Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/152164
Title: A continuous switching mode step-down switched-capacitor regulator with inrush current control scheme
Authors: Yu, Chengyue
Zhang, Xiang
Siek, Liter
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2017
Source: Yu, C., Zhang, X. & Siek, L. (2017). A continuous switching mode step-down switched-capacitor regulator with inrush current control scheme. 2016 International Symposium on Integrated Circuits (ISIC), 1-4. https://dx.doi.org/10.1109/ISICIR.2016.7829697
Abstract: Switched-capacitor based regulator has its unique usage in various power management applications where both small foot print and flexible current capability is required since the switched-capacitor power stage is scalable with current rating and thus opens possibility of fully on-chip implementation whereas inductor based regulator is very limited by inductor size due to the only availability of off-chip inductor that can be used by relatively low switching frequency regardless of current capability. Thus switched-capacitor based regulator is very suitable for IoT application, where multiple power rail is needed but PCB size is very limited and external components are limited. In this paper, a 1/2 step-down power stage is introduced, analyzed. Furthermore, problem with the phenomena associated with switched-capacitor regulators is described and the scheme to overcome the issue. A full regulator architecture that regulates the inrush current is introduced and simulation results shows that the output ripple is greatly reduced compared to an open loop step down switched-capacitor power stage.
URI: https://hdl.handle.net/10356/152164
ISBN: 9781467390194
DOI: 10.1109/ISICIR.2016.7829697
Rights: © 2016 IEEE. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Conference Papers

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