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  • PELS
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    Length: 01:06:47
01 Feb 2024

Abstract: Modern data center processors will see power supply current levels increase from 500A to 1500A within the next few generations, driven by several factors including optimization for Artificial Neural Networks (ANNs), Cloud Computing and the persistent demand for increased data bandwidth. Conventional Power Delivery Networks (PDNs) for microprocessors are struggling to maintain power supply integrity now and will be challenged further as current levels increase by 3x, at which point each micro-ohm of resistance in the PDN will cause above 2W of thermal loss. Integrated Voltage Regulators (IVRs) can down-convert power within the microprocessor package, allowing power to be delivered through the upstream PDN at higher voltages and lower currents to reduce thermal loss. IVRs can also improve power supply regulation at the processor die, enabling power savings from reduced supply-voltage-margins, fine-grain power management and eventually Dynamical Voltage and Frequency Scaling (DVFS). This talk will discuss recent advances in Integrated Voltage Regulator (IVR) chiplets and typical integration schemes that alleviate power delivery challenges for modern and future processors.

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