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Date: 30th Jun 2011

New16-bit PIC MCUs and dsPIC DSCs for low-cost, sensorless motor-control apps

Microchip Technology has announced a new series of 16-bit PIC microcontrollers (MCUs) and dsPIC Digital Signal Controllers (DSCs) for designing low-cost, sensorless motor-control designs with support for a range of motor-control algorithms, and include an on-chip Charge Time Measurement Unit (CTMU), and10-bit Analog-to-Digital Converter (ADC), to enable intelligent sensor applications, and mTouch capacitive touch sensing. The devices are supported by three new Plug-In Modules (PIMs) and a single-board motor-control starter kit that includes cap-touch sliders and an onboard BLDC motor for applications in the appliance (e.g. washing machines), medical (e.g. infusion pumps) and industrial (e.g. AC-induction motors) markets, among others.

The general-purpose dsPIC33FJ16 "GP" devices include a Real-Time Clock/Calendar and up to 21 general-purpose output pins. The dsPIC33FJ16 and PIC24FJ16 "MC" devices include a 6-channel Pulse-Width Modulation (PWM) peripheral with synchronised outputs for 3-phase operation.

"Customers are always looking for ways to incorporate more features and functionality into their designs without increasing costs," said Sumit Mitra, vice president of Microchip's High-Performance Microcontroller Division. "The dsPIC33FJ16 DSCs and PIC24FJ16 MCUs meet these needs, with the 'MC' versions enabling customers to enjoy the benefits of advanced motor control, such as higher efficiency, quieter operation, smoother torque and higher reliability."

Packaging and availability:
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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