CN207218342U - Binary channels USB special charging port controllers - Google Patents
Binary channels USB special charging port controllers Download PDFInfo
- Publication number
- CN207218342U CN207218342U CN201721001186.8U CN201721001186U CN207218342U CN 207218342 U CN207218342 U CN 207218342U CN 201721001186 U CN201721001186 U CN 201721001186U CN 207218342 U CN207218342 U CN 207218342U
- Authority
- CN
- China
- Prior art keywords
- electronic switch
- usb
- power supply
- pins
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of binary channels USB special charging port controllers,It includes AC power,AC DC translation circuits,USB charging ports identification circuit and USB port,AC power passes sequentially through AC DC translation circuits,USB charging port identification circuits are connected to USB port,USB charging ports identification circuit is two,Each USB charging ports identification circuit includes voltage detecting circuit,Accessory power supply and switch module,Voltage detecting circuit includes first voltage test side,Second voltage test side,Power end and output end,Power end is connected to the output end of AC DC translation circuits,First voltage test side and second voltage test side are respectively connecting to the D pins and D+ pins of USB port,Accessory power supply is connected to the D pins and D+ pins of USB port by switch module,Output end is connected to the control terminal of switch module.The compatible any special charging port of the utility model.
Description
Technical field
It the utility model is related to charging circuit technical field, more particularly to a kind of binary channels USB special charging port controllings
Device.
Background technology
In the charger of portable electric appts, USB applies as charger downlink port (Downstream Port)
It is the most extensive.For all kinds of different USB downstream ports, such as standard down port (Standard Downstream Port,
SDP), charge downlink port (Charging Downstream Port, CDP), special charging port (Dedicated
Charging Port, DCP) etc., it should processing is made a distinction, should be controlled for charge power.Different USB chargings
The voltage that specification applies to USB port D+ circuits and D- circuits is not quite similar, it is however generally that, existing DCP is to D+ circuits and D-
The specification for the voltage that circuit applies is as follows：
1st, Apple Divider 1DCP, it is desirable to apply 2.0V and 2.7V voltages on D+ circuits and D- circuits；
2nd, Apple Divider 2DCP, it is desirable to apply 2.7V voltages on D+ circuits and D- circuits；
3rd, BC1.2DCP, it is desirable to by D+ line short circuits to D- circuits；
4th, China Telecom's standard YD/T 1591-2009 short circuit patterns, it is desirable to by D+ line short circuits to D- circuits；
5th, Samsung DCP, it is desirable to apply 1.2V voltages on D+ circuits and D- circuits.
Therefore, it is each charging equipment manufacturer problem to be solved that can carry out compatibility for different Charging Specifications.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of binary channels USB special chargings
Port controller, it can realize that USB special chargings port is detected, while give corresponding line voltage distribution.
To achieve these goals, the utility model uses following technical scheme：
A kind of binary channels USB special charging port controllers, it includes AC power, AC-DC translation circuits, USB chargings
Port identification circuit and USB port, the AC power pass sequentially through AC-DC translation circuits, USB charging port identification circuits
USB port is connected to, the USB charging ports identification circuit is two, and each USB charging ports identification circuit includes voltage
Circuit, accessory power supply and switch module are detected, the voltage detecting circuit includes first voltage test side, second voltage detects
End, power end and output end, the power end are connected to the output end of AC-DC translation circuits, the first voltage test side and
Second voltage test side is respectively connecting to the D- pins and D+ pins of USB port, and the accessory power supply is connected by switch module
To the D- pins and D+ pins of USB port, the output end is connected to the control terminal of switch module.
Preferably, the accessory power supply includes the first accessory power supply, the second accessory power supply and the 3rd accessory power supply, described to open
Closing component includes the first electronic switch, the second electronic switch, the 3rd electronic switch, the 4th electronic switch and the 5th electronic switch,
First accessory power supply is connected to the D+ pins of USB port by the first electronic switch, and second accessory power supply passes through
Two electronic switches are connected to the D- pins of USB port, and the second accessory power supply is connected to the D+ of USB port by the 5th electronic switch
Pin, between the 3rd accessory power supply is connected to the D+ pins of USB port by the 3rd electronic switch, the 4th electronic cutting
Connection is connected between the D- pins of USB port and D+ pins.
