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《》()2009253-1360/：82-946《200》 BoostALongLifetimeandHighEfficiencyPowerSupplyforUninterruptedOutputbasedOnSupercapacitorBAOZhi-yun:,,,;,,5V@5A,10s,,,,,。:;;;:TP303+.3:AAbstract:Alonglifetimeandhigheffiencypowersupplyforuninterruptedoutputbasedonsupercapacitorisproposedinthispaper.Theoperatinglifehasbeenimprovedbyusingsupercapcitorasmaintainingpowerandcapacitancecanbeoptimizedbyboosttopolo-gy.Theoperatetimeofthepowersupplyisabout10sunderthecondition5V@5A.Theoutputvoltagecanbeturnedoffrapidlyandmonotonicallydecreasingwhenthecapacitorundervoltage.Itcanservicemostofrequirements.Keywords:boost;supercapacitor;uninterruptedoutput;backpowersupply:1008-0570(2009)03-1-0144-021、、。(Supercapacitor)、、、、。、Boost。2。BuckBuck-Boost、、3V-5V18A~20A+5V@5A10。。5V。。2.7V220F1M。33.1Boost1boostLC。BoostMOSFET20AMOSFET。2.2uHMOSFET[4]MOSFET。MOSFET。LC。0.9uH2200uF0.1uF。1Fig.1MainPowerCircuit:144--：82-946360/《PLC200》2Fig.2ControlDriveCircuit3.2UCC2813100K2Gate1MOSFET。3Fig.3Turn-offCircuit43TL431LM3393.5V。55A、4、567。45.0V4.98VFig.4No-loadWave,averagevoltageis5.0V(L)Full-loadWave,averagevoltageis4.98V(R)52121Fig.5No-loadOutputWave(2)anddutyratioWave(1)(L)Full-loadOutputWave(2)anddutyratioWave(1)(R)6Fig.6No-loadOutputvoltagerippleWave(L)Full-loadOutputvoltagerippleWave(R)7Fig.7TheVoltageTurn-offWave5.0V-50mV5A4.98V-150mV1%5V3.5V5A10s。65V@5A10s。[1].,.2001611-14[2]Yao,Y.Y.,Zhang,D.L.,Xu,D.G.AStudyofSupercapacitorPa－rametersandCharacteristics.InternationalConferenceonPowercon2006:1-4[3]MJayalakshmi,KBalasubramanian.SimpleCapacitorstoSu－percapacitors-AnOverview.InternationalJournalofELECTRO－CHEMICALSCIENCE.2008,3:1196-1217153 145--：82-946360/GPSGIS《PLC200》56GPS、、/。GPS。(1)FPGADDS、(2)DDS(3)AD9777。[1]ElliottD.Kaplan,ChristopherJ.Hegarty.GPS().2007.7[2].VerilogHDL.2007.5[3].FPGA[J].20062-2189-190[4].[J].2004(3)1-3[5]..1992.8：(1983-)。1969-。Biography:MAZhong-zhi(1983-),male,borninBaodingcityHebeiprovince,GraduatestudentofBeiHangUniversity,Mainlyforresearchonanti-jammingalgorithmandcircuitdesignofthereceiver.(100083)(associateprofessorofBeiHangUniversity100083)MAZhong-zhiKOUYan-hong:(100083202)(:2009.01.23)(:2009.02.25)132[7].MCS-51[M].,2003[8].：1983-。。。Biography:DUHai-long(1983-),male,Dehui,Jilin.Masterdegreepostgraduate,ChangchunInstituteofOptics,FineMechanicsandPhysics,ChineseAcademyofSciences.Researcharea:digitalsignalprocessing.（130033）(100039)(130012）（ChangchunInstituteofOptics,FineMechanicsandPhysics,ChineseAcademyofSciencesChangchun,Jilin130033，Chi-na）DUHai-longMAHai-taoZHENGXi-feng(GraduateUniversityofChineseAcademyofSciences,Beijing,100039,China)DUHai-long(SchoolofCommunicationEngineering,JilinUniversity,Changchun,Jilin130012）MAHai-taoQUYin-hui：(13003320D516)(:2009.01.23)(:2009.02.25)145[4].-.:,2002.[5].Ansoft,.200812-1254-256：1976.8-Biography:BAOZhi-yun(1976.8-),Female(Manchu),Guang-DongProvince,ShenzhenPolytechnic,lecturer,Master，graduatedfromHarbinInstituteofTechnology,themainResearchareaisPowerelectronandelectricdrive.（518055）(ElectronicsandInformationEngineeringInstitute,ShenzhenPolytechnic,518055,Shenzhen518055,Guangdong,China)BAOZhi-yun：(518055)(:2009.01.23)(:2009.02.25)《PLC200》110/（）《200》55/（）:146601:100081：010-62132436010-62192616（T/F）153--