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1、2008/1/151大功率大功率LED驱动芯片介绍驱动芯片介绍BY Jacken Zhang (K3672)2008/1/152ContentsLighting ProductsDC to DC section28V(MAX)/350mA Step-down LED driverCAT4201350mA Step-up LED driverCAT42401A/25v No inductor LED DriverCAT41013-CH 25V/175mA RGB LED DriverCAT41034-Bit Power-LED DriverSTP04CM59625V 4*175mA High c
2、urrent LED DriverCAT4104High brightness white LED Driver TPS611651.5A/40V DC/DC converterNCP30631.5A/40V LED driverNCP3065Low Cost Analog LED driver-NCP4001High Voltage High Current LED DriverNUD4301Low Voltage LED DriverNCP1100Low Voltage High Current LED DriverNCP1421AC to DC section1-4W AC/DC LED
3、 driverACT35Integrated MOSFET LED Driver NCP1014/27High Voltage LED Driver-NCP1200/1216PFC High Power LED DriverNCP1651Auxiliary Supply Feedback LED Driver VIPer1002008/1/153Lighting History2008/1/154Light source efficiency80801515202060602002008080光效光效光效光效2008/1/155LED Lighting Products2008/1/156DC
4、 to DC section2008/1/1571:Step-down LED driverCAT4201 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0350m A2008/1/1581W大功率LED驱动芯片1W 大功率大功率 LEDVin=6v-28v2008/1/1591W 大功率大功率 LED驱动6颗1W LED2008/1/1510驱动小功率LED最多可以最多可以6 6串串1717并驱并驱动动102102颗小功率颗小功率LEDLED2008/1/15112:Step-
5、up LED driverCAT4240 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0350m A2008/1/1512交流输入下应用方案2008/1/15133:1A/25v No inductor LED DriverCAT4101 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-CH 25V/175mA RGB LED DriverCAT4103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
6、175mA电路简洁,应用便利2008/1/1515RouterRouterControl System广告屏幕广告屏幕 Block Diagram广告屏幕广告屏幕 Block DiagramRouterRouterRouterRouter123457615012345761501234576150Lamp serialLampVinGNDBinLinDinCinBoutLoutDoutCoutVoutGNDControl System2008/1/15165:4-Bit Power-LED DriverSTP04CM596SDISDOOELECLKVinVddRGGBMax500mAMax50
7、0mAR-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2008/1/15176:25V 4*175mA High current LED DriverCAT4104 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*0.8 QFN 小封装7:High Brightness White LED DriverTPS611652008/1/1519新的升降压拓扑电路20
8、08/1/15208:1.5A/40V DC/DC converterNCP3063 该方案同时实现升降压该方案同时实现升降压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.过压保护过压保护过压保护过压保护 恒流调节恒流调节恒流调节恒流调节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/40V LED driverNCP30652008/1/1522参考应用图
9、表-NCP30652008/1/152310:Low Cost Analog LED driver-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:High Voltage LED driver-NCP43012008/1/1525手电筒手电筒 Block Diagram手电筒手电筒 Block DiagramBatteryBatteryLED DriverLED DriverNCP1421NCP1400CAT4139TPS61
10、160TPS610812008/1/152612:Low Voltage LED driver-NCP11002008/1/152713:Low Voltage High CurrentLED driver-NCP14212008/1/1528Control System洗墙灯洗墙灯 Block Diagram洗墙灯洗墙灯 Block DiagramNext LampPowerAC/DCHigh currentLED DriverHigh currentLED DriverHigh currentLED DriverHigh currentLED DriverHigh currentLED D
11、riverHigh currentLED Driver3 bitsLED Driver3 bitsLED DriverLamp2008/1/1529Applications 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2008/1/1530AC to DC section2008/1/15311:1-4W AC/DC LED driverACT352008/1/15322:Integrated MOSFET LED driverNCP1014/272008/
12、1/15333:High Voltage LED driverNCP1200/12162008/1/15344:PFC High Power LED driverNCP16512008/1/15355:Auxiliary Supply Feedback LED driverVIPer100采用前端输入电采用前端输入电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实现恒流和恒压实现恒流和恒压2008/1/1536Some products2008/1/1537相关资源LEDLEDPTTCPTTC保护器件保护器件保护器件保护器件2008/1/1538谢 謝!谢 謝!