NXP SSL2103 17W调光Greenchip LED驱动方案

NXPSSL210317W调光GreenchipLED驱动方案NXP公司的SSL2103是可调光GreenchipLED驱动器,支持大多数调光解决方案,内置的电流具有谷底开关,从而最优化效率,具有去磁检测,超温保护(OTP),绕组短路保护(SWP)和过流保护(OCP),主要用在LED点和串照明以及背光.本文介绍了SSL2103主要特性和优势,方框图,降压和反激配置图,以及采用SSL2103的230V(AC)17W可调光LED驱动演示板主要指标,电路图和材料清单.TheSSL2103isaSwitchedModePowerSupply(SMPS)controllerICthatoperatesincombinationwithaphasecutdimmerdirectlyfromtherectifiedmains.ItisdesignedtodriveLEDdevices.Thedeviceincludesacircuittoallowdirectstart-upfromtherectifiedmainsvoltage.Fordimmerapplications,anintegrateddedicatedcircuitryoptimizesthedimmingcurve.•SSL2101:fullyintegratedLEDdriverforlampsupto10W•SSL2102:fullyintegratedLEDdriverforlampsupto25W•SSL2103:givestheapplicationdesignerflexibilityto:UseanexternalpowerswitchtoallowtheICtoprovideanypowerUseanexternalbleedertransistorstoprovideextendeddimmerinteroperabilitySSL2103主要特性和优势:EasymigrationtoexistinglightingcontrolinfrastructureSupportsmostavailabledimmingsolutionsOptimizedefficiencywithvalleyswitchingmanagedbyabuilt-incircuitryDemagnetizationdetectionOverTemperatureProtection(OTP)Short-WindingProtection(SWP)andOverCurrentProtection(OCP)InternalVCCgenerationallowingstart-upfromtherectifiedmainsvoltageNaturaldimmingcurvebylogarithmiccorrection,downto1%SuitableforflybackandbuckapplicationsSSL2103应用:SSLapplicationswithvariouspowerrequirementsLEDmodulessuchasLEDspotsanddown-lightsLEDstringssuitableforretaildisplays,etc.图1.SSL2103方框图图2.SSL2103降压配置图图3.SSL2103反激配置图采用SSL2103的230V(AC)17W可调光LED驱动演示板ThisusermanualdescribesademoboardforevaluatinganACmainsLEDdriverwithadimmerfor17W,PAR38LEDsusingtheSSL2103.ItdescribeskeyfeaturesandconnectionstoaidthedesignofLEDdriversfortypicalapplications.ThedemoboardoperatesfromanACmainsvoltageof230V(AC).Theresultingdesignisatrade-offbetweenhigh-powerfactor,efficiencyanddimmercompatibility,combinedwithhighoutputstabilityandElectroMagneticCompatibility(EMC)compliance.17W可调光LED驱动演示板主要指标:图4.17WPAR38LED驱动演示板外形图图5.17WPAR38LED驱动演示板(230VAC)电路图17WPAR38LED驱动演示板(230VAC)材料清单:AO-Electronics傲壹电子官网：中文网：