大功率LED驱动芯片介绍

2008/1/151大功率LED驱动芯片介绍BYJackenZhang(K3672)2008/1/152ContentsLightingProductsDCtoDCsection•28V(MAX)/350mAStep-downLEDdriver—CAT4201•350mAStep-upLEDdriver—CAT4240•1A/25vNoinductorLEDDriver—CAT4101•3-CH25V/175mARGBLEDDriver—CAT4103•4-BitPower-LEDDriver—STP04CM596•25V4*175mAHighcurrentLEDDriver—CAT4104•HighbrightnesswhiteLEDDriver–TPS61165•1.5A/40VDC/DCconverter—NCP3063•1.5A/40VLEDdriver—NCP3065•LowCostAnalogLEDdriver--NCP4001•HighVoltageHighCurrentLEDDriver—NUD4301•LowVoltageLEDDriver—NCP1100•LowVoltageHighCurrentLEDDriver—NCP1421ACtoDCsection•1-4WAC/DCLEDdriver—ACT35•IntegratedMOSFETLEDDriver–NCP1014/27•HighVoltageLEDDriver---NCP1200/1216•PFCHighPowerLEDDriver—NCP1651•AuxiliarySupplyFeedbackLEDDriver–VIPer1002008/1/153LightingHistory2008/1/154Lightsourceefficiency80801515202060602002008080光效光效2008/1/155LEDLightingProducts2008/1/156DCtoDCsection2008/1/1571:Step-downLEDdriver—CAT4201•6-28V宽电压工作范围•最多可驱动1W*6颗LED•BOOST工作方式，高效率•电流设定恒流精度高•封装小，空间利用率高•可并联使用，驱动功率可倍增•驱动电流0~350mA2008/1/1581W大功率LED驱动芯片1W大功率LEDVin=6v-28v2008/1/1591W大功率LED驱动6颗1WLED2008/1/1510驱动小功率LED最多可以最多可以66串串1717并驱并驱动动102102颗小功率颗小功率LEDLED2008/1/15112:Step-upLEDdriver—CAT4240•升压工作方式•最多可驱动1W*6颗LED•BOOST工作方式，高效率•电流设定FB=300mV,低功耗•封装小，空间利用率高•驱动电流0~350mA2008/1/1512交流输入下应用方案2008/1/15133:1A/25vNoinductorLEDDriver—CAT4101•驱动脚最高耐压25V•最大驱动电流可达1A•外置电阻调节电流•电路简洁,无干扰•PWM控制2008/1/15144:3-CH25V/175mARGBLEDDriver—CAT4103•每通道最高耐压可达25V•每通道电流外置电阻调节•四线信号控制,全彩变化•每通道最大电流175mA•电路简洁,应用便利2008/1/1515RouterRouterControlSystem广告屏幕BlockDiagram广告屏幕BlockDiagramRouterRouterRouterRouter……1234576150……1234576150……1234576150LampserialLampVinGNDBinLinDinCinBoutLoutDoutCoutVoutGNDControlSystem2008/1/15165:4-BitPower-LEDDriver—STP04CM596SDISDO\OELECLKVinVddRGGBMax500mAMax500mAR-EXT•每通道最高耐压16V•外置电阻调节电流•四线信号控制,全彩变化•每通道驱动电流80-500mA•电路简洁,应用便利2008/1/15176:25V4*175mAHighcurrentLEDDriver—CAT4104•每通道耐压可达25V•电流外置电阻调节•PWM控制•每通道最大电流175mA•电路简洁,应用便利•SOP8脚封装2008/1/1518•3-18V升压工作模式•可驱动3颗LED•BOOST工作方式,高效率•2*2*0.8QFN小封装7:HighBrightnessWhiteLEDDriver—TPS611652008/1/1519新的升降压拓扑电路2008/1/15208:1.5A/40VDC/DCconverter—NCP3063••该方案同时实现升降压该方案同时实现升降压,,满足电源输入的宽范围满足电源输入的宽范围..••过压保护过压保护••恒流调节恒流调节2008/1/1521特征特征••最大电流最大电流1.5A,1.5A,最大最大输入电压输入电压40V40V••SOP8SOP8封裝封裝••过流过热保护过流过热保护••升压和降压均可实升压和降压均可实现现..9:1.5A/40VLEDdriver—NCP30652008/1/1522参考应用图表-NCP30652008/1/152310:LowCostAnalogLEDdriver--NCP4001特征特征••最大电流最大电流1.5A,1.5A,最大输入最大输入电压电压40V40V••SOP8SOP8封裝封裝••过流过热保护过流过热保护••升压和降压均可实现升压和降压均可实现..2008/1/152411:HighVoltageLEDdriver--NCP43012008/1/1525手电筒BlockDiagram手电筒BlockDiagramBatteryBatteryLEDDriverLEDDriverNCP1421NCP1400CAT4139TPS61160TPS610812008/1/152612:LowVoltageLEDdriver--NCP11002008/1/152713:LowVoltageHighCurrentLEDdriver--NCP14212008/1/1528ControlSystem洗墙灯BlockDiagram洗墙灯BlockDiagramNextLampPowerAC/DCHighcurrentLEDDriverHighcurrentLEDDriverHighcurrentLEDDriverHighcurrentLEDDriverHighcurrentLEDDriverHighcurrentLEDDriver3bitsLEDDriver3bitsLEDDriverLamp2008/1/1529Applications••洗墙灯洗墙灯••投射灯投射灯••埋地灯埋地灯••GPSGPS屏屏••大功率手电筒大功率手电筒••汽车照明汽车照明••交通灯交通灯••矿灯照明矿灯照明••LEDLED装饰照明装饰照明••其他应用其他应用2008/1/1530ACtoDCsection2008/1/15311:1-4WAC/DCLEDdriver—ACT352008/1/15322:IntegratedMOSFETLEDdriver—NCP1014/272008/1/15333:HighVoltageLEDdriver—NCP1200/12162008/1/15344:PFCHighPowerLEDdriver—NCP16512008/1/15355:AuxiliarySupplyFeedbackLEDdriver—VIPer100采用前端输入电采用前端输入电压方式反馈，可压方式反馈，可实现恒流和恒压实现恒流和恒压2008/1/1536Someproducts2008/1/1537相关资源LEDLEDPTTCPTTC保护器件保护器件2008/1/1538谢謝！！！