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Study on high-frequency digitally controlled boost converter

Abstract : This paper presents a completely digitally controlled high-frequency boost converter. The research focuses on the two key modules: Digital Pulse-Width Modulation (DPWM) and digital control-law. The proposed hybrid DPWM architecture, which takes advantage of Digital Clock Manager (DCM) phase-shift characteristics available in FPGA resource and combines a counter-comparator with a digital dither block, is introduced firstly, and then a digital control algorithm is designed. Finally, based on a Xilinx Virtex-II Pro FPGA board with 32MHz hardware clock, an 11-bit DPWM and a digital controller are implemented for a boost converter. The performance of the converter is validated by experimental results. © 2010 Springer-Verlag.
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Submitted on : Wednesday, November 24, 2010 - 5:54:33 PM
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Yanxia Gao, Yanping Xu, Shuibao Guo, Xuefang Lin-Shi, Bruno Allard. Study on high-frequency digitally controlled boost converter. Communications in Computer and Information Science, Springer Verlag, 2010, 97 (1), pp.251-258. ⟨10.1007/978-3-642-15853-7_32⟩. ⟨hal-00539629⟩



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