Preferably, the output end is five, is respectively connecting to the first electronic switch, the second electronic switch, the 3rd electronics
The control terminal of switch, the 4th electronic switch and the 5th electronic switch.
Preferably, the output end is four, wherein three output ends are respectively connecting to the first electronic switch, the 3rd electronics
The control terminal of switch and the 5th electronic switch, the 4th output end are connected to the control terminal of the 4th electronic switch, described 4th
Output end is also connected to the control terminal of the second electronic switch by a NOT gate.
Preferably, the voltage of first accessory power supply, the second accessory power supply and the 3rd accessory power supply be respectively 2.7V,
2.0V and 1.2V.
Preferably, first electronic switch, the second electronic switch, the 3rd electronic switch, the 4th electronic switch and the 5th
Electronic switch is NPN triode, and the colelctor electrode of first electronic switch is connected to the first accessory power supply, second electronics
The colelctor electrode of switch and the 5th electric switch is connected to the second accessory power supply, and the colelctor electrode of the 3rd electronic switch is connected to the
Three accessory power supplys, the emitter stage of second electronic switch are connected to the D- pins of USB port, first electronic switch,
The emitter stage of three electronic switches and the 5th electronic switch is connected to the D+ pins of USB port, the collection of the 4th electronic switch
Electrode is connected between the emitter stage of the second electronic switch and the D- pins of USB port, the emitter stage of the 4th electronic switch
It is connected between the emitter stage of the first electronic switch and the D+ pins of USB port, wherein three points in four output ends
The base stage of the first electronic switch, the 3rd electronic switch and the 5th electronic switch is not connected to, and the 4th output end is connected to the 4th
The base stage of electronic switch, the 4th output end are also connected to the base stage of the second electronic switch by NOT gate.
Preferably, the output end of the AC-DC translation circuits is additionally coupled to the Vbus ports of USB port.
Preferably, the binary channels USB special chargings port controller also includes quick-charging circuit, the quick charge
Circuit includes QC3.0 fast charges circuit and fast charge USB port, and the AC power is connected to fast charge USB by QC3.0 fast charge circuits
Port.
Compared with prior art, the beneficial effects of the utility model are：The utility model is split by voltage detecting circuit
The switch for closing component is controlled, and then make it that accessory power supply is that D- pins and D+ pins supply corresponding voltage so that is applied
It is simple in construction in the Charging Specification of the compatible any charging equipment of the voltage of D- circuits and D+ circuits, it is applied widely.
Brief description of the drawings
Fig. 1 is the structured flowchart of the utility model binary channels USB special charging port controllers embodiment one；
Fig. 2 is the circuit theory diagrams of Fig. 1 USB charging port identification circuits；
Fig. 3 is the structured flowchart of the utility model binary channels USB special charging port controllers embodiment two.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further：
Embodiment one
It refer to shown in Fig. 1, a kind of binary channels USB special charging port controllers, it includes AC power 10, AC-DC
Translation circuit 20, USB charging ports identification circuit and USB port, AC power 10 pass sequentially through AC-DC translation circuits 20,
USB charging port identification circuits are connected to USB port, wherein, USB charging ports identification circuit is two, respectively the first USB
The USB charging ports identification circuit 50 of charging port identification circuit 30 and the 2nd, USB port is also two, respectively in the first USB
First USB port 40 corresponding to charging port identification circuit 30 and with the 2nd USB charging ports identification circuit 50 corresponding second
USB port 60.
