Articles

Original analysis of power integrity challenges shaping AI silicon, data center economics, and chip architecture.

Power Integrity
I_load V_dd Time (ns)
March 2026

Voltage Droop Is Becoming the Defining Constraint in Data Center Silicon

The physics of transient voltage noise now determines what frequencies chips can sustain, what margins designers must hold, and what workloads data centers can run.

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Case Study
Board PDN Package Global Grid 144 SM Cores
March 2026

Visualizing Cumulative Voltage Droop in an NVIDIA® H100: A Full Stack PDN Model

Building a complete board-to-transistor model of NVIDIA’s Hopper GPU in PDNLab, and what it reveals about the spatial distribution of voltage droop.

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Technical Article
Vdd SDC threshold Cumulative Droop silent data corruption zone waves stack
April 2026

Cumulative Voltage Droop: Why AI Silicon Needs True-Physical Power Integrity

Silent data corruption traces back to voltage droop. Traditional lumped models miss the physics. Here’s why Maxwell-accurate simulation changes everything for AI chip design.

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Analysis
Voltage wave propagation across die constructive interference
April 2026

What a Full-Stack Power Model of the H100 Reveals About AI Silicon

A 158-grid power delivery model of the NVIDIA H100 exposes the voltage droop dynamics that define the electrical limits of modern AI accelerators — including a counter-intuitive result about workload sequencing.

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Methodology
Software Workload Model Hardware Power Grid PDNLab Co-Simulation
March 2026

Software-Hardware Co-Design with PDNLab

The software running on a chip determines the electrical stress it experiences. Co-design means modeling the workload and the power grid together, before silicon exists.

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