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Title:Modeling of a buck converter with fast load transient auxiliary circuit for CPUs
Author(s):Silva, Sergio
Advisor(s):Hanumonlu, Pavan K
Department / Program:Electrical & Computer Eng
Discipline:Electrical & Computer Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:M.S.
Genre:Thesis
Subject(s):Buck converter, load transient, CPU, Verilog-AMS, circuits
Abstract:In a buck converter, the output capacitance is the dominant factor that determines the magnitude of overshoot/undershoot in the supply voltage during a load transient. In applications such as powering a CPU, the CPU can make computational predictions for its future supply current levels which can be used to inform the power converter of future load transients. With information about future load transients, an auxiliary circuit can be used to deliver the needed energy to the load at the time of the informed load transient. With a communication scheme between the CPU and power supply, the power supply load transient response can be optimized allowing for a reduction in the total output capacitance, board space, and cost.
Issue Date:2020-05-15
Type:Thesis
URI:http://hdl.handle.net/2142/108075
Rights Information:Copyright 2020 Sergio Silva
Date Available in IDEALS:2020-08-26
Date Deposited:2020-05


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