Transphorm, Inc. (OTCMKTS:TGAN) is a power semiconductor company specializing in gallium nitride (GaN) technology for high-efficiency power conversion. The company designs and develops GaN-based transistors and power modules that deliver lower losses, higher switching frequencies and smaller form factors compared with traditional silicon-based devices. Transphorm’s product portfolio includes discrete GaN field-effect transistors (FETs), monolithic integrated circuits and reference designs tailored for a broad range of power applications.
Transphorm’s GaN solutions target markets such as fast-charging adapters, data center power supplies, renewable energy inverters, electric vehicle charging stations and industrial motor drives. By leveraging the superior material properties of GaN, the company’s devices help original equipment manufacturers reduce system size, improve energy efficiency and lower cooling requirements. Transphorm also offers evaluation boards and design support to accelerate customer adoption of GaN technology.
Founded in 2007 by recognized experts in semiconductor engineering, Transphorm is headquartered in Goleta, California, with research and development facilities supporting global sales efforts. The company has collaborated with wafer fabricators and manufacturing partners to scale production and ensure supply chain resilience. Transphorm’s solutions serve customers across North America, Europe and Asia, addressing growing demand for energy-efficient power conversion products.
Under the leadership of co-founder and CEO Dr. Alex Lidow—formerly co-founder and CEO of a major power semiconductor firm—Transphorm continues to advance GaN reliability and performance. The management team combines industry expertise in device physics, power electronics and systems integration, positioning the company to capture market share as GaN technology gains traction across multiple end markets.
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