Power Electronics

DSC Performance Increases 25% for Digital-Power Applications

Microchip announced a 25% performance increase on its dsPIC33F "GS" series of Digital Signal Controllers (DSCs) for Switch Mode Power Supplies. Now featuring 50 MIPS performance, the dsPIC33F "GS" series of DSCs include on-chip peripherals for digital-power applications, such as an Analog-to-Digital Converter (ADC), Pulse Width Modulation (PWM) peripheral and analog comparators.

The dsPIC33F "GS" family supports applications such as Induction Cooking, Uninterrupted Power Supplies (UPSs), Inverters, Intelligent Battery Chargers, Power Factor Correction, HID Lighting Fluorescent Lighting, LED Lighting, and AC-to-DC, as well as DC-to-DC Power-Conversion applications. The dsPIC33F "GS" DSCs are available in 28- to 100-pin packages, with 16 - 64K of Flash.

The on-chip ADC operates at up to 4 Msps, and the PWM peripherals provide up to 1 nanosecond resolution, with modes supporting all power-conversion topologies. Additionally, the DSCs feature up to four on-chip analog comparators with integrated on-chip Digital-to-Analog Converters, enabling designers to set trip levels dynamically. The analog comparators can be used to directly control the PWM functions.

The dsPIC33F "GS" DSCs are available for sampling and volume production in 28- to 100-pin QFN, SOIC, SPDIP, TQFP and VTLA packages. Pricing starts at $2.53 each, in 10,000-unit quantities.

Microchip Technology
Part Number: dsPIC33F

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