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Wi-Fi Wireless Bipolar Stepper Motor Driver

₹3,920


This Wi-Fi Stepper Motor Driver enables remote control of a bipolar stepper motor over a wireless network. The project is based on the  ESP32  Wi-Fi microcontroller and the  BD63731EFV  stepper motor driver IC, providing a compact and reliable solution for motion control applications.

The driver operates from a  24 VDC  power supply and is capable of driving bipolar stepper motors with output currents of up to  3A. The  BD63731EFV  supports multiple micro-stepping modes, allowing smooth and precise motor operation while reducing vibration and audible noise.


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Introduction

This Wi-Fi Stepper Motor Driver enables remote control of a bipolar stepper motor over a wireless network. The project is based on the  ESP32  Wi-Fi microcontroller and the  BD63731EFV  stepper motor driver IC, providing a compact and reliable solution for motion control applications.

The driver operates from a  24 VDC  power supply and is capable of driving bipolar stepper motors with output currents of up to  3A. The  BD63731EFV  supports multiple micro-stepping modes, allowing smooth and precise motor operation while reducing vibration and audible noise.

Features

  • Motor Supply 24V DC
  • Rated Output Current 3.0 A
  • Low ON Resistance DMOS Output
  • CLK-IN Drive Mode
  • PWM Constant Current (other oscillation)
  • Built-in Spike Noise Cancel Function (external noise filter is unnecessary)
  • FULL STEP (2 types), HALF STEP (2 types),
  • QUARTER STEP (2 types), 1/8 STEP, 1/16 STEP Functionality
  • Freely Timing Excitation Mode Switch
  • Current Decay Mode Switch (linearly variable SLOW/FAST DECAY ratio)
  • Normal Rotation & Reverse Rotation Switching Function
  • Power Save Function (PS Jumper J4)
  • Built-in Logic Input Pull-down Resistor
  • Power-on Reset Function
  • Thermal Shutdown Circuit (TSD)
  • Over-current Protection Circuit (OCP)
  • Under Voltage Lock Out Circuit (UVLO)
  • Over Voltage Lock Out Circuit (OVLO)
  • Protects Against Malfunction when Power Supply is Disconnected (Ghost Supply Prevention Function)
  • Adjacent Pins Short Protection
  • Microminiature, Ultra-thin and High Heat-radiation (exposed metal type) Package
  • 4 x 3 mm PCB Mounting Holes
  • PCB Dimensions 60.96 x 45.09 mm

Power Supply

This module is designed to operate from a  24 VDC  power supply. The onboard isolated  DC-DC converter (U6)  converts the 24 V input into an isolated  3.3 VDC  supply for the ESP32 microcontroller and associated logic circuitry.

As an alternative power option, the PCB also provides footprints for an  LM317 voltage regulator (U7)  along with output-setting resistors  R12  and  R13. If the  LM317  regulator is installed,  do not populate the DC-DC converter (U6). Only one of these power supply options should be used at a time.

Bipolar Stepper Motor Driver

The bipolar stepper motor driver is based on the  BD63731EFV  high-performance stepper motor driver IC, a low-power PWM current-controlled driver designed for efficient and precise motor control. The module operates from a  24 VDC  power supply and is capable of delivering up to  3.0 A  output current, making it suitable for a wide range of bipolar stepper motors.

The driver uses a  CLK-IN  interface, requiring only  STEP (CLK)  and  DIRECTION (DIR)  input signals for motor control. It supports multiple excitation (micro-stepping) modes, including:

  • Full-Step (2 modes)
  • Half-Step (2 modes)
  • Quarter-Step (2 modes)
  • 1/8-Step
  • 1/16-Step

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