Key points:
- Infineon’s Power & Sensor Systems division is partnering with Nvidia to upgrade the power architecture of AI data centers with a centralized high-voltage DC power setup.
- The new 800 Volt direct current (VDC) power architecture aims to replace the outdated 54 Volt backbone, reducing power losses and increasing efficiency and reliability.
- Nvidia is working with over 50 partners to support the new 800 Volt backbone, including ecosystem support for Nvidia Kyber, which connects 576 Rubin Ultra GPUs.
A significant development is underway in the world of AI data centers, as Infineon’s Power & Sensor Systems division is teaming up with Nvidia to upgrade the outdated power architecture of these centers. The current power setup is struggling to keep up with the increasing power demands of AI processors, with GPUs consuming over 1 kW of power per chip. This has led to a significant increase in power failures, with racks now demanding an average of 500 kilowatts, up from 120 kilowatts just a few years ago.
The traditional solution of adding more power supplies to each rack is no longer viable, as it takes up valuable space and generates excessive heat. Instead, Infineon and Nvidia are proposing a centralized high-voltage DC power setup, which would convert power right at the GPU on the server board and upgrade the backbone to 800 volts. This would result in a more efficient and reliable system, with reduced power losses and heat generation.
According to Alvin Nguyen, senior analyst with Forrester Research, this new architecture makes sense given the growing power needs of AI. It would mitigate power losses, reduce the need for materials like copper, and improve reliability and serviceability. Adam White, division president of Power & Sensor Systems at Infineon Technologies, emphasized the importance of power in supporting AI, stating that "there is no AI without power."
Nvidia is fully committed to this new 800 Volt backbone, with over 50 partners gearing up to support it, including ecosystem support for Nvidia Kyber, which connects 576 Rubin Ultra GPUs. At the OCP Global Summit in Germany, numerous industry partners showcased new silicon, components, power systems, and support for 800-volt direct current (VDC) data centers. This development is expected to have a significant impact on the future of AI data centers, enabling them to support the increasing demands of AI processors while reducing power losses and improving efficiency. As Nvidia continues to push the boundaries of AI innovation, its partnership with Infineon is set to play a crucial role in shaping the future of AI data centers.
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