Bridgeless PFC Power Supply Basic Simulation Circuit

This reference design provides OrCAD® based simulation circuit, simulation results and design guide. This is for designing bridgeless PFC power supply.

Circuit diagram of bridgeless PFC power supply basic simulation circuit.


  • Bundled simulation circuit and device models
  • Able to edit power supply specificatoin and devices freely
  • Able to set powef supply specificatoin and ciruit parameters on OrCAD®


  • Basic simulation circuit of bridgeless PFC power supply that can operate on OrCAD®.
Input voltage AC 90 to 264V
Output voltage DC 400V
Output power 1600W
Waveform of bridgeless PFC power supply basic simulation circuit.

Design Documents

Design Documents contain the documents below.

Design Data

Design Data contains the contents listed below.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Power MOSFET (N-ch 500V<VDSS≤700V) 2 N-ch MOSFET, 600 V, 0.088 Ω@10V, TO-247, DTMOSⅣ-H
SiC Schottky barrier diode 2 650 V/8 A SiC Schottky Barrier Diode, TO-220-2L

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