A4985 Datasheet - Allegro

DMOS Microstepping Driver

A4985 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 ▪ Thin profile QFN and TSSOP packages ▪ Thermal shu

A4985 General Description

The A4985 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 eighth-step modes. Step modes are selectable by MSx logic inputs. It has an output drive capacity of up to 35 V and ±1 A. Th.

A4985 Datasheet (1.44 MB)

A4985 Datasheet Preview — Preview of A4985 PDF

Datasheet Details

Part number:

A4985

Manufacturer:

Allegro

File Size:

1.44 MB

Description:

Dmos microstepping driver.

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A4985 DMOS Microstepping Driver Allegro

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A4985 Features

A4985 General Description

Datasheet Details

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A4985 Distributor