Design Automation


Motor control development tools

4 March 2009 Design Automation

Microchip has expanded its support for motor control applications based on the dsPIC digital signal controller (DSC). The dsPICDEM MCLV development board is a new low-voltage brushless DC (BLDC) motor control development platform supporting the dsPIC33F family of motor control DSCs.

It provides a cost-effective method for evaluating and developing sensored or sensorless BLDCs and permanent magnet synchronous motor (PMSM) control applications.

The board contains a three-phase inverter bridge circuit which can drive a BLDC or PMSM motor using different control techniques, without requiring any additional hardware. The board is capable of controlling motors rated up to 48 V and 15 A, and supports multiple communication channels, such as USB, CAN, LIN and RS232. It employs a processor­differentiated plug-in module strategy to support a variety of dsPIC33Fs with different memory and pin configurations.

To support this release, Microchip also announced two new motor control software solutions. One shows how power factor correction algorithms can be combined with sensorless motor-control algorithms on a single chip, while the second demonstrates how to run an AC induction motor faster than its rated speed for a class of applications, to lower cost, save space or reduce weight.

The MPLAB IDE’s graphical Data Monitor and Control Interface (DMCI) has been further enhanced to include a realtime data monitor function. This provides a graphical method to input and adjust motor parameters in realtime and see the effect immediately, without halting the application.



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