Implementation of an Integrated LC Component for the Output Filter of a Step-Down DC-DC Converter
Keywords:
Integration, LC filter, Inductor, Capacitor, Flexible Ferrite, Buck Converter.Abstract
The implementation of a fabricated integrated LC component for output filter of a low-power step-down DC-DC converter is presented in this paper. The topology of the LC filter has both inductor and capacitor stacked together in planar structure to form an integrated hybrid LC component. Flexible ferrite sheets are used for inductor magnetic core and capacitor dielectric substrate since ferrite materials combine both magnetic and dielectric properties. The use of these types of ferrite allows new filter topology to be investigated and also simplifies manufacturing process. The active part and the passive integrated LC output filter achieve a maximum power efficiency of 68% for output power of 1.2 W. Experimental results of the functioning of the converter are presented and discussed.References
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[3] Isao Kowase, Toshiro Sato, Kiyohito Yamasawa and Yoshimasa Miura, "A Planar Inductor Using Mn-Zn Ferrite/Polyimide Composite Thick Film for Low-Voltage and Large-Current DC-DC Converter", IEEE TRANSACTIONS ON MAGNETICS, VOL. 41, NO. 10, OCTOBER 2005.
[4] Salles Alain, "Conception d’éléments passifs magnétiques pour convertisseurs de faible puissance", Doctorat dissertation, Université de Toulouse III - Paul Sabatier, 2008.
[5] Qinghua Li, "A Fully-Integrated Buck Converter Design and Implementation for On-Chip Power Supplies", JOURNAL OF COMPUTERS, VOL. 7, NO. 5, MAY 2012.
[6] Makoto Takamiya, Kohei Onizuka, and Takayasu Sakurai, "3D-Structured On-Chip Buck Converter for Distributed Power Supply System in SiPs", 2008 IEEE
[7] P. Artillan, M. Brunet, D. Bourrier, J.-P. Laur, N. Mauran, L. Bary, M. Dilhan, B. Estibals, C. Alonso, and J.-L. Sanchez, "Integrated LC Filter on Silicon for DC-DC Converter Applications," IEEE Transaction on Power Electronics, vol. 26, no. 8, pp. 2319–2325, Aug. 2011.
[8] S. Coulibaly, G. Loum and K. A. Diby, "Design of Integrated LC Filter using Multilayer Flexible Ferrite Sheets", IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE), Volume 10, Issue 6 Ver. I (Nov – Dec. 2015), PP 35-43.
[9] Mahesh Gowda N M, Yadu Kiran, Dr. S.S Parthasarthy, "Modelling of Buck DC-DC Converter Using Simulink", International Journal of Innovative Research in Science, Engineering and Technology, Vol. 3, Issue 7, July 2014, pp: 14965-14975.
[10] http://circuitcalculator.com/wordpress/2006/01/31/pcb-trace-width-calculator/ [June 20, 2016]
[11] Muhammad H. RASHID, "Power Electronics Handbook", 2001 Academic Press.
[12] Majid Dadafshar, "Inductor current sensing boosts regulator efficiency", Power Electronics Technology April 2005, www.powerelectronics.com
[13] Abdolreza Esmaili and Yaser Noori Shirazi, "Combined current sensing in power electronic applications for increasing SNR ratio", International Research Journal of Applied and Basic Sciences, 2013, Vol, 5 (9), pp: 1155-1163.
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Published
2016-11-10
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Coulibaly, S., Loum, G., & Diby, K. A. (2016). Implementation of an Integrated LC Component for the Output Filter of a Step-Down DC-DC Converter. American Scientific Research Journal for Engineering, Technology, and Sciences, 26(2), 178–189. Retrieved from https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2308
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