Infineon Technologies AG is set to acquire Bengaluru-based semiconductor startup C2i Semiconductors, strengthening its capabilities in power management and power delivery solutions for AI data centres. The transaction is expected to close in the third quarter of calendar year 2026.
C2i Semiconductors specialises in software-defined multiphase controllers and smart power stages designed for the demanding power requirements of modern AI infrastructure. The acquisition comes at a time when increasingly powerful AI processors are creating new challenges for data-centre operators, particularly around how electricity can be delivered efficiently and reliably to high-performance chips.
From the grid to the processor
C2i takes a system-level approach to what is commonly known as “grid-to-core” power delivery—the complete journey of electricity from the electrical grid through the data-centre power infrastructure and ultimately down to the processor core.
This is becoming increasingly important as AI accelerators and processors consume more power and their workloads fluctuate rapidly. AI systems can create sudden changes in power demand depending on the workload being processed, requiring power-delivery infrastructure that can respond quickly while maintaining efficiency and stability.
C2i’s technology combines traditional power semiconductors with digital controls and software algorithms, allowing power conversion and regulation to be adjusted dynamically according to changing requirements.
Rather than simply delivering a fixed amount of power, software-defined systems can intelligently respond to variations in processor workloads.
Why this matters for AI data centres
AI data centres are becoming substantially more power-intensive as companies deploy larger AI models and increasingly powerful accelerators. This means that power delivery is becoming a critical part of overall AI infrastructure.
Even a highly capable processor cannot operate efficiently if the power infrastructure surrounding it cannot respond quickly enough to changing loads.
C2i’s technology is therefore aimed at solving an increasingly important problem: how to deliver large amounts of electricity to AI processors with greater efficiency, responsiveness and stability.
The company’s software-defined approach could help optimise power delivery at different stages of the system, potentially reducing inefficiencies and improving the performance of future AI computing infrastructure.
Infineon adds software intelligence to its power portfolio
Infineon already has a major presence in power semiconductor technologies, including solutions based on silicon, silicon carbide and gallium nitride, as well as products designed for vertical power delivery.
By acquiring C2i, Infineon will add specialised software-defined power management and system-level architecture capabilities to this existing portfolio.
The combination could allow Infineon to develop more adaptive power-delivery solutions specifically designed around the rapidly changing requirements of AI processors.
The companies also expect the combined technologies to contribute to the development of future substrate-integrated voltage regulators, which could bring power regulation even closer to high-performance processors.
Bengaluru to become a digital power centre
The acquisition also highlights the growing importance of India—particularly Bengaluru—in the global semiconductor and AI infrastructure ecosystem.
Infineon said the transaction will create a new centre of excellence for digital power technologies in India, bringing C2i’s engineering expertise into its global technology organisation.
C2i was founded with the goal of making power-delivery systems more intelligent and addressing the growing energy requirements of AI infrastructure.
Its integration into Infineon will give the Bengaluru team access to Infineon’s semiconductor technologies, manufacturing capabilities and global customer network, potentially allowing C2i’s technology to be developed and commercialised on a much larger scale.
A strategic move as AI power demand rises
The acquisition reflects a broader shift in the AI infrastructure industry.
The AI hardware race is no longer focused only on developing faster GPUs, CPUs or accelerators. As computing systems become larger and more power-hungry, electricity management itself is becoming a critical technology layer.
Companies building AI data centres increasingly need solutions that can manage power from the grid all the way to individual processor cores while maintaining efficiency and reliability.
For Infineon, C2i provides expertise in exactly this area. The company expects the acquisition to strengthen its position in AI data-centre power solutions, expand its capabilities in next-generation vertical power delivery and accelerate the development of digitally controlled power architectures.
The deal therefore represents more than the acquisition of a Bengaluru semiconductor startup—it is a strategic push into one of the most important challenges facing the next generation of AI infrastructure: delivering enough power to increasingly powerful processors, intelligently and efficiently.
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