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1. 发明授权

US09214808B2 Electronic device and power control circuit for same 有权
标题翻译：电子设备和电源控制电路相同
公开(公告)号：US09214808B2
公开(公告)日：2015-12-15
申请号：US13848681
申请日：2013-03-21
申请人： ShenZhen Treasure City Technology Co., LTD.
发明人： Xing-Hua Tang
IPC分类号： G06F19/00 , H02J1/00 , H02J7/00
CPC分类号： H02J1/00 , G06F1/26 , H02J7/00 , H02J9/005 , H02J2007/0095 , H02J2009/007
摘要： An electronic device includes a MCU, and a power control circuit. The power control circuit includes a first switch unit connected between a power source and the MCU, and a second switch unit connected between a control terminal of the first switch unit and the MCU. In a first status, the second switch unit outputs a first control signal to switch on the first switch to connect the MCU to the power source for enabling the MCU to receive power; and further outputs a boot signal to the MCU to power the electronic device. Switched to a second status, a shutdown signal is output to the MCU to shutdown the electronic device; and the second switch module further outputs a second control signal to switch off the first switch after a determined time period, to cut power consumption to nil at the end of that period.
摘要翻译：电子设备包括MCU和功率控制电路。电源控制电路包括连接在电源和MCU之间的第一开关单元和连接在第一开关单元的控制端子和MCU之间的第二开关单元。在第一状态下，第二开关单元输出第一控制信号以接通第一开关以将MCU连接到电源，以使MCU能够接收电力; 并且还向MCU输出引导信号以为电子设备供电。切换到第二状态，关闭信号被输出到MCU以关闭电子设备; 并且第二开关模块进一步输出第二控制信号以在确定的时间段之后关闭第一开关，以在该周期结束时将功耗降低到零。

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