NDLI: The Switch-Mode Flying-Capacitor DC–DC Converters With Improved Natural Balancing

Content Provider	IEEE Xplore Digital Library
Author	Stala, R.
Copyright Year	1982
Abstract	This paper presents investigations of voltage-sharing stabilization with the use of passive RLC circuit in switch-mode flying capacitor DC-DC converters. Practical and simulation results and also a mathematical analysis of the balancing process in boost and buck-boost converters are presented. Analyzed converters use additional capacitors (flying capacitors), charged to proper value, for decreasing the voltage on switches and increasing the inductor-current frequency. Such advantages are achieved under proper voltage sharing on the flying capacitors. The voltages are stabilized in a natural way by the load current and with the use of external RLC circuit to force the current that flows through the converters' capacitors under unbalance state. This paper focuses on the analysis of the balancing phenomenon with the use of the external RLC circuit in these topologies. The balancing booster improves the balancing process in these converters, making it independent of the load. It can also reduce oscillations that arise in the converters in transient states.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	1369
Ending Page	1382
Page Count	14
File Size	3840823
File Format	PDF
ISSN	02780046
Volume Number	57
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Switching converters Voltage RLC circuits Switching circuits Switched capacitor circuits DC-DC power converters Analytical models Circuit simulation Mathematical analysis Switches multilevel systems Circuit topology dc–dc power conversion
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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