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UC3770B - High Performance Stepper Motor Driver

This page provides the datasheet information for the UC3770B, a member of the UC3770A High Performance Stepper Motor Driver family.

Datasheet Summary

Description

The UC3770A and UC3770B are high-performance full bridge drivers that offer higher current and lower saturation voltage than the UC3717 and the UC3770.

Included in these devices are LS-TTL compatible logic inputs, current sense, monostable, thermal shutdown, and a power H-bridge output stage.

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 Steps or Varied Continuously.
  • Thermal Protection and Soft Intervention.

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Datasheet preview – UC3770B

Datasheet Details

Part number UC3770B
Manufacturer Unitrode
File Size 125.99 KB
Description High Performance Stepper Motor Driver
Datasheet download datasheet UC3770B Datasheet
Additional preview pages of the UC3770B datasheet.

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Full PDF Text Transcription

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High Performance Stepper Motor Drive Circuit UC3770A UC3770B 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 Steps or Varied Continuously. • Thermal Protection and Soft Intervention. DESCRIPTION The UC3770A and UC3770B are high-performance full bridge drivers that offer higher current and lower saturation voltage than the UC3717 and the UC3770. Included in these devices are LS-TTL compatible logic inputs, current sense, monostable, thermal shutdown, and a power H-bridge output stage.
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