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PT12477 - Micro Stepping Motor Driver

General Description

The PT12477 is a monolith integrated motor driver designed for printers, scanners, and home or office automated equipment.

The dual H-bridge drivers are consisting by all of N-channel MOSFETs, and designed to drive a 4-wires bipolar stepper motor.

Key Features

  • Automotive AEC-Q100 Grade 1 (-40℃~+125℃) Qualified.
  • 7.4-V to 45-V supply voltage range.
  • 1.6-A maximum driving current at VM=24V (with additional heatsink).
  • Dual H-bridge driver for bipolar stepper motor with such features: - PWM chopping constant current regulation - Built-In micro stepping sequencer - Multiple micro steps, Full, 1/2, 1/4, 1/8, 1/16 and up to 1/32 steps.
  • STEP and DIR logic inputs can control stepping motor revs and direction.
  • Winding current deca.

📥 Download Datasheet

Datasheet Details

Part number PT12477
Manufacturer PTC
File Size 323.51 KB
Description Micro Stepping Motor Driver
Datasheet download datasheet PT12477 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
PT12477 45V/1.6A, Micro Stepping Motor Driver DESCRIPTION The PT12477 is a monolith integrated motor driver designed for printers, scanners, and home or office automated equipment. The dual H-bridge drivers are consisting by all of N-channel MOSFETs, and designed to drive a 4-wires bipolar stepper motor. The output driving current of the PT12477 allows up to 1.6 Amps (mounted on dual layer PCB with proper heatsinking, VM=24V, TA=25°C). To simplified control interface, the STEP and DIR pins allows easy communicates with micro controller, Three Mode Select pins allow for configuration the micro steps from full-step divides to 1/32 micro-step. 3 kind of winding current decay modes are configurable to keeps motor not missing step and low current ripple.