CN203193327U

CN203193327U - Mobile phone capable of outward charging

Info

Publication number: CN203193327U
Application number: CN 201320137215
Authority: CN
Inventors: 周奇
Original assignee: SHENZHEN BOWAY ELECTRONICS CO Ltd
Current assignee: SHENZHEN BOWAY ELECTRONICS CO Ltd
Priority date: 2013-03-22
Filing date: 2013-03-22
Publication date: 2013-09-11
Anticipated expiration: 2023-03-22

Abstract

The utility model discloses a mobile phone capable of outward charging. The mobile phone comprises a mobile phone MCU, a GPIO module, a boost IC, a lithium battery and an output interface. A control instruction sent by the mobile phone MCU is transmitted to the boost IC through the GPIO module; the lithium battery outputs a voltage signal to the boost IC; the boost IC executes the control instruction of the mobile phone MCU to boost voltage of the voltage signal output by the lithium battery to 5V and then transmits the voltage signal to the output interface; the chip model of the boost IC is AW3632; and the output interface is a 5Pin Micro USB interface. Other portable electronic devices can be charged through the mobile phone. The mobile phone has the advantages of small size, good portability and multiple functions. Meanwhile, the mobile phone is connected to other electronic devices through the 5Pin Micro USB interface and has better compatibility.

Description

A kind of mobile phone that can outwards charge

Technical field

The utility model relates to the charging device technical field, relates in particular to a kind of mobile phone that can outwards charge.

Background technology

Fast development along with electronic technology, portable electric appts is more and more, for example, mobile phone, MP4, panel computer and PSP etc., these electronic equipments power consumption in use are bigger, if can not in time charge, will bring great inconvenience to the user, in order in time these electronic equipments to be charged, the products such as charging treasured of charge storage unit have appearred on the market having, the charging treasured be one integrate accumulate, boost, the portable set of Charge Management, its accumulate medium generally adopts the electric core of lithium, thereby can charge to electronic equipment in time.But because the charging treasured is an independently charging device, and only possesses charge function, so there is the defective that volume is big, carry trouble, function singleness in it.

The utility model content

The technical problems to be solved in the utility model is, a kind of mobile phone that can outwards charge is provided, can be to other portable electric appts chargings by this mobile phone, thereby have that volume is little, a good portability, advantage that function is many, simultaneously, this mobile phone is connected to other electronic equipments by 5Pin Micro USB interface, so have better compatibility.

For solving the problems of the technologies described above, the utility model adopts following technical scheme.

A kind of mobile phone that can outwards charge, it includes a mobile phone MCU, a GPIO module, boost IC, a lithium battery and an output interface, the control command that described mobile phone MCU sends transfers to the IC that boosts by the GPIO module, described lithium battery outputs voltage signal to the IC that boosts, the described IC of boosting carries out the control command of mobile phone MCU and the voltage signal of lithium battery output is boosted to 5V, transfer to output interface afterwards, the chip model of the described IC of boosting is AW3632, and described output interface is 5Pin Micro USB interface.

Preferably, the 5th pin of the described IC of boosting is connected in the GPIO module as Enable Pin, the 4th pin is connected in lithium battery as input, its the 6th pin is connected in output interface as output, be connected with capacitor C 505 between the 2nd pin and the 3rd pin, be connected with capacitor C 504, the 1 pin and the equal ground connection of the 9th pin between the 7th pin and the 8th pin.

Preferably, the 4th pin of the described IC that boosts is also by a capacitor C 503 ground connection, and its 6th pin is also by a capacitor C 506 ground connection.

Preferably, the 1st pin of described output interface is the 5V voltage input end, and the 2nd pin is the data wire negative pole, and the 3rd pin is the data wire positive pole, and the 4th pin is connected in the output of the IC that boosts, the 5th pin ground connection.

Preferably, the 1st pin of described output interface also is connected to the negative electrode of a voltage-stabiliser tube T500, the plus earth of this voltage-stabiliser tube T500, the 2nd pin is also by a two-way voltage-stabiliser tube T503 ground connection, the 3rd pin is also by a two-way voltage-stabiliser tube T502 ground connection, the clamp voltage of described voltage-stabiliser tube T500 is 12V, and the clamp voltage of described bi-directional voltage stabilizing pipe T503 and bi-directional voltage stabilizing pipe T502 is 5V.

