CMOS DC-DC converter for sensor applications

The purpose of the work delineated in this dissertation is to design a DC-DC buck (step-down) converter. Its 5V (1A for a 5Ω load) output is obtained from a 10V DC source and is controlled by means of a varying pulse-width-modulation (PWM) control signal. The DC-DC buck converter is designed on the...

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Bibliographic Details
Main Author: Chua, Geng Li
Other Authors: Shu Wei
Format: Thesis
Language:English
Published: 2017
Subjects:
Online Access:http://hdl.handle.net/10356/72576
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author Chua, Geng Li
author2 Shu Wei
author_facet Shu Wei
Chua, Geng Li
author_sort Chua, Geng Li
collection NTU
description The purpose of the work delineated in this dissertation is to design a DC-DC buck (step-down) converter. Its 5V (1A for a 5Ω load) output is obtained from a 10V DC source and is controlled by means of a varying pulse-width-modulation (PWM) control signal. The DC-DC buck converter is designed on the basis of a power CMOS 0.18μm technology, and is verified by means of computer simulations. The simulations are first performed without CMOS circuitry, with an ideal square pulse signal source, and ideal passive components – an inductor, a capacitor, and a resistor. The CMOS circuits required for the DC-DC converter are subsequently added on step-by-step to model the contribution(s) of each introduced component, particularly to ascertain how the output deviates from the ideal output signal. The said CMOS circuits added step-by-step include the basic PMOS and NMOS transistors, level-up shifter, and the progressively sized-up inverters. The final output from the DC-DC with full circuitry is simulated and compared to the ideal DC-DC converter without CMOS circuitry.
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spelling ntu-10356/725762023-07-04T15:05:30Z CMOS DC-DC converter for sensor applications Chua, Geng Li Shu Wei School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering The purpose of the work delineated in this dissertation is to design a DC-DC buck (step-down) converter. Its 5V (1A for a 5Ω load) output is obtained from a 10V DC source and is controlled by means of a varying pulse-width-modulation (PWM) control signal. The DC-DC buck converter is designed on the basis of a power CMOS 0.18μm technology, and is verified by means of computer simulations. The simulations are first performed without CMOS circuitry, with an ideal square pulse signal source, and ideal passive components – an inductor, a capacitor, and a resistor. The CMOS circuits required for the DC-DC converter are subsequently added on step-by-step to model the contribution(s) of each introduced component, particularly to ascertain how the output deviates from the ideal output signal. The said CMOS circuits added step-by-step include the basic PMOS and NMOS transistors, level-up shifter, and the progressively sized-up inverters. The final output from the DC-DC with full circuitry is simulated and compared to the ideal DC-DC converter without CMOS circuitry. Master of Science (Computer Control and Automation) 2017-08-29T03:44:06Z 2017-08-29T03:44:06Z 2017 Thesis http://hdl.handle.net/10356/72576 en 68 p. application/pdf
spellingShingle DRNTU::Engineering::Electrical and electronic engineering
Chua, Geng Li
CMOS DC-DC converter for sensor applications
title CMOS DC-DC converter for sensor applications
title_full CMOS DC-DC converter for sensor applications
title_fullStr CMOS DC-DC converter for sensor applications
title_full_unstemmed CMOS DC-DC converter for sensor applications
title_short CMOS DC-DC converter for sensor applications
title_sort cmos dc dc converter for sensor applications
topic DRNTU::Engineering::Electrical and electronic engineering
url http://hdl.handle.net/10356/72576
work_keys_str_mv AT chuagengli cmosdcdcconverterforsensorapplications