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dsPIC33CK Motor Control Starter Kit

Part Number: EV12F76A

Summary:

The dsPIC33CK Low Voltage Motor Control (LVMC) Development Board is a cost-effective rapid development platform for Brushless DC (BLDC), Permanent Magnet Synchronous Motor (PMSM) and Internal Permanent Magnet (IPM) motor control applications. The LVMC development board is ideal to explore and prototype motor control applications that operate from 12 to 48 Volts and up to 10 Amps of continuous View More

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Product Features

    Motor Control

    Three-phase inverter bridge for 12 to 48 volt motors
    Three phase bridge with six NMOS MOSFETs supports 10A of continuous current or 20A with additional heat sink or fan
    Three MIC4605 Half-Bridge MOSFET gate drivers (85V)
    Separate Hall sensors and optical/magnetic encoder interfaces for sensored motor control
    Phase voltage feedback for sensorless BEMF BLDC or PMSM operation
    DC bus current sense shunt resistor circuit for single-shunt FOC control or BLDC current control
    Phase current sense shunt resistor in inverter leg for dual or triple-shunt FOC control
    Phase current signal conditioning using the internal op amps locate on the dsPIC33CK DSC, or using the external op amps locate on the LVMC board for current sensing
    Overcurrent protection using the dsPIC33CK DSC’s internal comparator and 12-bit DAC
    DC Bus Voltage feedback for over-voltage protection
    Temperature sensor for monitoring the MOSFET temperature
    Connector to interface external thermocouple (I2C) and an external temperature sensor to monitor the motor temperature

    User Interface

    6 green LEDs for PWM status indication
    1 Red LED for power-on status indication
    2 Blue LED for debug indication
    1 Potentiometer & 3 push buttons to implement user inputs like speed reference, start, stop forward, reverse, etc.
    Reset switch

    Power Supply Connectors

    Screw terminal connector to power from an external DC power supply
    Barrel connector to power the board from a 24V/2.5A AC/DC power adaptor

    On-board Power Supply

    12-Volt gate drive power supply
    5-Volt step-down DC/DC for Hall sensors, optical encoder and the mikroBUS™ sockets
    3-Volt step-down DC/DC for the dsPIC33CK DSC, serial interfaces and mikroBUS™ sockets.

    Communications Interfaces

    UART to USB circuit and connector (mini-B) for high-speed communications for debuggers such as X2C Debug
    Two mikroBUS™ sockets to expand serial communications functionality using MikroElektronika Click boards™

    Programming Interfaces

    On-board PKoBv4 Debug Circuit for code programming and debugging, eliminating the need for an external programmer/debugger
    Additional ICSP™ connector for programming the dsPIC® DSC device using an external programmer/debugger

Summary

The dsPIC33CK Low Voltage Motor Control (LVMC) Development Board is a cost-effective rapid development platform for Brushless DC (BLDC), Permanent Magnet Synchronous Motor (PMSM) and Internal Permanent Magnet (IPM) motor control applications. The LVMC development board is ideal to explore and prototype motor control applications that operate from 12 to 48 Volts and up to 10 Amps of continuous current. The board can also support higher current, up to 20 Amps with an optional fan or heatsink. The board supports application development for sensored six-step trapezoidal or sinusoidal control with hall sensors, sensorless BEMF measuring phase voltages, or Field Oriented Control (FOC) with single, dual or triple-shunt resistor current sensing circuits. This flexibly in architecture allows you to evaluate various design techniques that suit your application requirements, balancing the cost and performance.

The LVMC board features the high-performance, single core dsPIC33CK256MP506 Digital Signal Controller (DSC) with 256KB Flash, 8-pairs of advanced motor control PWMs, three integrated 3.5 Msps ADCs for implementing math intensive motor control algorithms like sensorless FOC, Initial Position Detection (IPD), Field Weakening (FW), etc. The LVMC board comes with two mikroBUS™ headers to expand the board features to meet your application needs. It features a high-speed USB to UART interface for debug purpose and to monitor key parameters in your control algorithm using a graphical PC tool like X2C Scope or RTDM.

Benefits

Low-cost development board to prototype low-voltage motor control designs

A complete design serving as a reference to implement your motor control solution using the dsPIC33CK DSC and MIC4605 MOSFET gate drivers in a small form factor

Flexible development board to explore various BLDC/PMSM/IPM commutation techniques:

Supports trapezoidal 6-step control or FOC of BLDC/PMSM/IPM motors

Multiple feedback methods to support both sensored and sensorless operation: phase voltage feedback, Hall sensors, optical/magnetic encoders using the QEI, and operation using single, dual or triple low-side current sensing circuits

Signal conditioning circuit using either the on-chip op amps of the dsPIC33CK DSC, or the external op amps located on the LVMC board

PICKit-on-Board (PKoBv4) built into the board creates a standalone development tool, eliminating the need for an external programmer or debugger

Package Contents

dsPIC33CK Low Voltage Motor Control (LVMC) Development Board

3-Phase IPM Motor 24V/2.3A/55W with built in Hall sensors

USB Cable for connection from PC to the board

Screwdriver for motor and power connectors