Cypress PowerPSoC智能LED驱动方案

CypressPowerPSoC智能LED驱动方案Cypress公司的PowerPSoC智能LED驱动器系列包括CY8CLED04G01,CY8CLED03G01,CY8CLED03D01,CY8CLED03D02,Y8CLED04D01和CY8CLED04D02等六种器件.PowerPSoC系列集成了可编程的系统级芯片和业界最好的功率电子控制器以及开关器件,可以替代传统的MCU,系统IC和众多的分立器件.PowerPSoC具有高性能的功率电子特性,包括1A2MHz功率FET,滞后控制器,电流检测放大器,和PrISM/PWM调制器,从而组成完整的LED电源管理的解决方案.广泛应用在舞台LED照明,建筑LED照明,通用LED照明,汽车和救护车LED照明,风景区LED照明,显示器LED照明和信号LED照明等.本文介绍了PowerPSoC系列主要特性,架构方框图,逻辑方框图以及具有RGGB混色配置的LED照明应用框图,具有RGBA混色驱动外接MOSFET的LED照明应用框图以及单路升压驱动三个浮动负载降压通路的LED照明应用框图.PowerPSoCIntelligentLEDDriverCY8CLED04G01,CY8CLED03G01,CY8CLED03D01,CY8CLED03D02,Y8CLED04D01,CY8CLED04D02ThePowerPSoCfamilyincorporatesprogrammablesystem-on-chiptechnologywiththebestinclasspowerelectronicscontrollersandswitchingdevicestocreateeasytousepower-system-on-chipsolutionsforlightingapplications.AllPowerPSoCfamilydevicesaredesignedtoreplacetraditionalMCUs,systemICs,andthenumerousdiscretecomponentsthatsurroundthem.PowerPSoCdevicesfeaturehighperformancepowerelectronicsincluding1A2MHzpowerFETs,hystereticcontrollers,currentsenseamplifiers,andPrISM/PWMmodulatorstocreateacompletepowerelectronicssolutionforLEDpowermanagement.Configurablepower,analog,digital,andinterconnectcircuitryenablesahighlevelofintegrationinahostofindustrial,commercial,andconsumerLEDlightingapplications.Thisarchitectureintegratesprogrammableanaloganddigitalblockstoenabletheusertocreatecustomizedperipheralconfigurationsthatmatchtherequirementsofeachindividualapplication.Additionally,thedeviceincludesafastCPU,Flashprogrammemory,SRAMdatamemory,andconfigurableI/Oinarangeofconvenientpinoutsandpackages.ThePowerPSoCarchitecture,asillustratedintheblockdiagrams,comprisesfivemainareas:PSoCcore,digitalsystem,analogsystem,systemresources,andpowerperipheralswhichincludepowerFETs,hystereticcontrollers,currentsenseamplifiers,andPrISM/PWMmodulators.Configurableglobalbusingcombinesallthedeviceresourcesintoacompletecustomsystem.ThePowerPSoCfamilyofdeviceshave10-portI/Osthatconnecttotheglobaldigitalandanaloginterconnects,providingaccesstoeightdigitalblocksandsixanalogblocks.TheCY8CLED04D0XisthefirstproductinthePowerPSoCfamilytointegratepowerperipheralstoaddfurtherintegrationforyourpowerelectronicsapplications.ThePowerPSoCfamilyofintelligentpowercontrollerICsareusedinlightingapplicationsthatneedtraditionalMCUsanddiscretepowerelectronicssupport.ThepowerperipheralsoftheCY8CLED04D0Xincludefour32VpowerMOSFETswithcurrentratingsupto1Aeach.ItalsointegratesgatedriversthatenableapplicationstodriveexternalMOSFETsforhighercurrentandvoltagecapabilities.Thecontrollerisaprogrammablethresholdhystereticcontroller,withuser-selectablefeedbackpathsthatusestheICincurrentmodefloatingloadbuck,boost,andfloatingloadbuck/boostconfigurations.PowerPSoC系列主要特性:IntegratedpowerperipheralsFourinternal32VlowsideN-ChannelpowerFETsRDS(ON)–0.5Ωfor1.0AdevicesUpto2MHzconfigurableswitchingfrequencyFourhystereticcontrollersIndependentlyprogrammableupperandlowerthresholdsProgrammableminimumon/offtimersFourlowsidegatedriverswithprogrammabledrivestrengthFourprecisionhighsidecurrentsenseamplifiersThree16-bitLEDdimmingmodulators:PrISM,DMM,andPWMSixfastresponse(100ns)voltagecomparatorsSix8-bitreferenceDACsBuilt-inswitchingregulatoreliminatesexternal5VsupplyMultipletopologiesincludingfloatingloadbuck,floatingloadbuck-boost,andboostM8CCPUcoreProcessorspeedsupto24MHzAdvancedperipherals(PSoCBlocks)CapacitivesensingapplicationcapabilityDMX512interfaceDALIinterfaceI2CmasterorslaveFull-duplexUARTsMultipleSPImastersorslavesIntegratedtemperaturesensorUpto12-bitADCs6to12-bitincrementalADCsUpto9-bitDACsProgrammablegainamplifiersProgrammablefiltersandcomparators8to32-bittimersandcountersComplexperipheralsbycombiningblocksConfigurabletoallGPIOpinsProgrammablepinconfigurations25mAsinkonallGPIOandfunctionpinsPullup,pulldown,highZ,strong,oropendraindrivemodesonallGPIOandfunctionpinsUpto10analoginputsonGPIOTwo30mAanalogoutputsonGPIOConfigurableinterruptonallGPIOFlexibleon-chipmemory16KFlashprogramstorage50,000eraseandwritecycles1KSRAMdatastorageIn-SystemSerialProgramming(ISSP)PartialFlashupdatesFlexibleprotectionmodesEEPROMemulationinFlashCompletedevelopmenttoolsFreedevelopmentsoftware:PSoCDesigner5.0Fullfeatured,In-CircuitEmulatorandProgrammerFullspeedemulationComplexbreakpointstructure128kBytestracememoryVisualembeddeddesignLEDbasedexpressdriversBinningcompensationTemperaturefeedbackPowerPSoC应用:StageLEDlightingArchitecturalLEDlightingGeneralpurposeLEDlightingAutomotiveandemergencyvehicleLEDlightingLandscapeLEDlightingDisplayLEDlightingEffectsLEDlightingSignageLEDlightingDeviceoptionsCY8CLED04D0xFourinternalFETswith0.5Aand1.0AoptionsFourexternalgatedriversBuilt-inswitchingregulatorCY8CLED03D0xThreeinternalFETswith0.5Aand1.0AoptionsThreeexternalgatedriversBuilt-inswitchingregulatorCY8CLED04G01FourexternalgatedriversBuilt-inswitchingregulatorCY8CLED03G01ThreeexternalgatedriversBuilt-inswitchingregulator56-pinQFNPackage图1.PowerPSoC架构方框图AO-Electronics傲壹电子官网：中文网：逻辑方