Startup and shutdown circuit
A technology of switching on and off circuits and circuits, which is applied in the direction of electronic switches, circuit devices, battery circuit devices, etc., and can solve problems such as low-power processors in working state, mechanical switches with large volume, and terminal equipment that cannot be turned on normally.
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[0043] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0044] At present, lithium batteries are widely used in various terminal devices due to their excellent characteristics, such as fast charging speed and long service life. However, the lithium battery itself also has certain defects, that is, if it is not charged for a long time, the power of the lithium battery itself will continue to be lost. Once the lithium battery itself is in an over-discharge state (that is, the stored power is exhausted), then It cannot be charged normally. Usually, when the terminal device is turned on, the user can easily detect the power usage of the lithium battery, and charge the terminal device in time when the lithium battery power is low. However, if the terminal device is turned off, the user cannot know the power...
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