How to Find the Elusive Dynamic Switching Current of Your FPGA Power Rail Webinar

How to Find the Elusive Dynamic Switching Current of Your FPGA Power Rail

Lower operating voltages and higher currents are making power supply margining an increasingly critical part of product development. A complete assessment of the power supply performance must include the voltage and current delivery to the load. Measuring the voltage at a field-programmable gate array (FPGA) load is not too difficult. However, current measurement at the load is not possible because of the distributed nature of the current connecting to a multipin FPGA load. Learn how PathWave ADS simulation, combined with the Infiniium oscilloscope measurement of dynamic voltage across the power delivery network (PDN), can synthesise the dynamic current at the FPGA.

Key Learning:

Optimising PDN decoupling capacitors requires dynamic current at the load.
Direct measurement of dynamic current at the FPGA pins is not possible.
Simulation from voltage measurements across the PDN can synthesise dynamic current.

Duration: 1 hour

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PRESENTER

Heidi Barnes

Signal and Power Integrity Applications Engineer

Keysight Technologies