Application Considerations of Multiphase
Monolithic Buck Regulators with Coupled Inductors
Name
nguyen-unguyen2-meng-eecs-2023-thesis.pdf
Description
Thesis PDF
Size
7.33 MB
Format
Adobe PDF
Checksum (MD5)
0f3a09476b006ebd38edddd266b09421
Author(s)
Nguyen, My Uyen Tran
Advisor(s)
Perreault, David J.
Liang, Xinyu
Date Issued
June 2023
Publisher
Massachusetts Institute of Technology
Abstract
Power delivery requirements for computing applications have continuously grow over the years to keep up with more complex and demanding processing capabilities. The electronics industry increasingly see up to and beyond 100A power rail and microseconds transient recovery requirements for applications in wireless, healthcare, defense, industrial, and automotive industries. This thesis investigates multiphase design and application for monolithic buck switching regulators to multiply output current for low-voltage and power-intensive applications. In particular, the research incorporates coupled inductors to take advantage of its magnetic coupling between different phases to achieve minimal output ripples and ultra-fast transient response. The results of this research emphasize performance differences in control loop and transient response, output ripple, efficiency, and thermal performance when using discrete and coupled inductors at fixed output capacitance in a multiphase step-down application.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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