Huawei Device Co., Ltd.

Dingjun Qian

Yanguo He

Yanbin Li

A power supplying method for a wireless network terminal and the wireless network terminal are disclosed. The method includes: detecting potential information of two power lines of a USB (Universal Serial Bus) interface of a wireless network terminal; determining, according to the potential information of the two power lines, a type of a power supply device that is connected to the USB interface; and when the type of the power supply device is a power supply device having a communication capability, controlling the wireless network terminal to work in a predetermined communication mode, so as to implement power supply for the wireless network terminal by using the power supply device. With provided technical solutions, a cost of the wireless network terminal can be reduced, and a battery with a relatively large size is not needed, thereby facilitating miniaturization and integration of the wireless network terminal.

Power supplying method for wireless network terminal and wireless network terminal

The present invention provides a power circuit, including a current-limiting chip, a current-limiting value setting circuit, and a baseband chip. A current setting port of the current-limiting chip is connected to a general-purpose input/output port of the baseband chip through the current-limiting value setting circuit. The general-purpose input/output port is configured to generate a first signal in a first time sequence period of timeslot transmitting of the baseband chip so that the current-limiting value setting circuit sets a current-limiting value of the current-limiting chip as a first current-limiting value. In the other time sequence periods of timeslot transmitting of the baseband chip, the general-purpose input/output port generates a second signal so that the current-limiting value setting circuit sets the current-limiting value of the current-limiting chip as a second current-limiting value. The first current-limiting value is greater than the second current-limiting value.

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Xi'an, China

Dingjun Qian