Mobile phone USB (Universal Serial Bus) interface charging system supporting charging for other mobile devices and charging realization method of mobile phone USB interface charging system

Abstract

The invention discloses a mobile phone USB (Universal Serial Bus) interface charging system supporting charging for other mobile devices and a charging realization method of the mobile phone USB interface charging system. The mobile phone USB interface charging system comprises a USB interface, a power switch and a data line switch, wherein the power switch is connected with a power cord of the USB interface, the data line switch is connected with a data signal line of the USB interface, the switch-on and switch-off states of the power switch are controlled by power switch control information, and the switch-on and switch-off states of the data line switch are controlled by data line switch control information. The charging realization method comprises the steps of: connecting a mobile phone with a mobile device to be charged through a USB data line, selecting the mobile phone to enter a charging mode by a user, connecting the power cord at the USB interface with a power supply inside the mobile phone by the power switch under the control of the power switch control information, selecting a charging type by the user and the like. The mobile phone USB interface charging system and the charging realization method of the mobile phone USB interface charging system can be used for charging other mobile devices such as mobile phones and tablet personal computers by utilizing the USB interface of the mobile phone, and selecting different output currents for charging according to the mobile phones or the tablet personal computers.

Description

technical field [0001] The invention relates to the field of mobile terminal equipment, in particular to a mobile phone USB interface charging system supporting charging for other mobile equipment and a charging method thereof. Background technique [0002] Due to the fast CPU speed, large screen, and many functions of mobile devices such as mobile phones and tablets, the battery life is generally not long. During the use of mobile devices, they often encounter insufficient power. You have to stop using mobile devices outdoors or in other places without charging equipment, which will cause many important things to not be processed in time. Now almost everyone has a mobile phone. If the mobile phone has the function of charging other mobile devices, when your mobile device is out of power, you can use the mobile phones of other people around you to charge it, so that you can continue to use the mobile device to handle important tasks. matter. Contents of the invention [...

AI Technical Summary

Problems solved by technology

[0002] Due to the fast CPU speed, large screen, and many functions of mobile devices such as mobile phones and tablets, the battery life is generally not long. During the use of mobile devices, they often encounter insufficient power. Outdoors or other places without charging equipment, you have to stop using mobile devices, which will cause many important things to not be processed in time

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