UC3770 High Performance Stepper Motor Drive Circuit

Unitrode

Description

UC3770A UC3770B High Performance Stepper Motor Drive Circuit .
The UC3770A and UC3770B are high-performance full bridge drivers that offer higher current and lower saturation voltage than the UC3717 and the UC3770.

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Datasheet Specifications

Part number: UC3770
Manufacturer: Unitrode
File Size: 71.03 KB
Datasheet: UC3770_Unitrode.pdf
Description: High Performance Stepper Motor Drive Circuit

Features

* Full-Step, Half-Step and Micro-Step Capability. Bipolar Output Current up to 2A. Wide Range of Motor Supply Voltage: 10
* 50V Low Saturation Voltage Wide Range of Current Control: 5mA
* 2A. Current Levels Selected in S

Applications

* where high-side diodes are not required. Thresholds for the UC3770B are tailored for half stepping applications where 50%, 71%, and 100% current levels are desirable. The UC3770A and UC3770B are specified for operation from 0°C to 70°C ambient. BLOCK DIAGRAM UDG-92039-1 SLUS403A - FEBRUARY 2000

UC3770 Distributors

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UC3770 High Performance Stepper Motor Drive Circuit Unitrode

Unitrode UC3770-like datasheet