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Energies 2014, 7(10), 6765-6782; doi:10.3390/en7106765

A Zero Input Current Ripple ZVS/ZCS Boost Converter with Boundary-Mode Control

1
Department of Vehicle Engineering, National Taipei University of Technology, 1, Sec. 3, Chung-Hsiao E. Rd., Taipei 106, Taiwan
2
UPI Semiconductor Corp., 9F, No. 5, Taiyuan 1st St., Zhubei City, Hsinchu County 302, Taiwan
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 9 August 2014 / Revised: 24 September 2014 / Accepted: 14 October 2014 / Published: 20 October 2014
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Abstract

In this paper, in order to achieve zero ripple conditions, the use of a ripple mirror (RM) circuit for the boost converter is proposed. The operation modes are studied and steady-state analyses performed to show the merits of the proposed converter. It is found that the proposed RM circuit technique can provide much better flexibility than the two-phase interleaved boost converter for locating the zero ripple operating point in the design stage. In addition, the choice of using a boundary-mode control is mainly based on the consideration of achieving both ZVS (zero voltage switching)/ZCS (zero current switching) soft-switching and constant on-time control for the converter. To verify the performance of the proposed converter, a 48 V input and 200 W/200 V output prototype is constructed. Experimental results verify the effectiveness of the proposed converter. View Full-Text
Keywords: boundary-mode control; ZVS/ZCS; boost; zero input ripple current boundary-mode control; ZVS/ZCS; boost; zero input ripple current
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lai, C.-M.; Yang, M.-J.; Liang, S.-K. A Zero Input Current Ripple ZVS/ZCS Boost Converter with Boundary-Mode Control. Energies 2014, 7, 6765-6782.

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