Abstract  In this paper an overv iew of recent advances in digital control of low to mediumpower dcdc switching converters is presented
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Abstract In this paper an overv iew of recent advances in digital control of low to mediumpower dcdc switching converters is presented

Traditionally analog electronics methods have dominated in cont rolling such dcdc converters However with the steadily decreasing cost of ICs the feasibility of digitally controlled dcdc switching converters has increased significantly This paper ou

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Abstract In this paper an overv iew of recent advances in digital control of low to mediumpower dcdc switching converters is presented




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Presentation on theme: "Abstract In this paper an overv iew of recent advances in digital control of low to mediumpower dcdc switching converters is presented"— Presentation transcript:


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Abstract In this paper, an overv iew of recent advances in digital control of low- to medium-power dc-dc switching converters is presented. Traditionally, analog electronics methods have dominated in cont rolling such dc-dc converters. However, with the steadily decreasing cost of ICs, the feasibility of digitally controlled dc-dc switching converters has increased significantly. This paper outlines a sample of digital solutions for dc-dc switching converters to enhance the dynamic performance of dc-dc switching converters. Furthermore, latest research activities pertaining

to applications for dynamic performance improvement, such as controller auto-tuning, capacitor charge balance control, are discussed. These applications demonstrate the significant advantages and potentials of digital control. Index Terms Digital control technologies, Dc-dc switching converter, Capacitor charge balance control, Auto-tuning ESR Driver in A/D Converter Digital Control Law ref [n] Digital PWM Load A/D Converter e[n] [n] [n] d[n] ... ... Proceedings of the World Congress on Engineering 2011 Vol II WCE 2011, July 6 - 8, 2011, London, U.K. ISBN: 978-988-19251-4-5 ISSN: 2078-0958

(Print); ISSN: 2078-0966 (Online) WCE 2011
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Buck Converter Load e[n] in A/D ref Relay (z) DPWM d[n] Freq. Measurement Tuning Algorithm in A/D Converter Digital Control Law G (z) Digital PWM DC/DC Converter Digital Stability Margin Monitor Load c_ref m_ref Low BW MIMO Adaptive Controller c_err m_err KZ PID Coefficients Proceedings of the World Congress on Engineering 2011 Vol II WCE 2011, July 6 - 8, 2011, London, U.K. ISBN: 978-988-19251-4-5 ISSN: 2078-0958 (Print); ISSN: 2078-0966 (Online) WCE 2011
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Proceedings of the World Congress on Engineering 2011 Vol II

WCE 2011, July 6 - 8, 2011, London, U.K. ISBN: 978-988-19251-4-5 ISSN: 2078-0958 (Print); ISSN: 2078-0966 (Online) WCE 2011
Page 4
Proceedings of the World Congress on Engineering 2011 Vol II WCE 2011, July 6 - 8, 2011, London, U.K. ISBN: 978-988-19251-4-5 ISSN: 2078-0958 (Print); ISSN: 2078-0966 (Online) WCE 2011
Page 5
Proceedings of the World Congress on Engineering 2011 Vol II WCE 2011, July 6 - 8, 2011, London, U.K. ISBN: 978-988-19251-4-5 ISSN: 2078-0958 (Print); ISSN: 2078-0966 (Online) WCE 2011