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Nov 5 2021

Power Integrity: Ensuring Robust End-to-End Power Delivery

ECE 595 Department Seminar Series

November 5, 2021

11:00 AM - 12:00 AM




Chicago, IL 60706

Power Integrity: Ensuring Robust End-to-End Power Delivery

Presenter: Gregory Sizikov, Google LLC

Abstract: A robust power delivery solution for high-performance microprocessors (xPUs, FPGA, ASIC etc.) requires voltage at the active junction to be within the specified range to ensure timing closure, and also requires the VR and PDN to support ever- increasingly complex power management features. The source of power comes from conversion circuitry, which usually transforms higher voltage to a much more granularly regulated form lower than 1V DC in most cases, and then distributed through board, package and on-die network and decoupling all the way to the active circuits. In the past, power designers and signal/power integrity engineers have worked together to address the conversion and distribution challenges in frequencies ranging from KHz to GHz, but the methodologies used by the two groups are decoupled. In today’s high-performance computing processors, many of which are used in machine learning, artificial intelligence and cloud applications, we have seen transformations of computing architecture that result in changes in power demand signatures, and thus call for new ways of power delivery solutions. To address these new challenges, a holistic approach that combines power conversion together with power integrity design becomes a must. In this presentation, learn about the risks and opportunities in this area, and Google's considerations in practical designs.

Speaker bio: Gregory Sizikov is a senior hardware engineering manager at Google LLC in Sunnyvale, California. He is responsible for Google Cloud technical infrastructure power integrity development and compliance engineering. Prior to Google, Gregory worked at Intel in microprocessors development. He holds a MSC degree in electrical engineering from the Technion, Israel.

Faculty host: Inna Partin-Vaisband,

This lecture will not be recorded. Please contact the department for login information.



Department of Electrical and Computer Engineering

Date posted

Nov 3, 2021

Date updated

Nov 11, 2021