Fully Time-Based PID Controller for a High Frequency Buck Converter

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Abstract

With the shrinkage of process nodes for integrated circuits, analog circuits, like analog feedback control, have become increasingly expensive and more challenging to design. Here timebased control is a compelling alternative to traditional analog feedback control circuits due to its better scaling with the process node. Several publications about time-based PID-type controllers exist. There the PI-part is implemented in the time domain, but the D-part remains in the analog domain thereby limiting the process scaling benefits. This paper proposes a new PID structure that fully integrates the PID in the time domain. The proposed structure has improved ripple attenuation and maps directly to a typical PID. Simulations shows that the performance of the theoretical small signal controller translates well to the large signal time-based response
Original languageEnglish
Title of host publicationProceedings of 21st IEEE Interregional New Circuits and Systems Conference
Number of pages5
PublisherIEEE
Publication date2023
ISBN (Print)979-8-3503-0025-3
DOIs
Publication statusPublished - 2023
Event21st IEEE Interregional New Circuits and Systems Conference - John McIntyre Conference Centre, Edinburgh, United Kingdom
Duration: 26 Jun 202328 Jun 2023
https://2023.ieee-newcas.org/

Conference

Conference21st IEEE Interregional New Circuits and Systems Conference
LocationJohn McIntyre Conference Centre
Country/TerritoryUnited Kingdom
CityEdinburgh
Period26/06/202328/06/2023
Internet address

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