PIC MCUs & dsPIC DSCs enhanced for motor control - Embedded.com

PIC MCUs & dsPIC DSCs enhanced for motor control

Additions to Microchip's series of 16-bit PIC microcontrollers and dsPIC Digital Signal Controllers  bring control to cost-sensitive general purpose and motor-control designs.  

The devices enable sensor-less motor control designs, with support for a range of motor-control algorithms, plus an on-chip charge time measurement unit (CTMU), 10-bit analog-to-digital converter (ADC) and mTouch capacitive touch sensing to enable intelligent sensor applications.  

The devices are supported by three plug-in modules (PIMs) and a single-board motor control starter kit that includes capacitive-touch sliders and an onboard BLDC motor. These eases the development of appliances, such as washing machines, medical products such as infusion pumps, and industrial AC-induction motors, as well as other cost-sensitive applications.

The dsPIC33FJ16 ‘GP’, dsPIC33FJ16 and PIC24FJ16 ‘MC’ devices  all have on-chip CTMU and ADC peripherals while the general-purpose dsPIC33FJ16 ‘GP’ DSCs include a real-time clock/calendar and up to 21 general-purpose output pins, making them suitable for driving intelligent sensors.  

The dsPIC33FJ16 and PIC24FJ16 ‘MC’ devices include a 6-channel pulse-width modulation (PWM) peripheral with synchronised outputs for 3-phase operation, enabling support for a wide range of motor-control algorithms and applications.  These range from simple sensored motors, to advanced sinusoidal field-oriented control (FOC), brushless DC (BLDC), permanent magnet, and synchronous AC-induction motors (ACIMs), to provide higher efficiency, quieter operation, smoother torque and higher reliability.

The motor control starter kit with mTouch Sensing (DM330015) contains a single board with a BLDC motor, capacitive-touch sliders and a built-in debugger.  Plug-in-modules  for the dsPIC33FJ16GP102, PIC24FJ16MC102 and dsPIC33FJ16MC102 are available for use with the Explorer 16 (DM240001) and the dsPICDEM™ MCLV (DM330021) development boards.

The dsPIC33FJ16GP101 DSC is available in 18-pin PDIP and SOIC packages, as well as a 20-pin SSOP packages.  The dsPIC33FJ16GP102 and dsPIC33FJ16MC102 DSCs, and PIC24FJ16MC102 MCU, are available in 28-pin QFN-S, SDIP, SOIC, and SSOP packages, as well as a 36-pin VLAP package.   The dsPIC33FJ16MC101 DSC and PIC24FJ16MC101 MCU are available in 20-pin PDIP, SOIC and SSOP packages.  

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