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

Design Documents contain the documents below.

Design Data

Design Data contains the contents listed below.

*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

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