Vikram Sekar/Power Delivery As The Next Physics Wall In AI Datacenters

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Power Delivery As The Next Physics Wall In AI Datacenters

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The physics of resistance are forcing AI datacenters to abandon 48V for 800V DC. This analysis maps the emerging power conversion architectures, dissects engineering trade-offs (isolation, efficiency, regulation), and identifies the clear near-term and long-term architecture winners.

Contents

  • The physics of resistance have created an unavoidable "wall." Discover the fundamental constraint forcing AI datacenters to abandon the legacy 48V system.

  • Unpack the three massive implications—current, copper weight, and power loss—that make 48V unworkable for next-generation AI racks.

  • From isolation to final-stage regulation, map out the critical engineering trade-offs that determine the most efficient way to step power down from 800V to the GPU core.

  • Just like co-packaged optics (CPO) conquered interconnects, power delivery is undergoing its own “Point-of-Load” (PoL) revolution.

  • Two dominant 800V conversion architectures are competing for control. See which one wins the near-term market and which is poised to be the long-term disruptor.

PowerDeliveryInAIDatacenters.epub
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PowerDeliveryIn AIDatacenters.pdf
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