nxptea152xstarplugmini开关电源解决方案

《nxptea152xstarplugmini开关电源解决方案》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、NXPTEA152xSTARplugMini开关电源解决方案关键词：电源管理.AC/DC转换器，开关电源,SMPS,STARplugMini,NXP公司的TEA152X系列是低功耗系统的开关电源控制IC,采用高压EZ-HVSOI工艺和BiCMOS工艺制造,包括高压功率开关和直接从火线电压整流的起动电路，通用电源功率高达30W,火线电压从80V到276V,待机功耗低于100mW,主要用在充电器,适配器,STB,DVD,TV/监视器待机电源和PC外设.本文介绍了TEA152X主要特性和优势，方框图以及STARplugMini演示板主要特性和多种配置屯路图与相应的元件列表.TEA152x:SMPS

2、ICsforlow-powersystemsTheTEA152xfamilySTARplugisaSwitchedModePowerSupply(SMPS)controllerICthatoperatesdirectlyfromtherectifieduniversalmains.Itisimplementedinthehigh-voltageEZ-HVSOIprocess,combinedwithalow-voltageBipolarComplementaryMetal-OxideSemiconductor(BiCMOS)process.Thedeviceineludesahigh-vol

3、tagepowerswitchandacircuitforstart-updirectlyfromtherectifiedmainsvoltage.Adedicatedcircuitforvalleyswitchingisbuiltin,whichmakesaveryefficientslim-lineelectronicpower-plugconceptpossible.Initsmostbasicversionofapplication,theTEA152xfamilyactsasavoltagesource.Here,noadditionalsecondaryelectronicsar

4、erequired.Acombinedvoltageandcurrentsourcecanberealizedwithminimumcostsforexternalcomponents.ImplementationoftheTEA152xfamilyrendersanefficientandlowcostpowersupplysystem.TEA152x主要特性和优势：□Designedforgeneralpurposesuppliesupto30W□Integratedpowerswitch:□TEA1520X：48Q;650V□TEA1521X：24Q;650V□TEA1522X：12Q

5、;650V□TEA1523P:6.5Q650VOperatesfromuniversalACmainssupplies(80Vto276V)□Adjustablefrequencyforflexibledesign□RCoscillatorforloadinsensitiveregulationloopconstant□Valleyswitchingforminimumswitch-onloss□Frequencyreductionatlowpoweroutputmakeslowstandbypowerpossible(<100mW)□Adjustableovercurrentprotect

6、ion□Undervoltageprotection□Temperatureprotection□Short-circuitwindingprotection□Simpleapplicationwithbothprimaryandsecondary(opto)feedback□AvailableinDIP8andSOMpackagesTEA152x应用：□Chargers□Adapters□Set-TopBox(STB)□DVD□CD(R)□TV/monitorstandbysupplies□PCperipherals□Microcontrollersuppliesinhomeapplica

7、tionsandsmallportableequipment,etc.GhDPrnumbersxhoutj>afenthe$