1200V SiC JFET Inside: Xinyi Micro Reveals 800V Auxiliary Power Solution for AI Data Centers
2026-08-13 · Compiled by Best IT Parts from public industry reporting
NVIDIA is pushing toward an 800V DC power distribution architecture to support next-generation megawatt-class AI racks, making high-voltage DC delivery a key direction for AI data center power upgrades. To meet this demand, Xinyi Micro's 800V auxiliary power solution integrates a 1200V SiC JFET, enabling a high-efficiency auxiliary power stage directly on 800V DC rails. The article details the JFET-based auxiliary topology, its advantages in standby power consumption and reliability versus conventional solutions, and how it addresses the isolation and voltage-withstand challenges of 800V systems. For server PSU manufacturers, data center power component distributors, and B2B buyers tracking AI infrastructure trends, this signals an early move toward HV DC auxiliary designs that will shape next-generation server and rack power platforms.
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Technical details are reproduced as reported. Verify specifications against the original source before design or procurement decisions.