Microchip Technology Inc.

dsPIC33EP “GS” Family for Digital Power Applications

The dsPIC33EP “GS” family delivers the performance needed to implement more sophisticated non-linear, predictive and adaptive control algorithms at higher switching frequencies. These advanced algorithms enable power supply designs that are more energy efficient and have better power supply specifications. Higher switching frequencies enable the development of physically smaller power supplies that offer higher densities and lower costs. Compared with the previous generation of DSCs, the new dsPIC33EP “GS” devices provide less than half the latency, when used in a three-pole three-zero compensator, and consume up to 80% less power in any application. This new dsPIC33EP “GS” family includes advanced features such as Live Update Flash capability, which is especially helpful for high-availability or “always-on” systems. Live Update can be used to change the firmware of an operating power supply, including the active compensator calculation code, while maintaining continuous regulation. Variants from this new digital-power-optimized DSC family are available in an industry’s-smallest, 4 x 4 mm UQFN package for space-constrained designs. The dsPIC33EP “GS” family is supported by Microchip’s MPLAB® Starter Kit for Digital Power (part # DM330017-2, $129.99), which allows customers to explore using the new dsPIC33EP “GS” family in popular digital power-conversion topologies.

Features & Benefits

  • Small Footprints: variants from this new digital-power-optimized DSC family are available in an industry’s-smallest, 4 x 4 mm UQFN package for space-constrained designs
  • Live Update Flash: can be used to change the firmware of an operating power supply, including the active compensator calculation code, while maintaining continuous regulation, especially helpful for high-availability or “always-on” systems
  • Easy Development: Digital Power Starter Kit (part # DM330017-2, $129.99) and Microchip’s new Digital Compensator Design Tool to help engineers calculate the optimum compensator coefficients to maximize the performance of their designs
  • High Performance: to implement sophisticated non-linear, predictive and adaptive control algorithms at higher switching frequencies, for power supply designs that are more energy efficient

Technical Specs

  • Products in this family range from 28- to 64-pin options and 16 to 64 KB Flash
  • Up to five 12-bit ADCs with as many as 22 ADC inputs, providing total throughput of 16 Mega samples per second (Msps) with a 300 ns ADC latency
  • 12-bit DACs for each of the four analog comparators, for higher-precision designs
  • Two on-chip programmable gain amplifiers can be used for current sensing and other precision measurements
  • Specialized power conversion PWMs with 10 channels, 5 pairs

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Availability

All Product Variants available now for sampling and production.

Application areas

  • AC/DC Power Supplies

• Primary Side: Power Factor Correction
• Secondary Side: Regulated DC/DC

  • DC/DC Power Supplies

• 1/4 Brick and Other Small Form

  • Factors

• Automotive DC/DC Converters

  • LED & HID Lighting

• Automotive Headlights
• Projectors
• Industrial & Commercial Lighting

  • Broad Range of Applications

• Solar Inverters
• Battery Chargers
• Welders
• Uninterruptible Power Supplies (UPS)

Contact Information

Microchip Technology Inc.

2355 W. Chandler Blvd.
Chandler, AZ, 85224
USA

tele: 480.792.7200
toll-free: 888.MCU.MCHP
fax: 480.792.7277
here2help@microchip.com
www.microchip.com

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