用于谐振开关电容转换器实际实现的有源调谐控制.pdf

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1、OCP Global Summit October 18,2023|San Jose,CAHaifah Sambo,Rose Abramson,Yicheng Zhu,Sahana Krishnan,Margaret Blackwell and Robert Pilawa-PodgurskiActive Tuning Control for Practical Implementations of Hybrid and Resonant Switched-Capacitor ConvertersUC Berkeley,Department of Electrical Engineering a

2、nd Computer SciencesHybrid Switched-Capacitor(SC)Converters1 Z.Ye,S.Sanders and R.C.N.Pilawa-Podgurski,“Modeling and Comparison of Passive Component Volume of Hybrid Resonant Switched-Capacitor Converters”,TPEL 2022.1)High Power Density2)High Efficiency Intermediate Bus Converter Output Options12 V

3、bus-legacy hardwareEmerging 12 V bus Opportunity for higher fixed-ratio convertersIncreased overall system efficiencyStep closer to vertical power delivery(2nd-stage)Power comes in at 48 V Shorter distance,lower I2R losses48 V Two-Stage Datacenter Architecture4 12 V busBuck:2059 mm3Pure SC:272 mm3Re

4、sonant SC:76 mm3ReSC/Pure SC:99%Buck:97%Data Center Power Delivery Architecture Intermediate Bus Converter Family1 T.Ge,Z.Ye and R.C.N.Pilawa-Podgurski,Geometrical State-Plane Analysis of Resonant Switched-Capacitor Converters:Demonstration on the Cascaded Multiresonant Converter,in IEEE Transaction

5、s on Power Electronics,vol.38,no.9,pp.11125-11140,Sept.2023.2 R.A.Abramson,Z.Ye and R.C.N.Pilawa-Podgurski,A High Performance 48-to-8 V Multi-Resonant Switched-Capacitor Converter for Data Center Applications,2020 22nd European Conference on Power Electronics and Applications(EPE20 ECCE Europe),Lyon

6、,France,2020,pp.1-10.3 R.A.Abramson,Z.Ye,T.Ge and R.C.N.Pilawa-Podgurski,A High Performance 48-to-6 V Multi-Resonant Cascaded Series-Parallel(CaSP)Switched-Capacitor Converter,2021 IEEE Applied Power Electronics Conference and Exposition(APEC),Phoenix,AZ,USA,2021,pp.1328-1334,doi:10.1109/APEC42165.2