{"title":"8.3 A 10.9W 93.4%-Efficient (27W 97%-Efficient) Flying-Inductor Hybrid DC-DC Converter Suitable for 1-Cell (2-Cell) Battery Charging Applications","authors":"Casey Hardy, Hanh-Phuc Le","doi":"10.1109/ISSCC.2019.8662432","DOIUrl":null,"url":null,"abstract":"The annual increase in performance and feature density of mobile products has driven the need for batteries with higher capacity and thus higher power-delivery solutions to maintain sensible charging times. The USB-C power-delivery specification was developed to meet these higher demands by enabling the input supply VBUS voltage at a higher setting, e.g., 9V, to allow higher power delivery, up to 100W, while minimizing current levels and associated IR drops across the USB-C cable. To bridge the increased gap from this input voltage to charge one-and two-cell battery products, a power-and space-efficient DC-DC converter is desirable.","PeriodicalId":265551,"journal":{"name":"2019 IEEE International Solid- State Circuits Conference - (ISSCC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"16","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 IEEE International Solid- State Circuits Conference - (ISSCC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSCC.2019.8662432","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 16
Abstract
The annual increase in performance and feature density of mobile products has driven the need for batteries with higher capacity and thus higher power-delivery solutions to maintain sensible charging times. The USB-C power-delivery specification was developed to meet these higher demands by enabling the input supply VBUS voltage at a higher setting, e.g., 9V, to allow higher power delivery, up to 100W, while minimizing current levels and associated IR drops across the USB-C cable. To bridge the increased gap from this input voltage to charge one-and two-cell battery products, a power-and space-efficient DC-DC converter is desirable.
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