ChaiYong Lim, Debashis Mandal, B. Bakkaloglu, S. Kiaei
{"title":"Switching Battery Charger with Cascaded Two Loop Control Using Time-Based Techniques","authors":"ChaiYong Lim, Debashis Mandal, B. Bakkaloglu, S. Kiaei","doi":"10.1109/APEC42165.2021.9487236","DOIUrl":null,"url":null,"abstract":"This paper presents a Lithium-ion battery switching charger control chip with cascaded two loop time-domain controller. The proposed time-domain controller achieves seamless transition between constant-current (CC) mode and constant-voltage (CV) mode, and simplifies the controller design. The proposed switching charger control chip is designed and fabricated in TSMC 0.18 μm BCD technology. The input voltage range is from 5 V to 10 V, the battery voltage range is from 2.7 V to 4.2 V and the maximum charging current is 2.0 A. Measured results show that the proposed charger achieves maximum power efficiency of 93.3% at 1.0 A of charging current.","PeriodicalId":7050,"journal":{"name":"2021 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE Applied Power Electronics Conference and Exposition (APEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APEC42165.2021.9487236","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
This paper presents a Lithium-ion battery switching charger control chip with cascaded two loop time-domain controller. The proposed time-domain controller achieves seamless transition between constant-current (CC) mode and constant-voltage (CV) mode, and simplifies the controller design. The proposed switching charger control chip is designed and fabricated in TSMC 0.18 μm BCD technology. The input voltage range is from 5 V to 10 V, the battery voltage range is from 2.7 V to 4.2 V and the maximum charging current is 2.0 A. Measured results show that the proposed charger achieves maximum power efficiency of 93.3% at 1.0 A of charging current.
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