Charging method, charger and terminal

A charging method and charger technology, applied in the direction of current collectors, battery circuit devices, electric vehicles, etc., can solve the problems of increasing line loss, reducing charging efficiency, limitations, etc., so as to reduce line loss, fast charging, and increase charging current. Effect

Inactive Publication Date: 2017-11-28
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the charging process is to transmit current through the VBUS power cable of the USB interface. Conventional cables cannot be used for high-current charging. When the current exceeds 1.8A, the USB

Method used

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  • Charging method, charger and terminal
  • Charging method, charger and terminal
  • Charging method, charger and terminal

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Embodiment Construction

[0059] In order to make the object, technical solution and advantages of the present invention clearer, various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that, in each implementation manner of the present invention, many technical details are provided for readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in each claim of the present application can be realized.

[0060] During the charging process, it usually includes two parts, the charger and the terminal. The charger outputs power to the battery of the terminal through the USB cable. Therefore, during the charging process, the charger and the terminal need to cooperate with each other to charge the terminal. Based on the above un...

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Abstract

The invention discloses a charging method, a charger and a terminal. The charging method comprises the following steps: the terminal identifies whether access equipment inserted into a USB interface thereof is a quick charger matched therewith or not; when the terminal identifies that the access equipment inserted into the USB interface thereof is the quick charger matched therewith, the terminal connects at least one of a positive data line or a negative data line to a power line; and a charging input operation is executed. By adoption of the technical scheme, the charging current can be increased under the premise of equivalent circuit loss so as to realize quicker charging, or circuit loss caused by a high current in the USB charging process can be lowered under the premise of equivalent charging current.

Description

technical field [0001] The invention relates to the technical field of charging, in particular to a charging method, a charger and a terminal. Background technique [0002] As the battery capacity of portable devices such as terminals increases, in order to shorten the charging time of the terminal, a faster charging method appears. After the terminal is adapted to the charger, the output voltage or output current of the charger is increased to increase the charging input power of the terminal, thereby increasing the charging current of the battery within the charging curve range of the battery and shortening the charging time. [0003] In the method of increasing the output power by increasing the output voltage, the charging chip is generally used to convert the power supply into a charging voltage that meets the battery charging; but in the process of voltage conversion, the efficiency is low, and the heat generated by the charging chip makes output current is limited. ...

Claims

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Application Information

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IPC IPC(8): H02J7/00
CPCH01M10/4257H02J7/00H01R13/02Y02E60/10
Inventor 龚勇
Owner ZTE CORP
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