Power Supply Design Considerations for Modern FPGAs

By Dennis Hudgins, National Semiconductor
powermanagementdesignline.com (January 06, 2010)

Introduction

Today's FPGAs tend to operate at lower voltages and higher currents than their predecessors. Consequently, power supply requirements may be more demanding, requiring special attention to features deemed less important in past generations. Failure to consider the output voltage, sequencing, power on, and soft-start requirements, can result in unreliable power up or potential damage to the FPGA.

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