CN102629772A - Mobile terminal and charging method of mobile terminal - Google Patents
Mobile terminal and charging method of mobile terminal Download PDFInfo
- Publication number
- CN102629772A CN102629772A CN2012100969425A CN201210096942A CN102629772A CN 102629772 A CN102629772 A CN 102629772A CN 2012100969425 A CN2012100969425 A CN 2012100969425A CN 201210096942 A CN201210096942 A CN 201210096942A CN 102629772 A CN102629772 A CN 102629772A
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- China
- Prior art keywords
- otg
- power supply
- mhl
- portable terminal
- external charger
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Power Sources (AREA)
Abstract
The invention relates to a mobile terminal, which comprises an on-the-go (OTG) or mobile high-definition link (MHL) power supplying power supply and a power supply manager connected with the OTG or MHL power supplying power supply, wherein a current detecting circuit is connected with the OTG or MHL power supplying power supply and is used for detecting whether the output current of the OTG or MHL power supplying power supply is reduced or not for judging whether a universal serial bus (USB) expansion interface has external charger connection or not and outputting the judgment results, and a central processing unit is connected with the power supply manager and the current detecting circuit and is used for controlling the power supply manager to close the OTG or MHL power supplying power supply output voltage and converting the power supply into the external charger power supply during the external charger connection. The invention also provides a charging method of the mobile terminal.
Description
Technical field
The present invention relates to field of mobile communication, relate in particular to the method for a kind of portable terminal and charging thereof.
Background technology
Existing portable terminal and digital product all have OTG (On-The-Go) and mobile high definition (Mobile High-Definition Link; MHL) function; But when using this function because portable terminal and digital product inside will be exported a voltage and supplied power to external equipment; Cause power consumption excessive, the operating time shortens greatly.Therefore need to prolong portable terminal and the operating time of digital product when using OTG and MHL function.
Summary of the invention
The object of the present invention is to provide the method for a kind of portable terminal and charging thereof, avoid portable terminal power consumption when using OTG and MHL excessive and the operating time is too short.
A kind of portable terminal; Comprise OTG or MHL power supply, and the power supervisor that is connected with OTG or MHL power supply, wherein: current detection circuit; Be connected with OTG or MHL power supply; Be used to detect OTG or whether MHL power supply output current diminishes, whether have external charger to insert to judge the USB expansion interface, and the output judged result; Central processing unit is connected with power supervisor and current detection circuit, is used for when external charger inserts, and the control power supervisor is closed OTG or MHL power supply output voltage, transfers external charger power supply to.
Further, above-mentioned portable terminal also comprises the USB interface that is connected with current detection circuit and USB expansion interface, and USB interface connects OTG or MHL equipment through the USB expansion interface, and external charger.
Further, whether above-mentioned current detection circuit diminishes through USB interface detection OTG or MHL power supply output current.
Further, above-mentioned central processing unit control power supervisor is closed OTG or MHL power supply output voltage, is the charging of OTG or MHL power supply simultaneously.
Whether a kind of method of portable terminal charging is applied to above-mentioned portable terminal, comprising: current detection circuit detects OTG or whether MHL power supply output current diminishes, have external charger to insert to judge the USB expansion interface, and the output judged result; When central processing unit inserted at external charger, the control power supervisor was closed OTG or MHL power supply output voltage, transferred external charger power supply to.
Further, the method for above-mentioned portable terminal charging also comprises: central processing unit detects the USB expansion interface has OTG or MHL equipment to insert.
Further, the method for above-mentioned portable terminal charging also comprises: when OTG or the access of MHL equipment, control OTG or MHL power supply output voltage are given OTG or MHL power devices to USB interface and USB expansion interface by portable terminal.
The present invention can make when using OTG or MHL function and can also charge as portable terminal, has prolonged the operating time incessantly can also be full of electricity in when work.
Description of drawings
In order to be easy to explanation, the present invention is done to describe in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the module map of portable terminal of the present invention;
Fig. 2 is the flow chart of portable terminal charging of the present invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
Fig. 1 is the module map of portable terminal of the present invention.
Portable terminal of the present invention comprises OTG or MHL power supply 101, and the power supervisor 102 that is connected with OTG or MHL power supply 101, wherein:
Whether current detection circuit 103 is connected with OTG or MHL power supply 101, is used to detect OTG or whether MHL power supply 101 output currents diminish, have external charger 105 to insert to judge USB expansion interface 104, and the output judged result;
Central processing unit 106 is connected with power supervisor 102 and current detection circuit 103, is used for when external charger 105 inserts, and control power supervisor 102 is closed OTG or MHL power supply 101 output voltages, transfers external charger 105 power supplies to.
Further, above-mentioned portable terminal also comprises the usb 1 07 that is connected with current detection circuit 103 and USB expansion interface 104, and usb 1 07 connects OTG or MHL equipment through the USB expansion interface, and external charger 105.
