A3973 Datasheet - Allegro MicroSystems

A3973, Dual DMOS Full-Bridge Microstepping PWM Motor Driver

A3973 Dual DMOS Full-Bridge Microstepping PWM Motor Driver Discontinued Product This device is no longer in production.The device should not be purc.
Designed for pulse-width modulated (PWM) current control of bipolar microstepping stepper motors, the A3973 is capable of continuous output currents.

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Datasheet Details

Part number:

A3973

Manufacturer:

Allegro MicroSystems

File Size:

782.44 KB

Description:

Dual DMOS Full-Bridge Microstepping PWM Motor Driver

Features

* ▪ ±1 A, 35 V Continuous Output Rating ▪ Low RDS(on) DMOS Output Drivers ▪ Optimized Microstepping via 6-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 L

Applications

* Samples are no longer available. Date of status change: November 1, 2010 Recommended Substitutions: For existing customer transition, and for new customers or new applications, refer to the A3992. NOTE: For detailed information on purchasing options, contact your local Allegro field applications

A3973 Distributors

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A3973 Dual DMOS Full-Bridge Microstepping PWM Motor Driver Allegro MicroSystems

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