Bridgeless Power Factor Correction Converter

(ACTIVE) TIDM-BLPFC

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Description

This design is a digitally controlled, bridgeless, 300W, power factor correction (PFC) converter. The distinguishing characteristic of a bridgeless PFC converter is that it eliminates the need for a diode bridge at the input. This reduces power losses that normally occur in a diode bridge and, as a result, improves overall system efficiency. For this design, a C2000™ Piccolo™ TMS320F28035 microcontroller (MCU) is the digital controller for the PFC converter, controlling the two boost power stages that comprise the bridgeless PFC converter. By operating the stages alternatively during the positive and negative half cycles of the AC mains voltage, the Piccolo MCU implements both the AC-to-DC rectification as well as power factor control. This design achieves full load efficiency greater than 93% and power factor of greater than 0.98 at 50% or greater load.

Features

  • Full digital control of bridgeless PFC power converter
  • 95 VAC to 265 VAC input voltage range
  • 400 VDC bus output operating up to 300 W
  • Full load efficiency greater than 93% and power factor of 0.98 at 50% or greater load
  • C2000™ Piccolo™ TMS320F28035 MCU is the digital controller, operating the bridgeless PFC power converter at a PWM frequency of 200 KHz
  • Fully-functional evaluation board includes software, hardware design files, quick start graphical interface and step-by-step documentation
NOTE: Software for this board is located inside the controlSUITE™ software package. Download controlSUITE at ti.com/controlsuite. Once installed, navigate to "High Voltage Bridgeless PFC Developers Kit" under the Development Tools -> Digital Power section.


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Bill of Materials (BOM)

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Part Number Buy from Texas Instruments or Third Party Buy from Authorized Distributor Status

TMDSHVBLPFCKIT:
HV Bridgeless PFC Developers Kit

$450.00(USD)


Pricing may vary.



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TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TMS320F28035  Piccolo™ 32-bit MCU with 60 MHz, 128 KB Flash, CLA  C2000 real-time control MCUs  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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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

Application notes (1)
Title Abstract Type Size (KB) Date Views
PDF 926 27 May 2014 25
User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 97 27 May 2014 18
Design files (4)
Title Abstract Type Size (KB) Date Views
ZIP 80 27 May 2014 13
PDF 331 27 May 2014 6
PDF 86 27 May 2014 18
PDF 258 27 May 2014 28

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