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Enphase Energy and Infineon Announce World’s First 900 V GaN Bidirectional Switch Devices for AI Data Center Solid-State Transformers

$ENPHPress releaseOct 26, 2026, 8:00 AM ETRead the release

Enphase Energy will deploy the world's first 900 V gallium nitride monolithic bidirectional switch devices, developed with Infineon, for use in Enphase's solid-state transformer power modules. The devices target the Enphase IQ SST platform for AI data centers, cutting transformer size, losses, and switch count while staying below 1 kV component ratings, and are also expected to benefit commercial solar inverters.

Key figures

Countries
more than 165
Gan voltage
900 V
Systems deployed
5.3 million
Microinverters shipped
89.4 million

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