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NJM3777E3 - DUAL STEPPER MOTOR DRIVER

This page provides the datasheet information for the NJM3777E3, a member of the NJM3777 DUAL STEPPER MOTOR DRIVER family.

Description

The NJM3777 is a switch-mode (chopper), constant-current driver with two channels: one for each winding of a two-phase stepper motor.

The NJM3777 is equipped with a Disable input to simplify half-stepping operation.

Features

  • Dual chopper driver.
  • 900 mA continuous output current per channel.
  • Digital filter on chip eliminates external filtering components.
  • Package EMP24(Batwing) s BLOCK.

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Datasheet preview – NJM3777E3

Datasheet Details

Part number NJM3777E3
Manufacturer New Japan Radio
File Size 166.56 KB
Description DUAL STEPPER MOTOR DRIVER
Datasheet download datasheet NJM3777E3 Datasheet
Additional preview pages of the NJM3777E3 datasheet.

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Full PDF Text Transcription

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NJM3777 DUAL STEPPER MOTOR DRIVER s GENERAL DESCRIPTION The NJM3777 is a switch-mode (chopper), constant-current driver with two channels: one for each winding of a two-phase stepper motor. The NJM3777 is equipped with a Disable input to simplify half-stepping operation. The NJM3777 contains a clock oscillator, which is common for both driver channels, a set of comparators and flip-flops implementing the switching control, and two output H-bridges, including recirculation diodes. Voltage supply requirements are + 5 V for logic and + 10 to + 45 V for the motor. Maximum output current is 900mA per channel.
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