CN206412566U - A kind of usb hub for supporting to fill soon - Google Patents
A kind of usb hub for supporting to fill soon Download PDFInfo
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- CN206412566U CN206412566U CN201621453810.3U CN201621453810U CN206412566U CN 206412566 U CN206412566 U CN 206412566U CN 201621453810 U CN201621453810 U CN 201621453810U CN 206412566 U CN206412566 U CN 206412566U
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Abstract
The utility model discloses a kind of usb hub for supporting to fill soon, including input circuit, output circuit, booster circuit, protocol handshake circuit, MCU controllers and power supply circuit are filled soon；Input circuit, be connected reception power input with one or more charge power supplies；Output circuit, is connected by a USB charging output interface with charging equipment；Power supply circuit, working power is provided to fill protocol handshake circuit and MCU controllers soon；Booster circuit, input power is converted to the out-put supply for the quick charge match parameters supported with charging equipment；Protocol handshake circuit, the quick charge parameter that identification charging equipment is supported are filled soon；MCU controllers, are the control core of whole circuit.Usb hub of the present utility model can be recognized fills charge parameter soon, and its power is added and meeting when charging equipment fills requirement soon there is provided the power supply matched with charging equipment, realizing quick charge by the input by receiving multiple charge power supplies.
Description
Technical field
The utility model is related to charging equipment technical field, more particularly to a kind of usb hub for supporting to fill soon.
Background technology
Current quick charge (referred to as fills) technology in mobile phone, virtual reality device (Virtual Reality, letter soon
Claim VR) etc. obtained being widely applied very much on consumer electronics product, very big convenience is brought to user.However, supporting fast
The electronic product filled is required for that equipped with special charger quick charge could be realized, for what is be widely used for a long time
Common 5V chargers, on the one hand can not recognize the fast charge protocols such as QC2.0, on the other hand the power output of common 5V chargers
Also it is not enough to fill VR equipment even load soon.
And the fast fill device such as mobile phone is often required to carry with, and not timing supplement electricity, frequently encounter leave behind it is special
Charger, causes situation about can only be charged by common charger or computer USB interface, and charging is slow, it is impossible to meet user's need
Ask, waste the equipment such as mobile phone fills design soon.
Utility model content
In view of the common 5V chargers of prior art or computer USB interface etc. can not be carried out soon to the electronic equipment that support is filled soon
The problem of speed charging, it is proposed that a kind of usb hub for supporting to fill soon of the present utility model, to overcome above mentioned problem or extremely
Partially solve the above problems.
To achieve these goals, the utility model employs following technical scheme：
A kind of usb hub for supporting to fill soon, including input circuit, output circuit, booster circuit, fill soon protocol handshake electricity
Road, MCU controllers and power supply circuit；
The input circuit, with multiple USB charging input ends mouthful, passes through the multiple USB charging input ends mouthful and one
Individual or multiple charge power supplies, which are connected, receives power input, is that the booster circuit and the power supply circuit provide input power；
The output circuit, with a USB charging output interface, passes through the charging output interface and charging equipment
It is connected, power supply output is provided for the charging equipment；
The power supply circuit, the input power that the input circuit is provided is converted into working power, is described to fill association soon
View handshake circuit and the MCU controllers are powered；
The booster circuit, the input power that the input circuit is provided is converted to what is supported with the charging equipment
The out-put supply of quick charge match parameters, the charging equipment is supplied to by the output circuit；
It is described to fill protocol handshake circuit soon, it is connected with the output circuit, is held during charging connection with the charging equipment
Hand, recognizes the quick charge parameter that the charging equipment is supported, and recognition result is fed back into the MCU controllers；
The MCU controllers, receive the recognition result for filling protocol handshake electronic feedback soon, adjust the boosting electricity
Road, the charging quickly parameter that the out-put supply and the charging equipment for making the booster circuit are supported is matched；And, described defeated
When the charge power supply quantity for entering circuit connection changes, the booster circuit conducting is controlled, and detect the input circuit
Sampled voltage, judges whether the sampled voltage of the input circuit reaches given threshold, if so, then maintaining the booster circuit to lead
It is logical, out-put supply is provided for the output circuit, if it is not, then controlling the booster circuit to disconnect, is stopped as the output circuit
Out-put supply is provided.
