Part Number
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A3977 |
Manufacturer
|
Allegro |
Description
|
Microstepping DMOS Driver |
Published
|
Apr 22, 2014 |
Detailed Description
|
A3977
Microstepping DMOS Driver with Translator
FEATURES AND BENEFITS
• ±2.5 A, 35 V output rating • Low RDS(on) output...
|
Datasheet
|
A3977
|
Overview
A3977
Microstepping DMOS Driver with Translator
FEATURES AND BENEFITS
• ±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 • Synchronous rectification for low power dissipation • Internal UVLO and thermal shutdown circuitry • Crossover-current protection
Package: 28-pin TSSOP (suffix LP) with Exposed Thermal Pad
Not to scale
DESCRIPTION
The A3977 is a complete microstepping motor driver with built-in translator.
It is designed to operate bipolar stepper motors in full-, half-, quarter-, and eighth-step modes...
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