Tuesday, October 14, 2025

Renesas Fuels 800V DC AI Data Center Architecture with Advanced Power Semiconductors

Renesas Electronics Corporation is thrilled to back NVIDIA’s new 800-volt direct current (VDC) power system. This new technology can change how AI data centers use energy. It will make them more efficient and sustainable. This partnership is a big step in meeting the growing power needs from GPU-heavy AI tasks.

Innovative Power Solutions for AI Data Centers

AI applications are rising, which increases power use in data centers. Some facilities now use hundreds of megawatts. To meet these demands, we need to rethink traditional power setups. The 800V DC system is more energy-efficient and scalable. It uses wide bandgap semiconductors, like Gallium Nitride (GaN) Field-Effect Transistors (FETs). These devices switch quickly, waste less energy, and manage heat better than regular silicon parts.

Renesas’ GaN-based power solutions enable efficient DC/DC power conversion. They operate at voltages from 48V to 400V and can stack up to 800V. Using the LLC Direct Current Transformer (LLC DCX) design, these converters can reach 98% efficiency. Renesas also uses bi-directional GaN switches for the AC/DC front end. This makes rectifier designs simpler and boosts power density. REXFET MOSFETs, drivers, and controllers all work together in the BOM for these advanced DC/DC converters.

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Impact on the Semiconductor Industry

The shift to 800V DC power systems will change the semiconductor industry. Companies that specialize in wide bandgap semiconductors, such as GaN and silicon carbide (SiC), are at the forefront of this change. These materials deliver the high performance that today’s AI data centers demand.

Leading companies such as Navitas Semiconductor are paving the way forward. They are introducing new GaN and SiC devices designed for 800V DC applications. These innovations are essential for the next generation of AI computing. Given the increasing power demands, reliable and efficient power solutions are imperative.

Broader Implications for Businesses

Businesses in the semiconductor sector see both chances and challenges with the move to 800V DC architectures. Companies that invest in wide bandgap semiconductors can gain an edge in the expanding AI infrastructure market. The transition requires a lot of research and development. It also needs collaboration with industry partners. This helps ensure interoperability and standardization.

Conclusion

Renesas supports NVIDIA’s 800V DC power architecture. This shows how vital the semiconductor industry is for bettering AI data center infrastructure. Next-gen power semiconductors will help the industry meet the growing energy needs of AI. This shift will lead to more efficient and scalable data centers. The rise of 800V DC architectures is boosting innovation in the semiconductor sector. This trend will help both businesses and consumers.

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