German chipmaker Infineon Technologies has completed its acquisition of Bengaluru-based C2i Semiconductors, bringing the startup's digital power-management expertise into its Power Systems division for AI data centres and high-performance computing.
Infineon said in an October 5 announcement that C2i's team has joined its Power Systems division. The company did not disclose the purchase price or other financial terms. The transaction was first announced on August 24, 2026, when Infineon said it expected the deal to close during the third quarter of calendar 2026.
C2i develops software-defined multiphase controllers, smart power stages, digital control technologies and system-level power architectures. Infineon says those capabilities complement its portfolio of silicon, silicon carbide and gallium nitride power semiconductors, strengthening its ability to design power-delivery systems from the electricity grid to AI processors — including vertical power delivery and future substrate-integrated voltage regulators.
The deal also expands Infineon's engineering presence in India: the company employs about 2,800 people across multiple Indian locations and described Bengaluru as an important centre for digital power technology.
The acquisition lands as India pushes to expand its role across semiconductor design, manufacturing, assembly and research — C2i's focus on power-control technology places the deal squarely on the design and systems side of that effort.
Why it matters for founders
This is the playbook for Indian deeptech exits working: C2i built world-class design IP in a hot bottleneck (AI power delivery) and got acquired by a global major. For semiconductor and systems founders, the message is clear — deep design capability in Bengaluru is a sellable asset, and acquirers are actively shopping.