Mobile terminal and charge control method thereof

A charging control method and mobile terminal technology, applied in the field of mobile terminal and its charging control, can solve the problems of slow charging, etc., and achieve the effects of large charging current, increased speed, and small resistance value

Inactive Publication Date: 2014-11-26
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a mobile terminal and its charging control method, aiming to solve the problem of slow charging of the mobile terminal in the charging process existing in the prior art

Method used

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  • Mobile terminal and charge control method thereof
  • Mobile terminal and charge control method thereof
  • Mobile terminal and charge control method thereof

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Experimental program
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Embodiment approach

[0068] In one embodiment, the resistance of the branch where the battery of the mobile terminal is located is the resistance value of the internal resistance of the battery of the mobile terminal.

[0069] In another embodiment, the branch where the battery of the mobile terminal is located is also provided with a current detection resistor, and the resistance of the branch where the battery of the mobile terminal is located is the resistance value of the internal resistance of the battery of the mobile terminal and is set on the branch. The sum of the resistance values ​​of the current sense resistors.

[0070] The mobile terminal and its charging method provided by the present invention adjust the resistance value of the sliding rheostat according to the internal resistance of the battery of the detection mobile terminal, so that the resistance values ​​of the two branches connected in parallel in the charging circuit are the same, and the total resistance of the circuit obta...

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Abstract

The invention relates to the technical field of mobile terminals and provides a mobile terminal and a charge control method of the mobile terminal. The charge control method comprises the following steps that in the process of charging the mobile terminal at a constant voltage, the internal resistance of a battery of the mobile terminal is detected; according to the internal resistance of the battery of the mobile terminal, the resistance value of a slide rheostat in parallel connection with a branch circuit where the battery of the mobile terminal is located is regulated to be the same as the resistance value of the branch circuit where the battery of the mobile terminal is located, so that the resistance value in a charging circuit is minimum; at the moment, the charging current to the battery of the mobile terminal is maximum, and the speed of constant-voltage charging is increased.

Description

technical field [0001] The present invention relates to the technical field of mobile terminals, in particular to a mobile terminal and a charging control method thereof. Background technique [0002] With the development and popularization of mobile devices, the practicability and entertainment of mobile terminals are becoming stronger and stronger, and users spend more and more time using mobile terminals every day. Therefore, users pay more and more attention to the charging status of mobile terminals. Mobile devices generally have the problem of slow charging and fast power consumption. In order to solve this problem, the industry mainly adopts the method of increasing the battery capacity and increasing the charging current in the constant current stage to solve this problem. In addition, there are some The product uses fast charging technology, that is, it only takes 40 minutes to charge from 1% to 90%, but it takes half an hour to charge from 90% to 100%. To sum up, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H01M10/44
CPCY02E60/10
Inventor 廖福椿
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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