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    • 6. 发明申请
    • DYNAMIC POWER CONTROL CIRCUIT
    • 动态功率控制电路
    • WO2017146962A1
    • 2017-08-31
    • PCT/US2017/018022
    • 2017-02-16
    • MICROSOFT TECHNOLOGY LICENSING, LLC
    • DUTRA, Jonathan AlanPENNY, Junius MarkWYLAND, David CarlLUKOFSKY, DavidMEHTA, Agustya Ruchir
    • H02J7/00
    • H02J7/0081H02J7/0031
    • A dynamic power control circuit is provided. The control circuit can detect the presence of the external power source as well as detect one or more conditions of the device. For instance, the control circuit can detect a voltage difference between a first node coupling a first power output and a system circuit and a second node coupling a second power output and the batteries. The control circuit can also detect the activation or deactivation of the external power source. Based on the inputs, the control circuit can cause the controlled resistor to dynamically adjust a level of impedance between the first node and the second node. The controlled impedance between the first node and the second node enables the system circuit to dynamically utilize power supplied by the external power source as well as power supplied by the batteries.
    • 提供了一种动态功率控制电路。 控制电路可以检测外部电源的存在以及检测设备的一个或多个状况。 例如,控制电路可以检测耦合第一功率输出和系统电路的第一节点与耦合第二功率输出和电池的第二节点之间的电压差。 控制电路还可以检测外部电源的激活或禁用。 基于输入,控制电路可以使受控电阻器动态地调整第一节点和第二节点之间的阻抗水平。 第一节点和第二节点之间的受控阻抗使得系统电路能够动态地利用由外部电源供应的电力以及由电池供应的电力。