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Power Supply Solutions for Modern FPGAs

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2012, Master of Science, Ohio State University, Electrical and Computer Engineering.
Field-programmable gate arrays (FPGAs) are used in a wide variety of applications and end markets, including digital signal processing, medical imaging, and high-performance computing. This thesis outlines the issues related to powering FPGAs. Supplying and conditioning power are the most fundamental functions of an electrical system. A loading application, be it an FPGA, cannot sustain itself without energy, and cannot fully perform its functions without a stable supply. The fact is transformers, generators, batteries, and other offline supplies incur substantial voltage and current variations across time and over a wide range of operating conditions. They are normally noisy and jittery not only because of their inherent nature but also because high power switching circuits like central processing units (CPUs) and digital signal processing (DSP) circuits usually load it. These rapidly changing loads cause transient excursions in the supposedly noise free supply, the end results of which are undesired voltage droops and frequency spurs where only a dc component should exist. The main component of a power supply is a voltage regulator. The role of the voltage regulator is to convert these unpredictable and noisy supplies to stable, constant, accurate, and load independent voltages, attenuating these ill fated fluctuations to lower and more acceptable levels. Linear or switching regulators based power supplies will be proposed and simulated. 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 FPGAs.
Joanne Degroat, PhD (Committee Chair)
Yuan Zheng, PhD (Committee Co-Chair)
66 p.

Recommended Citations

Citations

  • Hassan, A. M. (2012). Power Supply Solutions for Modern FPGAs [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1338433937

    APA Style (7th edition)

  • Hassan, Amal. Power Supply Solutions for Modern FPGAs. 2012. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1338433937.

    MLA Style (8th edition)

  • Hassan, Amal. "Power Supply Solutions for Modern FPGAs." Master's thesis, Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1338433937

    Chicago Manual of Style (17th edition)