Alternatively, each USB charging input interfaces of the input circuit are connected to by a protection diode of connecting
Together；Each USB charging input interfaces are also grounded by the sampling resistors of two series connection, the junction of two sampling resistors and institute
An input for stating MCU controllers is connected, and receives the sampled voltage detection of the MCU controllers.
Alternatively, the booster circuit, including boost chip and feedback resistive network, the Enable Pin of the boost chip with
One output end of the MCU controllers is connected, and receives the MCU controllers control；The feedback resistive network and the liter
The feedback end of chip is pressed to be connected, the MCU controllers are by controlling the feedback resistive network to adjust the defeated of the boost chip
Go out voltage.
Alternatively, the feedback resistive network includes first resistor, second resistance, 3rd resistor, the 4th resistance and control
Switch；Described first resistor one end is by an inductance connection of connecting to the boost chip output end, and the other end is connected to described
Boost chip feedback end；Described second resistance one end is connected to the boost chip feedback end, other end ground connection；The control is opened
Close as SP3T switch, its moved end is connected to the boost chip feedback end, and it does not connect free end, described in moved end respectively
Three resistance one end and described 4th resistance one end, the 3rd resistor other end and the 4th resistance other end are grounded, institute
State controlling switch with an output end of the MCU controllers to be connected, receive the MCU controllers control.
Alternatively, the power output end of the booster circuit is additionally provided with electric capacity, and described electric capacity one end is connected to described
The junction of one resistance and the inductance, other end ground connection.
Alternatively, it is described to fill protocol handshake circuit soon, including protocol handshake chip is filled soon, it is described to fill protocol handshake chip soon
D+ pins and D- pins respectively with the USB charge output interface D+ pins and D- pins be connected, same institute during charging connection
State charging equipment to shake hands, recognize the quick charge parameter that the charging equipment is supported, the protocol handshake chip that fills soon
Three pressure feedback ports connect one end of a feedback resistance respectively, and the other end of three feedback resistances links together, and three
The connection end of the individual feedback resistance is connected with an input of the MCU controllers simultaneously, is connected to institute by pull-up resistor
State the output end of power supply circuit and be grounded by pull down resistor, the protocol handshake chip that fills soon is by feeding back corresponding voltage
Recognition result is fed back to the MCU controllers by value.
Alternatively, the power supply circuit includes low pressure difference linear voltage regulator, the input of the low pressure difference linear voltage regulator
It is connected with the input circuit, receives the input power that the input circuit is provided, the output of the low pressure difference linear voltage regulator
End is connected with the power end and the power end for filling protocol handshake chip soon of the MCU controllers respectively, is the two power supply.
Alternatively, the usb hub for supporting to fill soon also includes on-off circuit, and the on-off circuit is arranged on described defeated
Enter between circuit and the booster circuit, including a metal-oxide-semiconductor, an output of the grid of the metal-oxide-semiconductor and the MCU controllers
End is connected, and receives the MCU controllers control, is together turned on or off with the booster circuit.
Alternatively, the usb hub for supporting to fill soon also includes indicating circuit, and the indicating circuit refers to including 2 LED
Show lamp, each LED light is connected with an output end of the MCU controllers respectively, when the MCU controllers judge described
When the sampled voltage of input circuit reaches given threshold, control one of indicator lamp to light, otherwise, control another indicator lamp
It is luminous.
Alternatively, the charge power supply of the input circuit connection is USB charger, USB charger babies or connect with power supply USB
The intelligent terminal of mouth.
The beneficial effects of the utility model are：
Usb hub of the present utility model include input circuit, output circuit, booster circuit, fill soon protocol handshake circuit,
MCU controllers and power supply circuit, the function of charge parameter is filled with identification, the input of multiple charge power supplies can be received soon, will
Its power add and, there is provided match to charging equipment when judging that power disclosure satisfy that charging equipment fills requirement soon
Charging quickly source, realizes quick charge.
