16-bit digital power controllers

29 April 2009 DSP, Micros & Memory

Microchip has announced the first seven next-generation 16-bit dsPIC digital signal controllers (DSCs) for common, multidrop switch mode power supplies (SMPSs) and other power conversion applications. The seven new dsPIC33F ‘GS’ series digital-power DSCs enable digital control loops with four to eight high-speed, 1 ns resolution PWMs, up to four 20 ns comparators, each with an integrated DAC and one or two 10-bit, on-chip ADCs, providing 2 to 4 million samples per second for low latency and high-resolution control. They range from 18 to 44 pins and 6 to 18 KByte Flash memory, and are pin-to-pin compatible with Microchip’s initial digital power DSC family. Application examples include AC-DC power supplies, power factor correction, DC-DC converters, UPSs and power inverters.

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