Transphorm SuperGaN high-voltage GaN FET portfolio spanning low, mid, and high-power segments plus 650V bidirectional switches.

California-based Transphorm, Inc. manufactures power conversion products, reducing electric losses globally.
Transphorm is a Goleta, California semiconductor business that develops high-voltage gallium nitride power products. Its devices pair a normally-off gallium nitride high-electron-mobility transistor with a low-voltage silicon MOSFET in a cascode architecture compatible with standard silicon gate drivers. The business operates as the gallium nitride power division of Renesas Electronics.
The portfolio spans low-, mid-, and high-power segments, from 25-watt adapters to converters above 10 kilowatts, including 650-volt and 900-volt field-effect transistors and high-voltage bidirectional switches. These devices serve data-center power supplies, solar and energy-storage inverters, electric-vehicle systems, and industrial equipment. JEDEC and AEC-Q101 qualification supports use in demanding automotive and industrial designs.
Companies similar to Transphorm include onsemi, Innoscience, Efficient Power Conversion and Navitas Semiconductor.
Transphorm was founded in 2007.
Transphorm's headquarters is located in Goleta, CA, US.
Transphorm's most recent funding round was for $339M (USD) in January 2024.
As of Jan 11, 2024, Transphorm has disclosed funding of $681.5M (USD). Undisclosed round amounts are excluded.

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