Infineon Technologies has completed its acquisition of C2i Semiconductors, closing a transaction that adds a specialized compound-semiconductor supplier to the German chipmaker's portfolio.

The completion, reported by EE Times Asia, marks the final step in a deal that Infineon first moved on as part of its broader push into wide-bandgap and RF power technologies. C2i Semiconductors brings capabilities in semiconductor substrates and devices built on compound materials — a class of technology that Infineon has identified as strategic for automotive, industrial and RF applications.

Why does a compound-semiconductor supplier matter to Infineon?

Infineon ranks among the world's largest suppliers of power semiconductors, with silicon carbide and gallium nitride positioned as growth pillars alongside its silicon IGBT business. Acquiring device and substrate know-how vertically strengthens Infineon's position in a market where demand for efficient power conversion — driven by electric vehicles, renewable energy and data-center power delivery — continues to expand.

For buyers and supply-chain managers, the transaction signals further consolidation in the compound-semiconductor supply base, a segment where capacity, substrate quality and process control remain the key competitive differentiators.

What happens next?

With the acquisition complete, attention shifts to integration: how quickly Infineon folds C2i's technology and team into its product roadmaps, and whether the deal translates into expanded capacity for wide-bandgap devices. Infineon has not yet disclosed integration timelines or financial terms in the reporting available.