Half-Bridge (HB) AC-DC Power Supply Basic Simulation Circuit

This reference design provides OrCAD® based simulation circuit, simulation results and design guide. This is for designing Half-Bridge (HB) topology of AC-DC power supply.

Circuit of Half-Bridge (HB) AC-DC power supply basic simulation circuit.
Waveforms of of Half-Bridge (HB) AC-DC power supply basic simulation circuit.


  • Basic simulation circuit of Half-Bridge AC-DC power supply that can operate on  OrCAD®.
  • Input voltage : AC 380 V
  • Output voltage : DC 24 V
  • Output power : 300 W


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

Reference design files

Design, Document

“Design・Document” contains the documents listed below.

Name Date

Design, File

“Design・File” contains the contents listed below.

Name Date

Toshiba items

Part Number Device Category Portion Usage Description
TK10A60W MOSFET Primary side・2 DTMOSⅣ/600V/380mΩ(Max)@VGS=10V/TO220SIS
TPH2900ENH MOSFET Secondary side
synchronous rectification・6
U-MOSⅧ-H/200V/29mΩ(Max)@VGS=10V/SOP Advance


Name Date


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