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Device and method for mobile terminal to supply power to external equipment

A technology for mobile terminals and external devices, applied in circuit devices, battery circuit devices, current collectors, etc., to achieve the effect of power supply

Inactive Publication Date: 2014-02-05
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, the effective method for the mobile phone to supply power to external devices needs further research.

Method used

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  • Device and method for mobile terminal to supply power to external equipment
  • Device and method for mobile terminal to supply power to external equipment
  • Device and method for mobile terminal to supply power to external equipment

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Embodiment Construction

[0027] The basic idea of ​​the present invention is to set a power management module between the external power supply interface of the mobile terminal and the positive pole of the battery. After the power management module is enabled, the battery voltage and current of the mobile terminal are adjusted to meet the voltage and current required by the external equipment After receiving the current, supply power to external devices through the external power supply interface.

[0028] The mobile terminal power supply device for external equipment provided by the present invention includes a baseband processor, such as figure 2 As shown, the device also includes: a power management module and an external power supply interface; wherein,

[0029] The power management module is located between the external power supply interface of the mobile terminal and the positive pole of the battery, and is used to adjust the battery voltage and current of the mobile terminal to meet the volta...

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Abstract

A device and a method for supplying power from a mobile terminal to external equipment. A power management module (24) is provided between an external power supply connector (21) of the mobile terminal and a positive pole of a battery of the mobile terminal. After the power management module (24) is enabled by a baseband processor (23) or an application processor of the mobile terminal, the voltage and the current of the battery of the mobile terminal are adjusted to be the voltage and the current needed by the external equipment, so that power is supplied to the external equipment through the external power supply connector (21).

Description

technical field [0001] The invention relates to the application field of mobile terminals, in particular to a power supply device and method for a mobile terminal to external equipment. Background technique [0002] With the rapid development of electronic technology, the charging technology of mobile terminals such as mobile phones is also developing rapidly. At present, the latest mobile phone charging technologies such as wireless charging and solar charging technology have achieved certain results. [0003] In the prior art, the charging principle diagram of a mobile phone, such as figure 1 As shown, the charging management module has the functions of controlling the charging voltage and current, among which, the Vin terminal is a voltage input pin, which is connected to the charging interface of the mobile phone; the Vout terminal is a voltage output pin, which is connected to the positive pole Vbat of the battery; when the mobile phone charger When connected to the ch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00
CPCG06F1/266
Inventor 屈胜李磊周文春
Owner ZTE CORP
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