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dsPICDEM™ MCSM Development Board

Part Number: DM330022-1

Summary:

The Microchip dsPICDEM™ MCSM Development Board is targeted to control both unipolar and bipolar stepper motors in open-loop or closed-loop (current control) mode. The hardware is designed in such a way that no hardware changes are necessary for 8-, 6- or 4-wire stepper motors in either bipolar or unipolar configurations. Software to run motors in open-loop or closed-loop with full or

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Overview
Features
Additional Resources
Related Tools

Additional Resource

  • Accessories Support
Accessories Support
AC300024: Lead Shine Stepper Motor
AC002013: 24V Power Supply

Documents and Software

Product Features

    Motor control interfaces:

    • Two full-bridge inverters
    • Two phase current sense resistors
    • DC bus voltage sense resistor
    • Over-current protection
    • 6-wire stepper motor interface (optional Leadshine Stepper Motor (AC300024) recommended)

    Built-in power supplies:

    • 15V power supply, maximum power available 11 W
    • 3.3V power supply, maximum power available 2 W

    Power supply connectors:

    • 24V power input connector (J6) for the controller and power stage (optional 24-volt power supply AC002013 recommended)
    • Auxiliary Power Tab Fast-On connectors (BP1 and BP2) for the power stage

    Motor control device socket:

    • The dsPIC33FJ12MC202 Motor Control device in SOIC package (U3) footprint (not mounted)

    User Interfaces:

    • One push button (S1)
    • Reset push button (RESET)
    • 10K Ohm Potentiometer (POT)
    • LED indicators for PWM outputs arranged in a full-bridge format
    • LED indicator for over current

    Communication Ports:

    • UART communication via USB (J4)
    • Programming Connectors:
    • ICSP™ connector for programming a dsPIC DSC device (J2)
    • RJ11 connector for programming a dsPIC DSC device (J1)
    • ICSP connector for programming the PIC18LF2450 USB-to-UART Bridge (J3)

Summary

The Microchip dsPICDEM™ MCSM Development Board is targeted to control both unipolar and bipolar stepper motors in open-loop or closed-loop (current control) mode. The hardware is designed in such a way that no hardware changes are necessary for 8-, 6- or 4-wire stepper motors in either bipolar or unipolar configurations. Software to run motors in open-loop or closed-loop with full or variable micro-stepping is provided. A GUI for controlling step commands, motor parameter input, and operation modes is included. This flexible and cost-effective board can be configured in different ways for use with Microchip’s specialized dsPIC33 Motor Control Digital Signal Controllers (DSCs). The dsPICDEM MCSM Development Board offers a mounting option to connect either a 28-pin SOIC device or a generic 100-pin Plug-In Module (PIM). A dsPIC33CK64MP105 External Op Amp MC PIM (MA330050-1) is included.

The dsPICDEM MCSM Development Board supports terminal voltages up to 80V and currents up to 3A. The dsPIC33C device uses the MOSFET driver to drive the two full-bridge inverters that power the motor windings. The board includes various circuits to perform the following functions:

  • Drive two motor windings with the two on-board full-bridge inverters
  • Measure feedback and other analog signals (i.e., current, DC voltage, Potentiometer and Fault signals)
  • Communicate with a host computer or an external device via USB

The dsPIC33CK64MP105 devices feature an 4-channel, high-speed PWM with Complementary mode output, a programmable ADC trigger on the PWM reload cycle, digital dead time control, internal shoot-through protection and hardware fault shutdown. These features make the dsPIC DSC an ideal solution for high-performance stepper motor control applications where control of the full-bridge inverter is required.

Package Contents

dsPICDEM MCSM Development Board: DM330022-1

  • dsPICDEM MCSM Development Board
  • dsPIC33CK64MP105 Plug-In-Module (PIM)
  • USB-to-mini-USB cable
  • Screwdriver