A3977 Datasheet - Allegro

A3977, Microstepping DMOS Driver

A3977 Microstepping DMOS Driver with Translator .
The A3977 is a complete microstepping motor driver with built-in translator.

datasheet Preview Page 1 from Datasheet4u.com

A3977-Allegro.pdf

A3977 Datasheet Preview — Preview of A3977 PDF

Datasheet Details

Part number:

A3977

Manufacturer:

Allegro

File Size:

769.97 KB

Description:

Microstepping DMOS Driver

Features

* ±2.5 A, 35 V output rating
* Low RDS(on) outputs, 0.28 Ω source, 0.22 Ω sink typical
* Automatic current decay mode detection/selection
* 3.0 to 5.5 V logic supply voltage range
* Mixed, fast, and slow current decay modes
* Home output
* Sync

Applications

* where a complex microprocessor is unavailable or overburdened. Internal synchronous-rectification control circuitry is provided to improve power dissipation during PWM operation. Internal circuit protection includes thermal shutdown with hysteresis, undervoltage lockout (UVLO), and crossover-current

A3977 Distributors

📁 Related Datasheet

A3972 A3973 A3974 A3979 A39 A390

📌 All Tags

A3977 Microstepping DMOS Driver Allegro

Allegro A3977-like datasheet