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Power Factor Correction GaN Reference Design Simplified for Server, Automotive, and Industrial Applications


AC to DC Power System Development Simplified for Server, Automotive and Industrial Applications

GOLETA, Calif.—Transphorm Inc. released the first complete 3.3-kilowatt (kW) continuous conduction mode (CCM) bridgeless totem-pole power factor correction (PFC) reference design for high-voltage (HV) Gallium Nitride (GaN) power systems.

The technical blueprint is used to develop AC to DC applications:

  • High-end front-end PFCs for merchant power supplies (servers, gaming, crypto mining, and similar multi-kW high density applications)
  • On-board chargers for plug in hybrid (PHEV) and battery electric vehicles (BEV)
  • Broad industrial power supplies


Download the TDTTP3300-RD reference design here.

High efficiency products, minimal expertise required

Transphorm designs and manufactures the highest quality, highest reliability 650 V GaN platform, yielding the only JEDEC and AEC-Q101 HV GaN transistors. The reference design delivers 99 percent efficiency using Transphorm’s 3rd generation 650 V GaN FET technology (TP65H050WS – 50 mΩ on-resistance) in an industry-preferred, robust TO-247 power package.

Website: transphormusa.com

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