Low transient voltage dual loop buck converter using digital charge control technique

Chin Wei Hsu, Chien Hung Tsai, Kai Yu Hu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A digital control dc-dc buck converter with dual voltage feedback loop is presented to achieve good transient performance. Unlike conventional voltage mode buck converter which uses linear controller, such as PID control, the transient response is limited by the control bandwidth and switching frequency. The proposed dual loop system adds an extra control loop with charge control technique to improve the transient response. Also, the transient output voltage of the buck converter can be suppressed under 3.5% of the output voltage. The digital controller is implemented by FPGA and power stage is implemented by PCB with discrete component. Experimental results demonstrate the superior transient output voltage over that of a conventional linear controller.

Original languageEnglish
Title of host publication2017 IEEE Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics
Subtitle of host publicationAdvancing Circuits and Systems Innovation for Connected World, PrimeAsia 2017 - Proceedings
PublisherIEEE Computer Society
Pages53-56
Number of pages4
ISBN (Electronic)9781538605240
DOIs
Publication statusPublished - 2018 Feb 2
Event2017 IEEE Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics, PrimeAsia 2017 - Kuala Lumpur, Malaysia
Duration: 2017 Oct 312017 Nov 2

Publication series

NameAsia Pacific Conference on Postgraduate Research in Microelectronics and Electronics
Volume2017-October
ISSN (Print)2159-2144
ISSN (Electronic)2159-2160

Other

Other2017 IEEE Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics, PrimeAsia 2017
CountryMalaysia
CityKuala Lumpur
Period17-10-3117-11-02

All Science Journal Classification (ASJC) codes

  • Hardware and Architecture
  • Electrical and Electronic Engineering
  • Education

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  • Cite this

    Hsu, C. W., Tsai, C. H., & Hu, K. Y. (2018). Low transient voltage dual loop buck converter using digital charge control technique. In 2017 IEEE Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics: Advancing Circuits and Systems Innovation for Connected World, PrimeAsia 2017 - Proceedings (pp. 53-56). (Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics; Vol. 2017-October). IEEE Computer Society. https://doi.org/10.1109/PRIMEASIA.2017.8280362