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Analysis and Optimization of Switched-Capacitor DC–DC Converters
Abstract
Analysis methods are developed that fully determine a switched-capacitor (SC) dc-dc converter's steady-state performance through evaluation of its output impedance. This analysis method has been verified through simulation and experimentation. The simple formulation developed permits optimization of the capacitor sizes to meet a constraint such as a total capacitance or total energy storage limit, and also permits optimization of the switch sizes subject to constraints on total switch conductances or total switch volt-ampere (V-A) products. These optimizations then permit comparison among several switched-capacitor topologies, and comparisons of SC converters with conventional magnetic-based dc-dc converter circuits, in the context of various application settings. Significantly, the performance (based on conduction loss) of a ladder-type converter is found to be superior to that of a conventional magnetic-based converter for medium to high conversion ratios.
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Cited by
Forouzesh, M., Siwakoti, Y. P., Gorji, S. A., Blaabjerg, F., & Lehman, B. (2017) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2017.2652318 · Cited by 2,123
The Road to Fully Integrated DC–DC Conversion via the Switched-Capacitor Approach
Sanders, S. R., Alon, E., Le, H.-P., Seeman, M. D., John, M., & Ng, V. W. (2013) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2012.2235084 · Cited by 311
Self-citationResonant Switched-Capacitor Converters for Sub-module Distributed Photovoltaic Power Management
Stauth, J. T., Seeman, M. D., & Kesarwani, K. (2013) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2012.2206056 · Cited by 287
Self-citationCharthad, J., Weber, M. J., Chang, T. C., & Arbabian, A. (2015) · IEEE Journal of Solid-State Circuits · doi:10.1109/jssc.2015.2427336 · Cited by 245
A Novel Switched-Capacitor Converter With High Voltage Gain
Xie, H., & Li, R. (2019) · IEEE Access · doi:10.1109/access.2019.2931562 · Cited by 50
Metadata
- Authors
- Seeman, M. D., & Sanders, S. R.
- Venue
- IEEE Transactions on Power Electronics
- Published
- 2008-03
- Volume
- 23
- Issue
- 2
- Pages
- 841-851
- ISSN
- 0885-8993 (ISSN-L)
- OpenAlex
- W2101987266
- Cited by
- 1,053
- References
- 0
- FWCI
- 25.70
- Type
- journal article
- Language
- en
- Open access
- closed
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