) outputs ▪ Short-to-ground protection ▪ Shorted load protection ▪ Automatic current decay mode detection/selection ▪ Mixed and slow current decay modes ▪ Synchronous rectification for low power dissipation ▪ Internal UVLO and thermal shutdown circuitry ▪ Crossover-current protection PAC

A3987 General Description

The A3987 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, and sixteenth step modes, with output drive capability of 50 V and ±1.5 A. The A3987 includes a fixed off-time current regulator, w.

A3987 Datasheet (1.00 MB)

A3987 Datasheet Preview — Preview of A3987 PDF

Datasheet Details

Part number:

A3987

Manufacturer:

Allegro MicroSystems

File Size:

1.00 MB

Description:

Dmos microstepping driver.

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A3987 DMOS Microstepping Driver Allegro MicroSystems

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A3987 Features

A3987 General Description

Datasheet Details

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