CN205489592U - Be used for exoelectric QC2. 0 of portable power source agreement circuit - Google Patents
Be used for exoelectric QC2. 0 of portable power source agreement circuit Download PDFInfo
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- CN205489592U CN205489592U CN201620016753.6U CN201620016753U CN205489592U CN 205489592 U CN205489592 U CN 205489592U CN 201620016753 U CN201620016753 U CN 201620016753U CN 205489592 U CN205489592 U CN 205489592U
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Abstract
The utility model discloses a be used for exoelectric QC2.0 of portable power source agreement circuit, including USB mouth P2, resistance R12, resistance R13, resistance R17, resistance R18 and electric capacity C7, boost circuit and charging voltage input port V2_OUT are connected to USB mouth P2's foot 1, and USB mouth P2's foot 2 connecting resistance R12 and resistance R13, resistance R12's the other end connect MCU's AD mouth D+, and USB mouth P2's foot 3 and MCU's AD mouth D - are connected to resistance R13's the other end. The utility model discloses ingenious utilize singlechip and simple peripheral circuit to realize QC2.0's agreement to shake hands to IC don't be agreed in the realization can realize also that it charges to carry out the QC2.0 agreement for the smart machine, and circuit structure is simple. Use in a flexible way, even if QC2.0's standard is upgraded, can be suitable for to promote the price / performance ratio of existing product.
Description
Technical field
This utility model relates to a kind of protocol circuit, a kind of QC2.0 protocol circuit for portable power source electric discharge.
Background technology
Along with the arriving of big data age, mobile phone is the most no longer simply to make a phone call, and sends out news in brief.The application of various intelligence greatly facilitates the live and work of modern, and people use the frequency of mobile phone more and more higher, more and more higher to the capacity requirement of battery of mobile phone, natural more and more higher for the requirement of charging rate.For so, each manufacturer starts to release various intelligence and fills agreement soon, wherein fills most widely used general soon with the QC2.0 of high pass, and QC2.0 fills soon to have the mobile phone such as Samsung, Semen setariae all to support at present.Each chip manufacturer begins for QC2.0 agreement and is proposed new agreement IC, and the equipment using this IC can realize and support QC2.0 to charge completes handshake procedure, thus opens the high-voltage charge pattern of charger.Agreement IC has had been applied on various onboard charger, portable power source, power supply adaptor at present.The problem that this utility model mainly solves is exactly the protocol handshake utilizing single-chip microcomputer and simple peripheral circuit to realize QC2.0 cleverly, thus realize not agreement IC and can also realize carrying out QC2.0 agreement charging to smart machine, thus promote the cost performance of existing product.
Utility model content
The purpose of this utility model is to provide the multi-chip package method of testing based on MCU of a kind of simple in construction, stable performance, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of QC2.0 protocol circuit for portable power source electric discharge, including USB port P2, resistance R12, resistance R13, resistance R17, resistance R18 and electric capacity C7, the foot 1 of described USB port P2 connects booster circuit and charging voltage input port V2_OUT, the foot 2 of USB port P2 connects resistance R12 and resistance R13, the other end of resistance R12 connects the AD mouth D+ of MCU, the other end of resistance R13 connects the AD mouth D-of the foot 3 and MCU of USB port P2, the foot 4 of USB port P2 connects resistance R17 and resistance R18, the other end of resistance R17 connects electric capacity C7 and voltage V-1OUT1, the other end ground connection of electric capacity C7.
As preferred version of the present utility model: described USB port P2 is also connected with QC2.0 and manages equipment M.
Compared with prior art, the beneficial effects of the utility model are: this utility model utilizes single-chip microcomputer and simple peripheral circuit to realize the protocol handshake of QC2.0 cleverly, thus realize not agreement IC and can also realize carrying out QC2.0 agreement charging to smart machine, circuit structure is simple.Application flexibly, even if the standard upgrade of QC2.0, also can be suitable for, thus promote the cost performance of existing product.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this practicality utility model example, the technical scheme in this practicality utility model example is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to Fig. 1, in this practicality utility model example, a kind of QC2.0 protocol circuit for portable power source electric discharge, including USB port P2, resistance R12, resistance R13, resistance R17, resistance R18 and electric capacity C7, the foot 1 of described USB port P2 connects booster circuit and charging voltage input port V2_OUT, the foot 2 of USB port P2 connects resistance R12 and resistance R13, the other end of resistance R12 connects the AD mouth D+ of MCU, the other end of resistance R13 connects the AD mouth D-of the foot 3 and MCU of USB port P2, the foot 4 of USB port P2 connects resistance R17 and resistance R18, the other end of resistance R17 connects electric capacity C7 and voltage V-1OUT1, the other end ground connection of electric capacity C7.
