会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明授权
    • Driving circuit and method for driving current-driven devices and electronic device applying the same
    • 用于驱动电流驱动装置的驱动电路和方法及其应用的电子装置
    • US08922055B2
    • 2014-12-30
    • US13080650
    • 2011-04-05
    • Feng-Wei ChienTsung-Hau Chang
    • Feng-Wei ChienTsung-Hau Chang
    • H02J1/00H05B33/08
    • H05B33/0815H05B33/0827Y10T307/406Y10T307/469Y10T307/865
    • Provided is a light emitting diode (LED) driving circuit for driving a plurality of LED groups. The LED driving circuit includes: a voltage converter, for converting an input voltage into an output voltage, the output voltage coupled to a respective first terminal of each of the LED groups; and a controller, coupled to the voltage converter for controlling the voltage converter, the controller including a plurality of output channel terminals respectively corresponding to a plurality of output channels, one or more of the output channels are enabled and one or more of the output channels are disabled. One or more of the output channel terminals corresponding to the one or more enabled output channels are coupled to second terminals of corresponding ones of the LED groups, and one or more of the output channel terminals corresponding to the one or more disabled output channels are coupled to a reference voltage.
    • 提供了用于驱动多个LED组的发光二极管(LED)驱动电路。 LED驱动电路包括:电压转换器,用于将输入电压转换为输出电压,输出电压耦合到每个LED组的相应第一端; 以及耦合到所述电压转换器以控制所述电压转换器的控制器,所述控制器包括分别对应于多个输出通道的多个输出通道端子,所述输出通道中的一个或多个被使能,以及一个或多个输出通道 被禁用 对应于一个或多个使能的输出通道的输出通道端子中的一个或多个耦合到对应的LED组的第二端子,并且与一个或多个禁用的输出通道对应的一个或多个输出通道端子被耦合 到参考电压。