Soitec and ZenSemi team on 300mm power chips for AI datacenters

Power electronics are the unsung heroes of the AI boom. As data centers concentrate tens of megawatts of load, the efficiency, density and reliability of power stages and battery management systems directly affect operating cost and uptime. Soitec and ZenSemi’s 300mm BCD‑on‑SOI collaboration is aimed squarely at this layer, promising chips that can tightly integrate high‑voltage power and low‑voltage control on a single die while meeting stringent functional‑safety requirements. ([globenewswire.com](https://www.globenewswire.com/news-release/2026/06/29/3318663/0/en/soitec-and-zensemi-partner-to-scale-300mm-bcd-on-soi-production-for-next-generation-power-electronics.html))

This matters for the AGI race because the economics of frontier‑scale clusters hinge not just on GPU prices but on how efficiently power can be delivered, switched and conditioned. AI operators are already running up against grid limits; better power electronics buy time by squeezing more work per watt and reducing failure modes. The cross‑border nature of the deal—French substrates, Chinese specialty foundry—also shows how globalised the supply chain for AI infrastructure has become, even amid export controls.

If Soitec/ZenSemi can deliver a robust 300mm platform, they could become key suppliers not only to AI data‑center builders but also to robotics and EV OEMs that want AI‑ready electrical systems. That increases the number of non‑US, non‑Taiwanese nodes in the AI hardware stack, with both diversification and dependency implications.