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Practical Design Strategy for Two-phase Step up DC-DC Fibonacci Switched-Capacitor Converter

Wong, Yan Chiew and Zhou, Wei and El-Rayis, Ahmed and Haridas, Nakul and Erdogan, Ahmet and Arslan, Tughrul (2011) Practical Design Strategy for Two-phase Step up DC-DC Fibonacci Switched-Capacitor Converter. In: 20th European Conference onCircuit Theory and Design (ECCTD), 29-31 August 2011, Sweden.

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Abstract

The Fibonacci Switched-Capacitor (SC) converter demonstrates the highest performance by using minimum number of capacitors. However, as the Fibonacci SC requires a wide range of voltage rating of the devices, its implementation is difficult. This paper presents two gate driving techniques for designing and implementing two-phase Fibonacci SC converter for both low and high step-up conversion ratios. The proposed gate driving techniques only require few auxiliary transistors to provide the required boosted voltages for turning the charge transfer switches in the converter on and off. As a result, the proposed gate driving techniques reduce the design complexity and increase the reliability of the Fibonacci SC converter. Practical 8X and 5X Fibonacci SC converters are simulated and constructed based on the proposed techniques. The high conversion efficiencies achieved prove the effectiveness of the proposed techniques.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electronics and Computer Engineering > Department of Computer Engineering
Depositing User: WONG YAN CHIEW
Date Deposited: 28 Jan 2015 06:21
Last Modified: 28 May 2015 04:32
URI: http://eprints.utem.edu.my/id/eprint/13565

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