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New LaunchMay 4, 2026, 08:03 AM

Enphase Energy Publishes White Paper on IQ Solid-State Transformer for AI

AI Summary

Enphase Energy, Inc. has published a technical white paper titled "IQ Solid-State Transformer: Intelligent Power for AI," detailing its IQ SST architecture for AI data centers. The paper explains the distributed approach using 342 smaller power modules to convert medium-voltage AC to regulated DC power, addressing the industry's shift to higher-voltage DC architectures. Key differentiators include single-stage power conversion, fast response to dynamic AI loads, high system availability, and scalable manufacturing, leveraging technologies like GaN-based switching and a custom control ASIC.

Key Highlights

  • Enphase Energy published a technical white paper on its IQ Solid-State Transformer (IQ SST) architecture.
  • IQ SST uses a distributed supercluster of 342 smaller power modules for AI data centers.
  • The architecture is designed for higher-voltage DC power (800 VDC, "") and fast response to dynamic AI loads.
  • Features single-stage power conversion enabled by Enphase's custom Kestrel control ASIC.
  • Employs GaN-based switching and proprietary high-frequency transformers for efficiency and low EMI.
  • Designed for high system availability through parallel redundancy and module-level hot-swap serviceability.
  • Aims to reduce or eliminate the need for sidecar power racks in supported data center configurations.