USB port P2 is also connected with QC2.0 and manages equipment M.
Operation principle of the present utility model is: owing to current portable power source more than 95% is useful AD type MCU, so we can be by AD type MCU, in conjunction with above circuit, it is possible to allow portable power source realize QC2.0 protocol handshake to equipment when discharging.Thus realize high-power charging.
In figure, P2 is USB discharge port, is used for machine of taking over etc. and supports the equipment of QC2.0.
V2_OUT is charging voltage input port, is external to booster circuit modular circuit simultaneously, owing to boost module and this utility model are unrelated, does not illustrates at this.
R18 is discharge current thief hatch, and R17, C7 are simple RC filtering, and this partial circuit is general known technology, does not illustrates at this.
D+, D-are the AD mouth receiving MCU, and R12, R13 combination coordinates D-, D+ to realize protocol handshake, and specific works flow process is as follows:
1, once equipment M (stating for convenience, represent equipment with M) is linked into P2, and now D+, D-are set to AD input port, and 2 feet of P2 and 3 feet are equivalent to be shorted together by R13.
2, equipment M can produce the voltage of a 0.325V automatically on 2 feet, sounds out 2 feet and whether 3 feet turn on, and this process maintains general about 1.25s, if 3 feet receive identical voltage, then it is assumed that 2 feet and 3 feet are conductings.
3, D+, D-gather 2 feet and the voltage of 3 feet, if be detected that the voltage of 0.325, and maintain 1.25S, now D-is set to output pin, exports 0.
4, now equipment M can detect that the voltage of D-declines, and M then will be considered that charger is the equipment supporting QC charging, actively can export a voltage at 2 feet and 3 feet.
5, D-, D+ are after 500ms, are set to AD mouth, start to detect 2 feet and the voltage of 3 feet, according to the voltage detected, utilize booster circuit to boost, and discharge to M equipment.
Claims (2)
1. the QC2.0 protocol circuit for portable power source electric discharge, it is characterized in that, including USB port P2, resistance R12, resistance R13, resistance R17, resistance R18 and electric capacity C7, the foot 1 of described USB port P2 connects booster circuit and charging voltage input port V2_OUT, the foot 2 of USB port P2 connects resistance R12 and resistance R13, the other end of resistance R12 connects the AD mouth D+ of MCU, the other end of resistance R13 connects the AD mouth D-of the foot 3 and MCU of USB port P2, the foot 4 of USB port P2 connects resistance R17 and resistance R18, the other end of resistance R17 connects electric capacity C7 and voltage V-1OUT1, the other end ground connection of electric capacity C7.
A kind of QC2.0 protocol circuit for portable power source electric discharge the most according to claim 1, it is characterised in that described USB port P2 is also connected with QC2.0 and manages equipment M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620016753.6U CN205489592U (en) | 2016-01-08 | 2016-01-08 | Be used for exoelectric QC2. 0 of portable power source agreement circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620016753.6U CN205489592U (en) | 2016-01-08 | 2016-01-08 | Be used for exoelectric QC2. 0 of portable power source agreement circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205489592U true CN205489592U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620016753.6U Withdrawn - After Issue CN205489592U (en) | 2016-01-08 | 2016-01-08 | Be used for exoelectric QC2. 0 of portable power source agreement circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205489592U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471047A (en) * | 2016-01-08 | 2016-04-06 | 深圳市博巨兴实业发展有限公司 | QC2.0 protocol circuit for mobile power supply discharge |
| CN106385074A (en) * | 2016-10-12 | 2017-02-08 | 成都芯源系统有限公司 | Charging mode automatic detection unit, charging circuit and related method |
-
2016
- 2016-01-08 CN CN201620016753.6U patent/CN205489592U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471047A (en) * | 2016-01-08 | 2016-04-06 | 深圳市博巨兴实业发展有限公司 | QC2.0 protocol circuit for mobile power supply discharge |
| CN105471047B (en) * | 2016-01-08 | 2019-10-01 | 深圳市博巨兴微电子科技有限公司 | A kind of QC2.0 protocol circuit for mobile power source electric discharge |
| CN106385074A (en) * | 2016-10-12 | 2017-02-08 | 成都芯源系统有限公司 | Charging mode automatic detection unit, charging circuit and related method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518051 Shenzhen Nanshan District, Guangdong Province, Guangdong Province, Yuehai Street High-tech Zone Community Science and Technology South Road 18 Shenzhen Bay Science and Technology Eco-Park 12 Skirt Building 732 Patentee after: Shenzhen Bojuxing Microelectronics Technology Co., Ltd. Address before: 518000 4th Floor, New Material Port D(4) Building, No.2 Changyuan New Material Port, Zhongxin Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Bojuxing Industrial Development Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20191001 |