Full Path PIPD Co-Simulation and Correlation with SDLE

Heng Chuan Shu; Brian Shih; Alpha Su; Bhanuprakash Nayak; Kar Leong Lee; Chin Khai Loh; Chee Yang Goh

doi:10.1109/impact67645.2025.11281655

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Full Path PIPD Co-Simulation and Correlation with SDLE

https://doi.org/10.1109/impact67645.2025.11281655

Full Path PIPD Co-Simulation and Correlation with SDLE

Oct 21, 2025
Heng Chuan Shu +6 more

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Abstract

Stardust load emulator (SDLE) is AMD’s proprietary tool that is used to validate voltage regulator (VR) power delivery (PD) design on motherboards that are dedicated to AMD’s CPU. This paper proposed a new full system simulation methodology to incorporate three major segments of design into a single framework to evaluate system performance. The simulation and lab measurement data are highly correlated with less than 3% discrepancy.