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Manufacturer Part #


dsPICDEM MCSM Development Board

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Mfr. Name: Microchip
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Product Specification Section
Technical Attributes
Attributes Table
Application Type: Motor Control
Features & Applications

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 dsPIC33F 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 dsPIC33FJ32MC204 DSC PIM (MA330017) is included.

The dsPICDEM MCSM Development Board supports terminal voltages up to 80 V and currents up to 3 A. The dsPIC33F device uses the MOSFET driver to drive the two full-bridge inverters that power the motor windings

The board includes 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

Key Features:

Motor control interfaces:

  • Two full-bridge inverters
  • Two phase current sense resistors
  • DC bus voltage sense resistor
  • Over-current protection

Built-in power supplies:

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

Power supply connectors:

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

Motor control device (U2) socket:

  • The dsPIC33FJ12MC202 Motor Control device in SOIC package (U3) footprint

 User Interfaces:

  • One push button (S1)
  • Reset push button (RESET)
  • 10 K 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)
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