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1、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
2、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,CY8CLED04D02ThePow
3、erPSoCfamilyincorporatesprogrammablesystem-on-chiptechnologywiththebestinclasspowerelectronicscontrollersandswitchingdevicestocreateeasytousepower-system-on-chipsolutionsforlightingapplications.AllPowerPSoCfamilydevicesaredesignedtoreplacetraditionalMCUs,systemICs,andthenumerousdiscretecom
4、ponentsthatsurroundthem.PowerPSoCdevicesfeaturehighperformancepowerelectronicsincluding1A2MHzpowerFETs,hystereticcontrollers,currentsenseamplifiers,andPrISM/PWMmodulatorstocreateacompletepowerelectronicssolutionforLEDpowermanagement.Configurablepower,analog,digital,andinterconnectcircuitry
5、enablesahighlevelofintegrationinahostofindustrial,commercial,andconsumerLEDlightingapplications.Thisarchitectureintegratesprogrammableanaloganddigitalblockstoenabletheusertocreatecustomizedperipheralconfigurationsthatmatchtherequirementsofeachindividualapplication.Additionally,thedeviceinc
6、ludesafastCPU,Flashprogrammemory,SRAMdatamemory,andconfigurableI/Oinarangeofconvenientpinoutsandpackages.ThePowerPSoCarchitecture,asillustratedintheblockdiagrams,comprisesfivemainareas:PSoCcore,digitalsystem,analogsystem,systemresources,andpowerperipheralswhichincludepowerFETs,hystereticco
7、ntrollers,currentsenseamplifiers,andPrISM/PWMmodulators.Configurableglobalbusingcombinesallthedeviceresourcesintoacompletecustomsystem.ThePowerPSoCfamilyofdeviceshave10-portI/Osthatconnecttotheglobaldigitalandanaloginterconnects,providingaccesstoeightdigitalbl