3-Phase AC 400V Input PFC Converter

This reference design provides design guide, data and other contents of 4 kW 3-phase AC 400 V input PFC converter using 3-phase totem-pole topology with 1200 V SiC MOSFET.

images of 3-phase AC 400V Input PFC converter.
Simple block diagram of 3-phase AC 400V Input PFC converter.

Features

  • Efficiency:97 % (Vin = 400 V, 100 % load)
  • Power Factor:0.99 (Vin = 400 V, 100 % load)
  • Outline size:500 mm x 320 mm x 160 mm
  • Total solution of SiC MOSFET (TW070J120B) and smart gate driver (TLP5214A)

Description

Input voltage 3-Phase AC 312 to 528 V
Output voltage DC 750 V
Output power 4.0k W
Circuit topology 3-Phase totem-pole
Efficiency curve of 3-phase AC 400V Input PFC converter.
Efficiency Curve

Design Documents

Materials for designers, such as an overview of circuit operation and explanations of design considerations. Please click on each tab to view the contents.

Design Data

Provides circuit data that can be loaded into EDA tools, PCB layout data, and data used in PCB manufacturing. Available in formats from multiple tool vendors. You can freely edit it with your preferred tool.

*1:Actual PCB was designed on CR5000BD. The other files were made from CR5000BD file.

*2:The data was generated on CR5000BD.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Power SiC MOSFETs Main switch・6 N-ch SiC MOSFET, 1200 V, 0.07 Ω(typ.)@20V, TO-3P(N), 2nd Gen.
Photocoupler(Isolation Amplifier) Voltage detection・3 Photocoupler(Isolation Amplifier), Analog output, 5000 Vrms, DIP8
Photocoupler (photo-IC output) Gate drive・6 Photocoupler (photo-IC output), IGBT driver, IOP=+/-4.0 A, 5000 Vrms, SO16L

Related Documents

We provide materials useful for designing and considering similar circuits, such as application notes for installed products. Please click on each tab to view the contents.

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