The line voltage distribution of various USB special chargings ports is adapted to and compatible to realize, the utility model compared with
In good embodiment, the first USB charging ports identification circuit 30 and the 2nd USB charging ports identification circuit 50 include voltage
It can be the micro-chip processors such as single-chip microcomputer to detect circuit 31, accessory power supply and switch module, voltage detecting circuit 31, main to make
With being the voltage that gathers D+ pins and D- pins, while export work of the low and high level to switch module and be controlled.The voltage
Detection circuit 31 includes first voltage test side, second voltage test side, power end and output end, accessory power supply and passes through switches set
Part is connected to the D- pins and D+ pins of USB ports, and output end is connected to the control terminal of switch module, and power end is connected to AC-
The output end of DC translation circuits 20, first voltage test side and second voltage test side are respectively connecting to the D- pins of USB port
With D+ pins, for detect when charging equipment connects, the voltage of D- circuits and D+ circuits corresponding to D- pins and D+ pins,
And then according to the work of the voltage cut-out component.
By taking the connection of the first USB port 40 as an example, accessory power supply includes the first accessory power supply V1, the second accessory power supply V2
With the 3rd accessory power supply V3, the first accessory power supply V1, the second accessory power supply V2 and the 3rd accessory power supply V3 voltage are respectively
2.7V, 2.0V and 1.2V.Switch module includes the first electronic switch S1, the second electronic switch S2, the 3rd electronic switch S3, the 4th
Electronic switch S4 and the 5th electronic switch S5, the first accessory power supply V1 are connected to the first USB port by the first electronic switch S1
40 D+ pins, the second accessory power supply V2 are connected to the D- pins of the first USB port 40 by the second electronic switch S2, and second is auxiliary
Power supply V2 is helped to be connected to the D+ pins of the first USB port 40 by the 5th electronic switch S5, the 3rd accessory power supply V3 passes through the 3rd
Electronic switch S3 is connected between the D+ pins of the first USB port 40, and the 4th electronic switch is connected to the first USB port 40
Between D- pins and D+ pins.The output end of AC-DC translation circuits is additionally coupled to the Vbus ports of the first USB port 40, for the
One USB port 40 provides supply voltage, meanwhile, filter capacitor C is also associated between, and filter capacitor C one end connects
It is connected between the output end of AC-DC translation circuits and the Vbus ports of the first USB port 40, its other end ground connection.
As a kind of embodiment, output end uses five, is respectively connecting to the first electronic switch S1, the second electronic cutting
S2, the 3rd electronic switch S3, the 4th electronic switch S4 and the 5th electronic switch S5 control terminal are closed, is realized to five electronic switches
Control one by one.
Certainly, in the utility model preferred embodiment, by the way of four output ends, specifically, wherein three
Output end is respectively connecting to the first electronic switch S1, the 3rd electronic switch S3 and the 5th electronic switch S5 control terminal, the 4th
Output end is connected to the 4th electronic switch S4 control terminal, and the 4th output end is also connected to the second electronic switch by NOT gate 32
S2 control terminal.
First electronic switch S1, the second electronic switch S2, the 3rd electronic switch S3, the 4th electronic switch S4 and the 5th electronics
It is NPN triode to switch S5, naturally it is also possible to be other electronic switches (such as the triode of metal-oxide-semiconductor or other models or
Optocoupler or relay etc.).First electronic switch S1 colelctor electrode be connected to the first accessory power supply V1, the second electronic switch S2 and
The colelctor electrode of 5th electric switch is connected to the second accessory power supply V2, and the 3rd electronic switch S3 colelctor electrode is connected to the 3rd auxiliary
Power supply V3, the second electronic switch S2 emitter stage are connected to the D- pins of the first USB port 40, the first electronic switch S1, the 3rd
Electronic switch S3 and the 5th electronic switch S5 emitter stage are connected to the D+ pins of the first USB port 40, the 4th electronic switch
S4 colelctor electrode is connected between the second electronic switch S2 emitter stage and the D- pins of the first USB port 40, the 4th electronic cutting
The emitter stage for closing S4 is connected between the first electronic switch S1 emitter stage and the D+ pins of the first USB port 40, four outputs
Wherein three base stages for being respectively connecting to the first electronic switch S1, the 3rd electronic switch S3 and the 5th electronic switch S5 in end,
4th output end is connected to the 4th electronic switch S4 base stage, and the 4th output end is also connected to second by NOT gate 32
Electronic switch S2 base stage.
