第46卷第3期2023年6月电子器件ChineseJournalofElectronDevicesVol.46No.3June2023项目来源:广西科技重大专项(桂科AA17202043-5);广西创新驱动发展专项资金项目(桂科AA19254036);广西高校中青年教师基础能力提升项目(2021KY0432,2021KY0442);北部湾大学校级教改课题电路原理精品在线课程(82/18JPC048)收稿日期:2022-01-15修改日期:2022-03-23DesignofPWMDimmingDrivingPowerSupplyControlledbySTM32∗SHENKang1,2∗,HEYongling2,WANGYuewu3,QINJinyao2,ZHUANGYuan2(1.SchoolofElectricalEngineering,GuangxiUniversity,NanningGuangxi530004,China;2.SchoolofMechanicalandMarineEngineering,BeibuGulfUniversity,QinzhouGuangxi535011,China;3.SchoolofAutomation,GuangxiUniversityofScienceandTechnology,LiuzhouGuangxi545006,China)Abstract:Dimmingtechnologyisveryimportantinlightingindustry,andensuringsmoothdimmingprocessanddimmingin100%rangeisthefocusofcurrentresearch.Akindofactivepowerfactorcorrection(APFC)PWMdrivepowersupplywithconstantcurrentandvoltagestabilizingfunctionispresented.Thepowerfactorcorrectioncircuit,constantcurrentvoltagelimitingcircuitanddimmingcircuitaredesignedandanalyzedindetail.Sincetheoutputcurrentofsin...