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    • 5. 发明申请
    • DISPLAY BACKLIGHT POWER CONSUMPTION
    • 显示背光消耗
    • US20150264775A1
    • 2015-09-17
    • US14210628
    • 2014-03-14
    • Soethiha SoePatrick K. LeungTod F. SchiffScot Lester
    • Soethiha SoePatrick K. LeungTod F. SchiffScot Lester
    • H05B37/02
    • H05B37/02G09G3/3406
    • Systems and methods may provide for a power management apparatus including a first path to be coupled to an output of a narrow voltage direct current (NVDC) charger and an input of a backlight voltage regulator (VR). The apparatus may also include a second path to be coupled to an input of the NVDC charger and the input of the backlight voltage regulator, wherein the second path is to bypass current around the NVDC charger and to the input of the backlight VR if a voltage supplied by a first power source to the NVDC charger exceeds a voltage of a second power source coupled to the output of the NVDC. In one example, the first path includes a first diode and the second path includes a second diode, wherein the first and second diodes form an OR configuration for the apparatus between the first and second paths.
    • 系统和方法可以提供一种功率管理装置,其包括要耦合到窄电压直流(NVDC)充电器的输出的第一路径和背光电压调节器(VR)的输入。 该装置还可以包括要耦合到NVDC充电器的输入端和背光源电压调节器的输入端的第二路径,其中第二路径是旁路NVDC充电器周围的电流和背光源VR的输入,如果电压 由第一电源提供给NVDC充电器超过耦合到NVDC的输出的第二电源的电压。 在一个示例中,第一路径包括第一二极管,并且第二路径包括第二二极管,其中第一和第二二极管在第一和第二路径之间形成用于装置的OR配置。