In the disclosed mobile phone that can outwards charge of the utility model, the voltage that lithium battery is exported is between 2.7V～4.2V, this voltage transmission is to the IC that boosts, when mobile phone charges to other electronic equipments, the user needs to open charge function at the Charge Management interface of mobile phone, this moment mobile phone MCU with sending controling instruction to the IC that boosts, the IC that boosts carry out this control command and boost in voltage that lithium battery is exported to 5V, and this 5V voltage transferred to other electronic equipments by output interface, thereby realized utilizing mobile phone to other electronic equipment chargings, therefore it is little to have volume, many and the good advantage of flexibility of function, simultaneously, because output interface is international 5PinMicroUSB interface, make to the utlity model has better compatibility and wider range of application.

Description of drawings

Fig. 1 is the circuit block diagram of the mobile phone that can outwards charge that the utility model proposes.

Fig. 2 is the annexation schematic diagram of IC and mobile phone MCU of boosting.

Fig. 3 is the circuit theory diagrams of output interface.

Fig. 4 is the annexation schematic diagram of output interface and other electronic equipments.

Embodiment

Below in conjunction with drawings and Examples the utility model is done more detailed description.

The utility model discloses a kind of mobile phone that can outwards charge, in conjunction with Figure 1 and Figure 2, it includes a mobile phone MCU1, one GPIO module 2, one IC3 that boosts, one lithium battery 4 and an output interface 5, the control command that described mobile phone MCU1 sends transfers to the IC3 that boosts by GPIO module 2, this GPIO module is general input/output module, described lithium battery 4 outputs voltage signal to the IC3 that boosts, the described IC3 of boosting carries out the control command of mobile phone MCU1 and the voltage signal of lithium battery 4 outputs is boosted to 5V, transfer to output interface 5 afterwards, the chip model of the described IC3 of boosting is AW3632, and described output interface 5 is 5Pin Micro USB interface.In this mobile phone, the voltage that lithium battery 4 is exported is between 2.7V～4.2V, this voltage transmission is to the IC3 that boosts, when mobile phone charges to other electronic equipments, the user needs to open charge function at the Charge Management interface of mobile phone, this moment mobile phone MCU1 with sending controling instruction to the IC3 that boosts, in the practical application, the high level signal of this control command for continuing, the IC3 that boosts carry out this control command and boost in voltage that lithium battery 4 is exported to 5V, and this 5V voltage transferred to other electronic equipments by output interface 5, this IC3 that boosts inner integrated 1.5 times and 2 times low ripple charge pumps, under the situation that cell voltage constantly descends, can guarantee to export the constant voltage of 5V, thereby realized utilizing mobile phone and constantly to the charging of other electronic equipments, and need not to carry the equipment such as treasured that independently charge, when mobile phone is finished other electronic equipment chargings, the user needs in the Charge Management interface of mobile phone charge closing function, this moment, mobile phone MCU1 provided lasting low level to the IC3 that boosts, and stopped to boost with the order IC3 that boosts.Can learn according to the foregoing circuit principle, the utility model has been realized the precious function of charging at mobile phone, therefore have that volume is little, good portability, function is many and the good advantage of flexibility, simultaneously, because output interface 5 is international 5Pin Micro USB interface, make to the utlity model has better compatibility and wider range of application.

In the present embodiment, the 5th pin of the described IC3 of boosting is connected in GPIO module 2 as Enable Pin, the 4th pin is connected in lithium battery 4 as input, its the 6th pin is connected in output interface 5 as output, be connected with capacitor C 505 between the 2nd pin and the 3rd pin, be connected with capacitor C 504 between the 7th pin and the 8th pin, the 1st pin and the equal ground connection of the 9th pin, the 4th pin of the described IC3 that boosts is also by a capacitor C 503 ground connection, also by a capacitor C 506 ground connection, this capacitor C 503 and capacitor C 506 are filter capacitor to its 6th pin.