When charging equipment is connected to the first USB port 40, switch module is all off, now, in charging equipment
Battery can produce D+ the and D- pins that certain voltage signal is given to the first USB port 40, the voltage signal is set with to be charged
Standby Charging Specification is corresponding, specifically refers to the corresponding Charging Specification handbooks of DCP, so as to which voltage detecting circuit control is corresponding
Electronic switch works so that the voltage that the output of D+ and D- pins adapts to, specifically refer to table 1.
The electronic switch working condition table of each DCP charge modes of table 1
Embodiment two
Embodiment two is the improvement carried out on the basis of embodiment one, be refer to shown in Fig. 3,
Binary channels USB special charging port controllers also further comprises quick-charging circuit, and the quick-charging circuit includes
QC3.0 fast charges circuit 70 and fast charge USB port 80, AC power are connected to fast charge USB port by QC3.0 fast charges circuit 70
80, QC3.0 fast charge circuits 70 use existing chip, can be achieved directly to charge for charging equipment.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection of the utility model claims
Within the scope of.
Claims (8)
1. a kind of binary channels USB special charging port controllers, it includes AC power, AC-DC translation circuits, USB charging ends
Mouth identification circuit and USB port, the AC power passes sequentially through AC-DC translation circuits, USB charging ports identification circuit connects
It is connected to USB port, it is characterised in that the USB charging ports identification circuit is two, each USB charging ports identification circuit
Include voltage detecting circuit, accessory power supply and switch module, the voltage detecting circuit includes first voltage test side, the
Two voltage detecting ends, power end and output end, the power end are connected to the output end of AC-DC translation circuits, first electricity
Pressure test side and second voltage test side are respectively connecting to the D- pins and D+ pins of USB port, and the accessory power supply is by opening
D- pins and D+ pins that component is connected to USB port are closed, the output end is connected to the control terminal of switch module.
2. binary channels USB special charging port controllers as claimed in claim 1, it is characterised in that the accessory power supply bag
The first accessory power supply, the second accessory power supply and the 3rd accessory power supply are included, the switch module includes the first electronic switch, the second electricity
Sub switch, the 3rd electronic switch, the 4th electronic switch and the 5th electronic switch, first accessory power supply pass through the first electronic cutting
Connection is connected to the D+ pins of USB port, and the D- that second accessory power supply is connected to USB port by the second electronic switch is managed
Pin, the second accessory power supply are connected to the D+ pins of USB port by the 5th electronic switch, and the 3rd accessory power supply passes through the 3rd
Electronic switch is connected between the D+ pins of USB port, and the 4th electronic switch is connected to the D- pins and D+ pipes of USB port
Between pin.
3. binary channels USB special charging port controllers as claimed in claim 2, it is characterised in that the output end is five
It is individual, it is respectively connecting to the first electronic switch, the second electronic switch, the 3rd electronic switch, the 4th electronic switch and the 5th electronic cutting
The control terminal of pass.
4. binary channels USB special charging port controllers as claimed in claim 2, it is characterised in that the output end is four
It is individual, wherein three output ends are respectively connecting to the control terminal of the first electronic switch, the 3rd electronic switch and the 5th electronic switch, the
Four output ends are connected to the control terminal of the 4th electronic switch, and the 4th output end is also connected to the second electricity by a NOT gate
The control terminal of sub switch.
5. binary channels USB special charging port controllers as claimed in claim 2, it is characterised in that the first auxiliary electricity
The voltage in source, the second accessory power supply and the 3rd accessory power supply is 2.7V, 2.0V and 1.2V respectively.
6. binary channels USB special charging port controllers as claimed in claim 4, it is characterised in that first electronic cutting
Pass, the second electronic switch, the 3rd electronic switch, the 4th electronic switch and the 5th electronic switch are NPN triode, and described first
The colelctor electrode of electronic switch is connected to the first accessory power supply, and the colelctor electrode of second electronic switch and the 5th electric switch is all connected with
To the second accessory power supply, the colelctor electrode of the 3rd electronic switch is connected to the 3rd accessory power supply, second electronic switch
Emitter stage is connected to the D- pins of USB port, the transmitting of first electronic switch, the 3rd electronic switch and the 5th electronic switch
Pole is connected to the D+ pins of USB port, and the colelctor electrode of the 4th electronic switch is connected to the emitter stage of the second electronic switch
Between the D- pins of USB port, the emitter stage of the 4th electronic switch is connected to the emitter stage and USB of the first electronic switch
Between the D+ pins of port, wherein three in four output ends are respectively connecting to the first electronic switch, the 3rd electronic cutting
Close and the base stage of the 5th electronic switch, the 4th output end are connected to the base stage of the 4th electronic switch, the 4th output end is also
The base stage of the second electronic switch is connected to by NOT gate.
