NDLI: Switched-capacitor converter configuration with low EMI emission obtained by interleaving and its large-signal modeling

Content Provider	IEEE Xplore Digital Library
Author	Siew-Chong Tan Nur, M. Kiratipongvoot, S. Bronstein, S. Lai, Y.M. Tse, C.K. Ioinovici, A.
Copyright Year	2009
Description	Author affiliation: Department of Electrical and Electronic Engineering, Holon Institute of Technology, Israel (Nur, M.; Ioinovici, A.) \|\| Department of Electronic and Information Engineering Hong Kong Polytechnic University, Hong Kong (Siew-Chong Tan; Kiratipongvoot, S.; Lai, Y.M.; Tse, C.K.) \|\| Department of Electrical Engineering, Sami Shamoon College of Engineering, Beer-Sheva, Israel (Bronstein, S.)
Abstract	The switched-capacitor converters are ideal switching-mode power supplies for portable electronic consumers due to their light weight, small size, and high power density. However, they suffer from a discontinuous input current waveform with large di/dt, what leads to significant electromagnetic interference (EMI) emission. This paper proposes a configuration of switched-capacitor converters connected in parallel with their inputs and outputs interleaved. The interleaving times are calculated by taking into account the fast capacitor-charging characteristic, and the need to have the nominal operating point on its linear part for increasing the regulation range at changes in the input voltage and load. To improve control performance and avoid the use of small-signal linearization in the control design, a large-signal approach is adopted for modeling the converter, allowing for a design of a sliding mode control.
Starting Page	1081
Ending Page	1084
File Size	1213128
Page Count	4
File Format	PDF
ISBN	9781424438273
DOI	10.1109/ISCAS.2009.5117947
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-24
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Switching converters Electromagnetic interference Interleaved codes Voltage Power engineering and energy Sliding mode control Switches Switched capacitor circuits Power supplies Educational institutions
Content Type	Text
Resource Type	Article

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