IDTP9221-R15W无线电源接收解决方案

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1、IDTP9221-R15W无线电源接收解决方案时间：2017-01-1210:39:05作者：IDT来源：中电网IDT公司的P9221-R是高度集成WPC-1.2.2兼容的15W无线电源接收器，采用磁感器充电技术，接收器把谐振回路的交流(AC)电源转换成电压9V和12V的稳压DC输出•接收器包括一流的32位ARM®Cortex®-M0处理器，和发送器P9242-R一起可组成完整的无线电源系统(15W),DC对DC效率高达87%,支持I2C接口注要用在快充手机，平板电脑，电源配件和医疗电子•本文介绍了P9221-R主要特性，功能框图,应用电路以及15W评估板P922

2、1-R-EVK主要特性，电路图，材料清单和PCB设计图.TheP9221-Risahighefficiency,Qi-compliantwirelesspowerreceivertargetedforapplicationsupto15W.Usingmagneticinductivechargingtechnology,thereceiverconvertsanACpowersignalfromaresonanttankintoaregulatedDCoutputvoltagesettingwith9Vand12V.Theintegrated,lowRDS(ON)

3、synchronousrectifierandultra-lowdropouto什erhighefficiencymakingtheproductideallysuitedforbattery-operatedapplications・TheP9221-Rincludesanindustry-leading32bitARM®Cortex®-M0processorofferingahighlevelofprogrammability.Inaddition5thedevicefeaturesproprietaryalignmentguideinformationfor

4、optimumcouplingbetweenthereceiverandthetransmitter,aprogrammablecurrentlimit,andapatentedover-voltageprotectionschemeeliminatingtheneedforadditionalcapacitorsgenerallyusedbythereceivers,minimizingtheexternalcomponentcountandcost.TogetherwiththeP9242-Rtransmitter(TX),theP9221-Risacompl

5、etewirelesspowersystemsolutionforpowerapplicationsupto15W.TheP9221-Risavailableina52-WLCSPpackageanditisratedfora0to85°Cambientoperatingtemperaturerange.P9221-R主要特性：Single-chipsolutionsupportingupto15WapplicationsWPC-1.2.2compliantPatentedover-voltageprotectionclampeliminatingexternal

6、capacitors87%peakDC-to-DCefficiencywithP9242-RTXProprietarycoilalignmentguideFullsynchronousrectifierwithlowRDS(ON)switchesProgrammableoutputvoltage:9Vand12VEmbedded32-bitARM®Cortex®-M0processorDedicatedremotetemperaturesensingPowertransferLEDindicatorProgrammablecurrentlimitActive-lo

7、wenablepinforelectricalon/offOpen-draininterruptflagSupportsI2Cinterface0to+85°Cambientoperatingtemperaturerange52-WLCSP(2.64x3.94mm;0.4mmpitch)P9221-R典型应用：FastchargecellphoneTabletsAccessoriesMedicalB5T1AC1esnCOluMICOKM2AUCHXAUGNYRS/xBNtNOUTVDO51/IUMRP9ORPPGTSSCLSDAIWTGND图1.P9221-R功能

8、框图图2.