Infineon acquires C2i Semiconductors for AI power push ... - eeNews Europe

Infineon's C2i acquisition is not a product fill-in—it is a strategic bid to define the AI data center's energy architecture. Technical ripple: With GPU TDPs exceeding 1000W, the 0.8V/1000A last-mile delivery chain is now the cluster's efficiency ceiling. C2i's depth in high-current DC-DC conversion and intelligent power stages plugs Infineon's gap from automotive into data center end-stage delivery. This cascades upstream to SiC/GaN device selection, midstream magnetics design, and downstream 800V DC bus topology. Whoever owns the terminal power IC sets the efficiency envelope for next-generation AI infrastructure. Compliance exposure: A German cross-border deal will likely trigger EU FDI screening. If C2i holds export-controlled power IP, the deal structure may require product-line carve-outs. Relocating production to Malaysia or Germany introduces new geopolitical supply-chain fragility. Competitive response: The real adversary is ADI, whose Linear/Maxim integration already dominates high-end server power. MPS will likely ship a counter-product within six months; TI will accelerate JFET migration toward AI workloads. Forward look: Expect two to three comparable M&A events in AI power within 18 months, and 800V DC architecture moving from lab to volume production. If integration executes cleanly, Infineon's AI power IC share could jump from under 5% to 12%+ by 2026—contingent on IP fusion and quality-system transition within 12 months.