7. the binary channels USB special charging port controllers as described in claim any one of 1-6, it is characterised in that the AC-
The output end of DC translation circuits is additionally coupled to the Vbus ports of USB port.
8. the binary channels USB special charging port controllers as described in claim any one of 1-6, it is characterised in that described double
Passage USB special chargings port controller also includes quick-charging circuit, and the quick-charging circuit includes QC3.0 fast charge circuits
With fast charge USB port, the AC power is connected to fast charge USB port by QC3.0 fast charge circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721001186.8U CN207218342U (en) | 2017-08-09 | 2017-08-09 | Binary channels USB special charging port controllers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721001186.8U CN207218342U (en) | 2017-08-09 | 2017-08-09 | Binary channels USB special charging port controllers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207218342U true CN207218342U (en) | 2018-04-10 |
Family
ID=61818252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721001186.8U Expired - Fee Related CN207218342U (en) | 2017-08-09 | 2017-08-09 | Binary channels USB special charging port controllers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207218342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086230A (en) * | 2019-05-29 | 2019-08-02 | 维沃移动通信有限公司 | Charging unit and charging method |
-
2017
- 2017-08-09 CN CN201721001186.8U patent/CN207218342U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086230A (en) * | 2019-05-29 | 2019-08-02 | 维沃移动通信有限公司 | Charging unit and charging method |
| WO2020238340A1 (en) * | 2019-05-29 | 2020-12-03 | 维沃移动通信有限公司 | Charging apparatus and charging method |
| CN110086230B (en) * | 2019-05-29 | 2021-01-08 | 维沃移动通信有限公司 | Charging device and charging method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203933124U (en) | A kind of single interface portable power source, bluetooth keyboard and protective sleeve | |
| CN101924383B (en) | Mobile terminal of automatically setting charging current and implementation method thereof | |
| CN102832669B (en) | Intelligent charge-discharge control circuit of battery | |
| CN201813422U (en) | Charging chip and mobile terminal capable of automatically adjusting charging mode | |
| CN203747485U (en) | Electronic equipment charging device and power supply adapter thereof | |
| CN105022468B (en) | USB adapter and USB line | |
| CN101807805B (en) | Charging management circuit and power supply adapting device | |
| CN105186598B (en) | USB inserts automatic identification and electric power system and is integrated with the chip of the system | |
| CN203056644U (en) | Intelligent charge-discharge control circuit of battery | |
| CN102916461A (en) | Intelligent charge-discharge control circuit of battery | |
| CN211405513U (en) | Electric energy system | |
| CN203788013U (en) | Multifunctional mobile power supply | |
| CN203481855U (en) | Portable power supply device | |
| CN207218342U (en) | Binary channels USB special charging port controllers | |
| CN206195365U (en) | Mobile power supply apparatus | |
| CN206506311U (en) | Charging balanced circuit and lithium battery | |
| CN203039400U (en) | Novel quick charging multipurpose mobile power supply | |
| CN105676934B (en) | A kind of power circuit | |
| CN203014439U (en) | Automatic identification apparatus of charger | |
| CN203933057U (en) | A kind of portable multi-function portable power source | |
| CN206162374U (en) | Simply stabilize lossless button switch circuit | |
| CN204858641U (en) | Charger data line and charger | |
| CN205104937U (en) | Charger and mobile terminal | |
| CN206195081U (en) | Main, vice output interlock control function socket | |
| CN207184087U (en) | A kind of portable power source automatic recognition of load circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20200809 |