A design methodology for a digitally-controlled AC-DC SMPS for offline LED lighting applications

Mark Halton, Petar Iordanov, James Mooney, Conor McAuliffe, Paul Grogan, Marcas O'Duinn

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Today many power management applications are making the transition from analog control techniques to digital control. Digital control can accommodate greater functionality and flexibility with a potentially smaller solution size compared to analog implementations. However this move to digital control requires different design methodologies to those traditionally used in analog controller design. In this context, this simple tutorial paper aims to provide some useful insight into a design methodology that was used in the design of a digital primary-side controlled flyback SMPS offline LED driver IC for next generation lighting applications. It is proposed that adhering to the digital design methodology detailed in this paper will help ensure a direct path from simulation to "first-time-right" silicon, and this has been tested in practice for a prototype LED driver IC.

Original languageEnglish
Title of host publicationIET Conference Publications
PublisherInstitution of Engineering and Technology
Pages185-189
Number of pages5
EditionCP639
ISBN (Print)9781849199247
DOIs
Publication statusPublished - 2014
Event25th IET Irish Signals and Systems Conference, ISSC 2014 and China-Ireland International Conference on Information and Communications Technologies, CIICT 2014 - Limerick, Ireland
Duration: 26 Jun 201427 Jun 2014

Publication series

NameIET Conference Publications
NumberCP639
Volume2014

Conference

Conference25th IET Irish Signals and Systems Conference, ISSC 2014 and China-Ireland International Conference on Information and Communications Technologies, CIICT 2014
Country/TerritoryIreland
CityLimerick
Period26/06/1427/06/14

Keywords

  • Design methodology
  • Digital control
  • LED lighting
  • Switch mode power supply

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