In the present embodiment, the 1st pin of described output interface 5 is the 5V voltage input end, the 2nd pin is the data wire negative pole, the 3rd pin is the data wire positive pole, the 4th pin is connected in the output of the IC3 that boosts, the 5th pin ground connection, the 1st pin of described output interface 5 also is connected to the negative electrode of a voltage-stabiliser tube T500, the plus earth of this voltage-stabiliser tube T500, the 2nd pin is also by a two-way voltage-stabiliser tube T503 ground connection, also by a two-way voltage-stabiliser tube T502 ground connection, the clamp voltage of described voltage-stabiliser tube T500 is 12V to the 3rd pin, and the clamp voltage of described bi-directional voltage stabilizing pipe T503 and bi-directional voltage stabilizing pipe T502 is 5V.Wherein, the 2nd pin of output interface 5 and the 3rd pin also are connected to as the transfer of data pin between the FPDP of the FPDP of mobile phone MCU1 and external electronic device, thereby the realization transfer of data, the FPDP of this mobile phone MCU1 is defined as USB_DM and USB_DP.Should be noted that, in the existing applied 5Pin Micro of the mobile phone USB interface, its the 4th pin is idle pin, the utility model has utilized the 4th pin to export charging voltage, make the utility model need not to add interface element, and do not influencing on the basis of self USB function, realizing the precious function of charging.In the practical application, described output interface 5 can be connected to other electronic equipments by USB2.0 female and the USB2.0 male that cooperatively interacts, wherein, the data pin of output interface 5 and ground dock one by one with data pin and the ground of USB2.0 female, the 4th pin of output interface 5 is connected with the 1st pin VCC end of USB2.0 female, the data pin of USB2.0 male and ground dock one by one with data pin and the ground of other electronic equipments, the 1st pin VCC of USB2.0 is connected with the 1st pin voltage input end of other electronic equipments, thereby realized the charging voltage that output interface 5 is exported is transferred to other voltage of electronic equipment inputs, and to this electronic equipment charging.

In the disclosed mobile phone that can outwards charge of the utility model, the voltage that lithium battery 4 is exported is between 2.7V～4.2V, this voltage transmission is to the IC3 that boosts, when mobile phone charges to other electronic equipments, the user needs to open charge function at the Charge Management interface of mobile phone, this moment mobile phone MCU1 with sending controling instruction to the IC3 that boosts, the IC3 that boosts carry out this control command and boost in voltage that lithium battery 4 is exported to 5V, and this 5V voltage transferred to other electronic equipments by output interface 5, thereby realized utilizing mobile phone to other electronic equipment chargings, and need not to carry the equipment such as treasured that independently charge, therefore, it is little to the utlity model has volume, many and the good advantage of flexibility of function, simultaneously, because output interface 5 is international 5PinMicroUSB interfaces, make to the utlity model has better compatibility and wider range of application.

The above is the utility model preferred embodiment, is not limited to the utility model, all modifications of making in technical scope of the present utility model, is equal to and replaces or improvement etc., all should be included in the scope that the utility model protects.

Claims

1. mobile phone that can outwards charge, it is characterized in that, described mobile phone includes a mobile phone MCU(1), one GPIO module (2), one IC(3 that boosts), one lithium battery (4) and an output interface (5), described mobile phone MCU(1) control command of sending transfers to the IC(3 that boosts by GPIO module (2)), described lithium battery (4) outputs voltage signal to the IC(3 that boosts), the described IC(3 of boosting) carry out mobile phone MCU(1) control command and the voltage signal of lithium battery (4) output is boosted to 5V, transfer to output interface (5) afterwards, the described IC(3 of boosting) chip model is AW3632, and described output interface (5) is 5Pin MicroUSB interface.

2. mobile phone as claimed in claim 1, it is characterized in that, the described IC(3 of boosting) the 5th pin is connected in GPIO module (2) as Enable Pin, the 4th pin is connected in lithium battery (4) as input, its the 6th pin is connected in output interface (5) as output, be connected with between the 2nd pin and the 3rd pin and be connected with capacitor C 504, the 1 pin and the equal ground connection of the 9th pin between capacitor C 505, the 7 pin and the 8th pin.

3. mobile phone as claimed in claim 2 is characterized in that, the described IC(3 that boosts) the 4th pin also by a capacitor C 503 ground connection, its 6th pin is also by a capacitor C 506 ground connection.

4. mobile phone as claimed in claim 2 is characterized in that, the 1st pin of described output interface (5) is the 5V voltage input end, and the 2nd pin is the data wire negative pole, and the 3rd pin is the data wire positive pole, and the 4th pin is connected in the IC(3 that boosts) output, the 5th pin ground connection.

5. mobile phone as claimed in claim 4, it is characterized in that, the 1st pin of described output interface (5) also is connected to the negative electrode of a voltage-stabiliser tube T500, the plus earth of this voltage-stabiliser tube T500, the 2nd pin is also by a two-way voltage-stabiliser tube T503 ground connection, also by a two-way voltage-stabiliser tube T502 ground connection, the clamp voltage of described voltage-stabiliser tube T500 is 12V to the 3rd pin, and the clamp voltage of described bi-directional voltage stabilizing pipe T503 and bi-directional voltage stabilizing pipe T502 is 5V.