A3992 - DMOS Dual Full-Bridge Microstepping PWM Motor Driver

Allegro MicroSystems

A3992 Datasheet Preview — Preview of A3992 PDF

Datasheet Details

Part number	A3992
Manufacturer	Allegro MicroSystems
File Size	1.21 MB
Description	DMOS Dual Full-Bridge Microstepping PWM Motor Driver
Datasheet	A3992_AllegroMicroSystems.pdf

A3992 Product details

Description

Designed for pulse width modulated (PWM) current control of bipolar microstepped stepper motors, the A3992 is capable of continuous output currents to ±1.5 A and operating voltages to 50 V.

Features

±1.5 A, 50 V continuous output rating.
Low RDS(on) DMOS output drivers.
Short-to-ground protection.
Shorted load protection.
Optimized microstepping via six bit linear DACs.
Programmable mixed, fast, and slow current decay modes.
4 MHz internal oscillator for digital timing.
Serial interface controls chip functions.
Synchronous rectification for low power dissipation.
Internal UVLO and thermal shutdown circuitry.
Crossover-current protectio.

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Published: May 2, 2007 |