Industry Analysis
The AI compute race is pivoting decisively toward power efficiency. JPMorgan’s analysis exposes that 800V HVDC isn’t just an architectural tweak—it’s a materials revolution: SiC and GaN will displace legacy silicon across transformers, PDUs, and VRMs. This cascades into packaging and thermal design, forcing GPU makers to co-develop with power IC vendors. Regulatory pressure from EU ERP 2025 and U.S. DOE standards will phase out 400V systems, yet SiC wafer supply remains concentrated in the U.S. and Japan, exposing Taiwan, China and mainland China OSATs to geopolitical cost premiums. Infineon and onsemi leverage automotive SiC scale, while MPS and Navitas exploit GaN fast-charger IP for data center entry. The next 18 months hinge on NVIDIA’s Kyber ramp: successful 800V adoption could lift power semiconductor ASPs by 50%; failure risks massive inventory write-downs. The real AI bottleneck isn’t GPU count—it’s compound semiconductor capacity per watt.
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