The Challenge: Measurement Uncertainty Obscures VRM Performance Gains
Measuring power rail transient performance in response to high current dynamic loading is essential for power integrity validation. Modern AI GPU boards can experience dynamic currents exceeding 1000 Amps (A), creating demanding validation requirements. However, these evaluations have revealed that these critical power rail measurements vary wildly based on measurement location and equipment used, creating uncertainty that obscures validation of potential gains from next-generation Voltage Regulator Module (VRM) designs and can lead to incorrect engineering decisions.
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