Further, whether above-mentioned current detection circuit 103 diminishes through usb 1 07 detection OTG or MHL power supply 101 output currents.
Further, above-mentioned control power supervisor 102 is closed OTG or MHL power supply 101 output voltages, is OTG or 101 chargings of MHL power supply simultaneously.
Fig. 2 is the flow chart of portable terminal charging of the present invention.
Step 201, central processing unit 106 detect USB expansion interface 104 has OTG or MHL equipment 108 to insert, and control OTG or MHL power supply 101 output voltages are given usb 1 07 and USB expansion interface 104, gives OTG or 108 power supplies of MHL equipment by portable terminal;
Step 202, when USB expansion interface 104 had external charger 105 to insert, current detection circuit detects OTG or MHL power supply 101 output currents diminish;
Step 203, central processing unit 106 control power supervisors 102 are closed OTG or 101 outputs of MHL power supply, transfer external charger 105 power supplies to, are OTG or 101 chargings of MHL power supply simultaneously.
The present invention can when USB expansion interface 104 has external charger 105 to insert, close OTG and MHL power supply and switch to charge mode, use OTG in the time of can letting the user unlimited and MHL function through adding current detection circuit at portable terminal automatically.Can also state in the use function the time charge to portable terminal.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a portable terminal comprises OTG or MHL power supply, and the power supervisor that is connected with OTG or MHL power supply, it is characterized in that, also comprises:
Whether current detection circuit is connected with OTG or MHL power supply, is used to detect OTG or whether MHL power supply output current diminishes, have external charger to insert to judge the USB expansion interface, and the output judged result;
Central processing unit is connected with power supervisor and current detection circuit, is used for when external charger inserts, and the control power supervisor is closed OTG or MHL power supply output voltage, transfers external charger power supply to.
2. portable terminal as claimed in claim 1 is characterized in that, also comprises the USB interface that is connected with current detection circuit and USB expansion interface, and USB interface connects OTG or MHL equipment through the USB expansion interface, and external charger.
3. portable terminal as claimed in claim 2 is characterized in that, current detection circuit detects OTG through USB interface or whether MHL power supply output current diminishes.
4. portable terminal as claimed in claim 1 is characterized in that, the control power supervisor is closed OTG or MHL power supply output voltage, is the charging of OTG or MHL power supply simultaneously.
5. the method for a portable terminal charging is applied to it is characterized in that like each described portable terminal of claim 1 to 5, comprising:
Whether current detection circuit detects OTG or whether MHL power supply output current diminishes, have external charger to insert to judge the USB expansion interface, and the output judged result;
When central processing unit inserted at external charger, the control power supervisor was closed OTG or MHL power supply output voltage, transferred external charger power supply to.
6. the method for portable terminal charging as claimed in claim 5 is characterized in that, also comprises: central processing unit detects the USB expansion interface has OTG or MHL equipment to insert.
7. the method for portable terminal charging as claimed in claim 6; It is characterized in that; Also comprise: when OTG or the access of MHL equipment, control OTG or MHL power supply output voltage are given OTG or MHL power devices to USB interface and USB expansion interface by portable terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100969425A CN102629772A (en) | 2012-04-05 | 2012-04-05 | Mobile terminal and charging method of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100969425A CN102629772A (en) | 2012-04-05 | 2012-04-05 | Mobile terminal and charging method of mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102629772A true CN102629772A (en) | 2012-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100969425A Pending CN102629772A (en) | 2012-04-05 | 2012-04-05 | Mobile terminal and charging method of mobile terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN102629772A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI505700B (en) * | 2014-01-22 | 2015-10-21 | Realtek Semiconductor Corp | Pluggable electronic device and method for determining output data of pluggable electronic device |
| CN105718016A (en) * | 2015-06-04 | 2016-06-29 | 乐视移动智能信息技术（北京）有限公司 | Power supply method and device of adapter |
| CN106412245A (en) * | 2016-09-06 | 2017-02-15 | 青岛海信移动通信技术股份有限公司 | Waterproof method for USB interface and mobile terminal |
| CN106597143A (en) * | 2016-11-10 | 2017-04-26 | 青岛海信移动通信技术股份有限公司 | Test device and test method |
| CN106684967A (en) * | 2016-11-29 | 2017-05-17 | 维沃移动通信有限公司 | Charging method for mobile terminal and mobile terminal |
| CN111009939A (en) * | 2019-11-25 | 2020-04-14 | 青岛海信移动通信技术股份有限公司 | Quick charging method and terminal |
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| TWI505700B (en) * | 2014-01-22 | 2015-10-21 | Realtek Semiconductor Corp | Pluggable electronic device and method for determining output data of pluggable electronic device |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120808 |