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Bengaluru-based C2i Semiconductors has raised $16.7 million in an extended Series A round to advance power management technology for AI data centers.
Bengaluru-based deeptech startup C2i Semiconductors has extended its Series A funding round to a total of $16.7 million, supported by an oversubscribed extension featuring participation from TDK Ventures [1]. This latest injection of capital builds upon a $15 million initial tranche raised in February 2024, which was led by Peak XV Partners with additional backing from Yali Deeptech and TDK Ventures [2].
Key takeaways
C2i Semiconductors focuses on system-level power management solutions designed to optimize how electricity is delivered from the grid to processor cores in AI data centers and cloud infrastructure [1, 3]. The company’s technology stack includes the Manas Controller, a software-defined system that remains adaptable to varying processor requirements and power delivery networks [1, 2]. Additionally, the firm utilizes its Sarayu Power Stage and a modular scalability architecture to support high-current applications and voltage regulators [1, 2].
The startup asserts that its platform offers significant performance improvements over existing market solutions, which typically provide 94% power conversion efficiency [1, 2]. By reaching efficiencies exceeding 96%, C2i estimates that a 100 MW data center could realize nearly $12 million in annual energy savings while allowing processors to operate up to 4°C cooler [1]. These advancements are intended to lower heat generation and potentially extend the lifespan of AI hardware systems [1, 2].
As global demand for AI infrastructure intensifies, market estimates suggest that capital expenditure in the sector could reach between $500 billion and $600 billion over the next 12 to 18 months, with projections climbing toward $1 trillion by 2030 [1]. C2i’s focus on energy optimization addresses a critical bottleneck for data centers struggling to manage the power requirements of high-performance processors [3].
The company plans to use the fresh capital to expand its operations, build engineering capabilities, and scale global partnerships [3, 4]. While the firm faces the challenge of operating in a market heavily dependent on imported semiconductors, its efforts align with broader industry trends toward homegrown semiconductor design and specialized power management solutions within India [3].
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The facility is designed to provide in-house testing and validation for high-power radio-frequency applications, reducing reliance on external infrastructure.
It allows a single device to handle multiple functions simultaneously through double negative differential transconductance, which simplifies circuit complexity.
C2i focuses on power delivery and energy optimization for AI-powered computing infrastructure rather than manufacturing independent semiconductors.
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