Two-Phase Interleaved Power Factor Correction Converter Reference Design with Power Metering
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This design is a digitally controlled, two phase interleaved, 700W power factor correction converter with added power metering functionality. A C2000™ Piccolo™ microcontroller is the controller for the two 180° phase shifted boost power stages that comprise the power factor correction converter, and, additionally, it monitors the line and neutral voltage waveforms to implement power metering functions. This design is able to achieve 97% efficiency and 1.5% THD at full load with power factor greater than 0.98. By minimizing power loss in the power stage, reducing reliability impacts of harmonic distortion, and providing near unity power factor, this design is a great choice for off-line applications and AC/DC power supplies.

  • Full digital control of dual interleaved PFC power converter topology
  • Universal input of 95 VAC to 265 VAC
  • 400 VDC bus output operating up to 700 W
  • Power Factor of 0.99 at 200 KHz switching frequency and 1.5% THD at full load
  • Supports power monitoring of rectified input voltage, RMS input voltage, RMS input power, and input line frequency
  • Fully-functional evaluation board includes software, hardware design files, quick start graphical interface and step-by-step documentation.

NOTE: Software for this board can be found inside the controlSUITE™ software package. Download controlSUITE at Once installed, navigate to "High Voltage Interleaved PFC Kit" under the Development Tools -> Digital Power section.

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C2000 2 Phase Interleaved Power Factor Correction Kit with integrated power metering


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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TMS320F28035  C2000™ 32-bit MCU with 60 MHz, 128 KB Flash, CLA  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules
UCC27524  5-A/5-A dual-channel gate driver with 5-V UVLO, enable, and 1-ns delay Matching  Gate drivers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TMS320F28035 Download Download
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UCC27524 Download Download
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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 1115 25 Apr 2014
Design files (3)
Title Type Size (KB) Date
ZIP 198 06 Mar 2014
PDF 200 06 Mar 2014
PDF 98 06 Mar 2014
More literature (2)
Title Type Size (KB) Date
PDF 208 25 Apr 2014
PDF 163 22 Feb 2013

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