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Transphorm Releases 3.3kW GaN Reference Design

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High-voltage bridgeless totem-pole PFC design simplifies AC to DC system development in server, automotive and industrial applicatiions

Transphorm has released a complete 3.3kW continuous conduction mode (CCM) bridgeless totem-pole power factor correction (PFC) reference design for high-voltage (HV) GaN power systems.

The technical blueprint is used to develop AC to DC applications including industrial applications, high-end front-end PFCs for merchant power supplies (servers, gaming, crypto mining, and similar multi-kW high density applications), and on-board chargers for plug in hybrid (PHEV) and battery electric vehicles (BEV).

"As demonstrated by customer end products, Transphorm's high Q+R devices are proven to deliver what high-voltage GaN has always promised. Increased power density, efficiency, and performance with reduced system cost," said Philip Zuk, VP of technical marketing, Transphorm.

"Now, we are helping designers quickly capitalise on those benefits by eliminating design knowledge gaps. With our 3.3-kW reference design, we're arming the industry with a roadmap that was several years in the making. We are excited to see what system innovations will be built upon this GaN foundation."



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The event continues to grow exponentially year on year with many sponsors and exhibitors already signed up for 2020.

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