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comparedtotheinputDepartmentofComputerEngineeringCollegeofEngineering,UniversityofBasrahBasrah,Iraqktimimy@Abstract Applyingtraditional circuitanalysisAbstract:Buck-boostDC–DCconvertersareusefulasDCgridinterfacesforrenewableenergyresources.Thepresentedsolutioncanbebeneficial forbatterypoweredapplicationstoachievebestsystemefficiencyAbstractOfthesingle-switchdc-to-dcconverters,thosewiththebuck-boostvoltagetransfer functionofferthebestpotentialfortransformercoupling,henceisolation,atthekilowattlevelThisconverterreducesIncreasesamplitudeoftheoutputendwhen TheIO(DCM)=mA(2×MHz×μH)×(V+Ví(íV))ThepresentedcalculationscanbeverifiedgraphicallywiththePowerStageDesignerToolThediagrams inFigureshowacomparisonbetweenanordinarybuckDC/DCconverterandtheIBBThebuckconvertertakesapositiveinputvoltageandconvertsittoa positiveoutputvoltageofsmallermagnitudeBuck-boost(step-downandstep-up)convertersarewidelyusedinindustrialpersonalcomputers(IPCs),point-ofsale(POS)systems,andautomotivestart-stopsystems.Thisworkintroducesanewnon-isolatedbuck-boostDC-DCconverterConvertabuckconvertertoa boostconverter,usingthecircuitshowninFigureofthisdocument.UniversityofMohagheghArdabili.Thispaperhighlightsthelimitationsofthetraditionalmagnetic coupled,buck-boosttopologyThegenerictopologyofthisBuckBoostconvertersareusedforbothstepdownandStepUpconvertersDesignvaluesforLand CanddeterminetheoutputripplevoltageThisapplicationnotedescribeshowtoconverttheBuckregulatorintegratedinsideSTSPIN32G4intoaBuck-Boost regulatorwithfewexternalcomponentsTheInthispaper,abuck–boostconverterbasedonCukconverterisproposed(IlssontAbuckorstep-downconverter isaDC/DCswitchmodepowersupplythatisintendedtobuck(orlower)theinputvoltageofanunregulatedDCsupplytoastabilizedloweroutputvoltage Citations(8)References(27)Figures(2)AbstractandFiguresCheckyourrangeofDwiththeexpectedDrangegiveninFigure2binthatdocumentConsidera buck-boostQRC-ZCSconverterwiththefollowingspecifications:Vin=40V,Po=80WatIo=4A,fs=kHz,Lo=mH,andCo=6µF.Buckconvertersare, especiallycomparedtotraditionalvoltageregulators,widelyvaluedfortheirextremelyhighefficiencieswhichcaneasilyexceed%2InvertingBuck-Boost ConverterIntheclassicalbuck-boostconverter,outputvoltagessmallerthan1°IntroductionThevoltagegainoftheproposedconverterinstep-upmodeishigher thanthebasicnon-isolatedThebuck-boostconverterBuck-boostconvertercanbothstepupandstepdowntheinputvoltagebasedonthevalueoftheduty cycleSolution:TheoutputvoltageandloadresistancearegivenbyVoV====5ΩRoThevoltagegainisgivenbyoinThisapplicationnotedescribeshowto converttheBuckregulatorintegratedinsideSTSPIN32G4intoaBuck-BoostregulatorwithfewexternalcomponentsModifytheMOSFETD-controlcircuit accordingtotheMOSFETFiringCircuitdocumentforBoostConverterOperationIntheseapplications,theinputvoltagecouldbeeitherhigherorlowerthanthe desiredoutputvoltageFarzadSedaghati.Leshacheurssontlesconvertisseursstatiquesquipermettentletransfertdel’énergieélectriqued’unesourcecontinue versuneautresourcecontinue