NDLI: Analysis and Modeling of High-Efficiency Multiphase Switched-Capacitor Converter with Variable-Phase Control

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Analysis and Modeling of High-Efficiency Multiphase Switched-Capacitor Converter with Variable-Phase Control

Content Provider	Semantic Scholar
Author	Chang, Yuen-Haw
Copyright Year	2010
Abstract	A modeling and analysis of a two-stage multiphase switched-capacitor (MPSC) converter is derived by combining a variable-phase control (VPC) and a pulse-width-modulation (PWM) technique for highefficiency step-up DC-DC conversion. In this MPSC, there are two voltage doublers in series for boosting the voltage gain up to 4 22 = at most. Here, VPC is suggested to realize a variable multiphase operation by changing phase number and topological path for more suitable level of voltage gain (4x/3x/2x/1x) so as to improve the power efficiency, especially for the lower output voltage. Further, some theoretical analysis and design include: MPSC modeling, steady-state analysis, power efficiency, conversion ratio, output ripple, capacitance selection, and stability. Finally, the MPSC is simulated, and all the results are illustrated to show the efficacy of the proposed scheme.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://ir.lib.cyut.edu.tw:8080/bitstream/310901800/9672/1/%E5%AD%B8%E5%A0%B120-%E8%B3%87-08-P401-417-990902.pdf
Language	English
Access Restriction	Open
Subject Keyword	Capacitor Device Component Converter Device Component DC-to-DC converter Deoxycytidine Electric Capacitance Low-power broadcasting Numerous Oximetry, Pulse Performance per watt Pokeweed Mitogens Premature ventricular contractions Pulse-width modulation Pumping (computer systems) Q-Switched Lasers Ripple effect Series and parallel circuits Simulation Steady state Switched capacitor Virtual private cloud pump (device) voltage width
Content Type	Text
Resource Type	Article

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