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Mobile telephone battery charging controlling method and apparatus thereof

A charging control method and mobile phone battery technology, applied to battery circuit devices, secondary battery charging/discharging, circuit devices, etc., capable of solving problems such as mobile phones being unable to charge

Inactive Publication Date: 2008-09-24
LG ELECTRONICS (CHINA) R&D CENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When charging the battery of the mobile phone in the prior art, when the temperature of the battery is abnormal, the mobile phone cannot be charged

Method used

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  • Mobile telephone battery charging controlling method and apparatus thereof
  • Mobile telephone battery charging controlling method and apparatus thereof
  • Mobile telephone battery charging controlling method and apparatus thereof

Examples

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Embodiment Construction

[0105] Figure 4 It is a schematic diagram of a charging circuit provided on a mobile phone according to an embodiment of the present invention, showing the charging principle of a mobile phone battery. The invention is applicable to the situation that the battery is installed on the mobile phone for charging. exist Figure 4 Among them, the analog baseband processor 8AD 6535 (Analog BasebandProcessor) that includes the power management function of the mobile phone is connected to the battery 9 of the mobile phone through the corresponding GPIO (General Purpose I / O, general purpose input and output) pins, thereby realizing the battery of the mobile phone. 9, the function of detecting the voltage, temperature, charging current and other signals, and sending the detected signal to the processor for processing, so as to realize the charging control of the mobile phone battery, including monitoring full charge, performing charging steps, stopping charging steps and Switching is ...

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PUM

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Abstract

This invention relates to a kind of charge controlling method of mobile phone battery and the apparatus. It is adequate for the situation that the battery is on the mobile phone and is charging. It concludes steps of detecting the battery voltage and temperature. They are used for controlling that battery can charge when voltage has not attained full-voltage and temperature is normal. It also concludes the battery charge controlling step when voltage has not attained full-voltage but temperature is not normal. This method ensures that mobile phone can charge when the battery temperature is not normal but the voltage meets definite situation.

Description

technical field [0001] The invention relates to charging control of a mobile phone, in particular to a charging control method and device for a battery of a mobile phone. Background technique [0002] Today, with the rapid development of the information industry, mobile phones have become a communication tool widely used in people's daily work and life. The quality of batteries and chargers used as supporting products directly affects the length of standby and talk time of mobile phones. If there is a problem with safety performance, it will directly affect personal and property safety. Therefore, mobile phone power management is becoming more and more important. Some ICs dedicated to mobile phone power management systems have been used in GSM and CDMA mobile phone batteries. However, when the battery temperature of the current mobile phone battery is abnormal (above 50°C or below -10°C), the battery of the mobile phone will end charging, and when the charging ends due to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00H01M10/44G05B19/04
CPCY02E60/12Y02E60/10
Inventor 聂传虹
Owner LG ELECTRONICS (CHINA) R&D CENT CO LTD