Article
Version 1
Preserved in Portico This version is not peer-reviewed
A Twin Frequency Control DC-DC Buck Converter Using Accurate Load Current Sensing Technique
Version 1
: Received: 4 December 2023 / Approved: 4 December 2023 / Online: 4 December 2023 (15:26:50 CET)
A peer-reviewed article of this Preprint also exists.
Kok, C.L.; Siek, L. Designing a Twin Frequency Control DC-DC Buck Converter Using Accurate Load Current Sensing Technique. Electronics 2024, 13, 45. Kok, C.L.; Siek, L. Designing a Twin Frequency Control DC-DC Buck Converter Using Accurate Load Current Sensing Technique. Electronics 2024, 13, 45.
Abstract
In this paper, a buck DC-DC converter with the proposed twin frequency control scheme (TFCS) and accurate load current sensing (ALCS) have been designed and implemented with 0.18µm CMOS technology for a supply voltage ranging from 2.0-3.0V which is compatible with state-of-the-art batteries (NiCd/NiMH: 1.1-2V, Li-Ion: 2.5-4.2V). The proposed converter yields a peak efficiency of about 92.7% with a load current of 30mA. Furthermore, it only occupies a silicon area of 1.3mm2. The proposed buck converter is dedicated for smartphone applications whereby it spends most of its time in idle, low load conditions.
Keywords
DC-DC converter; Twin Frequency Control; Load Sensing; Buck Converter; Smartphone application
Subject
Engineering, Electrical and Electronic Engineering
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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