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A Digital PWM Controlled KY Step-Up Converter Based on Frequency Domain ΣΔ ADC
Xia Du1,2; Chi-Seng Lam1; Sai-Weng Sin1,2; Man-Kay Law1; Franco Maloberti3; Man-Chung Wong1,2; Seng-Pan U1,2,4; Rui Paulo Martins1,2,5
2017-08-03
Conference Name26th IEEE International Symposium on Industrial Electronics (ISIE)
Source PublicationIEEE International Symposium on Industrial Electronics
Pages561-564
Conference DateJUN 18-21, 2017
Conference PlaceEdinburgh, UK
CountryChina
PublisherIEEE
Abstract

This paper introduces a digital PWM control of the KY step-up converter based on frequency domain sigma-delta (ΣΔ) analog-to-digital converter (ADC), in which we deduce the mathematical modeling of the KY step-up converter and the frequency-domain digitization technique based on the first-order non-feedback sigma-delta frequency discriminators (NF-SDFD). Then, the digital control of the KY converter with voltage control oscillator (VCO), NF-SDFD, cascaded integrator comb (CIC) decimator, PID compensator and digital pulse width modulation (DPWM) generator has been successfully built in MATLAB Simulink for verification. This modeling work is useful in the design of a low power digital controlled KY step-up converter with low output voltage ripple and fast transient response.

KeywordFrequency Domain Sigma-delta Adc Ky Converter Digital Control
DOIhttps://doi.org/10.1109/ISIE.2017.8001307
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000426794000087
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Citation statistics
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Faculty of Science and Technology
INSTITUTE OF MICROELECTRONICS
Affiliation1.State Key Laboratory of Analog and Mixed-Signal VLSI, University of Macau, Macao, China
2.Department of ECE, Faculty of Science and Technology, University of Macau, Macao, China
3.Department of Electrical, Computer and Biomedical Engineering, University of Pavia, Pavia, Italy
4.Synopsys Macau Ltd.
5.Instituto Superior Técnico/Universidade de Lisboa, Portugal
First Author AffilicationUniversity of Macau;  Faculty of Science and Technology
Recommended Citation
GB/T 7714
Xia Du,Chi-Seng Lam,Sai-Weng Sin,et al. A Digital PWM Controlled KY Step-Up Converter Based on Frequency Domain ΣΔ ADC[C]:IEEE,2017:561-564.
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