Brief description of the drawings
A kind of usb hub block diagram for supporting to fill soon that Fig. 1 provides for the utility model one embodiment；
A kind of usb hub block diagram for supporting to fill soon that Fig. 2 provides for the utility model another embodiment；
A kind of physical circuit design for usb hub for supporting to fill soon that Fig. 3 provides for the utility model one embodiment
Figure.
Embodiment
Core concept of the present utility model is：Setting can receive the usb hub of multiple power inputs simultaneously, and at it
In set up and fill protocol handshake circuit, MCU controllers and booster circuit soon, what identification was electrically charged equipment support fills charge parameter soon,
Under the control of MCU controllers, by receiving the input of multiple common charge power supplies simultaneously, its charge power is superimposed, sentenced
Power-off source power can be met there is provided the charging quickly source matched to charging equipment when charging equipment fills requirement soon, realized quick
Charging.
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
Embodiment 1
A kind of usb hub block diagram for supporting to fill soon that Fig. 1 provides for the utility model one embodiment, as shown in figure 1,
A kind of usb hub for supporting to fill soon, including input circuit 110, output circuit 120, booster circuit 130, protocol handshake is filled soon
Circuit 140, MCU controllers 150 and power supply circuit 160.
Input circuit 110, with multiple USB charging input ends mouthful, passes through multiple USB charging input ends mouthful and one or many
Individual charge power supply is connected, and receives power input, is that booster circuit 130 and power supply circuit 160 provide input power.
The multiple USB charging input ends mouthful of design in input circuit 110, receive multiple charge power supply inputs, can solve the problem that
Single generic USB charge power supply can not provide enough power, it is impossible to meet the problem of charging equipment fills demand soon.
Output circuit 120, with a USB charging output interface, by charging, output interface is connected with charging equipment,
Power supply output is provided for charging equipment.
Power supply circuit 160, the input power that input circuit 110 is provided is converted into working power, is to fill protocol handshake soon
Circuit 140 and MCU controllers 150 are powered, so that access can be utilized by filling protocol handshake circuit 140 and MCU controllers 150 soon
Charge power supply carries out normal work.
Booster circuit 130, the input power that input circuit 110 is provided is converted to the charge parameter with charging equipment
The out-put supply matched somebody with somebody, charging equipment is supplied to by output circuit 120.
Protocol handshake circuit 140 is filled soon, is connected with output circuit 120, is shaken hands during charging connection with charging equipment, is recognized
The quick charge parameter that charging equipment is supported, and recognition result is fed back into MCU controllers 150.
MCU controllers 150, receive the recognition result for filling the feedback of protocol handshake circuit 140 soon, adjust booster circuit 130, make
The out-put supply of booster circuit 130 is matched with the charge parameter of charging equipment；And, the charging connected in input circuit 110
When number of power sources changes, the charge power supply quantity of such as connection then controls booster circuit from having without change or many from few change
130 conductings, and the sampled voltage of input circuit 110 is detected, judge whether the sampled voltage of input circuit 110 reaches setting threshold
Value, is that output circuit 120 provides out-put supply, if it is not, then controlling booster circuit if so, then maintaining booster circuit 130 to turn on
130 disconnect, and stop providing out-put supply for output circuit 120.
Pass through the usb hub of the present utility model for supporting to fill soon, it is possible to use multiple common chargers are fast to supporting
The fast fill device for filling agreement carries out quick charge, applied widely without special fast charger, can effectively solve general
The problem of logical charger charged slow.
Wherein, the charge power supply that input circuit 110 is connected can be common 5V/1A or 5V/0.5AUSB chargers,
Can be common USB charger babies or the intelligent terminal with power supply USB interface.For example, when travelling outdoors, being filled using multiple
Electric precious connection usb hub of the present utility model, realizes the quick charge to the fast fill device such as mobile phone, solves not having during outgoing long journey
There is civil power, it is impossible to realize the problem of equipment is filled soon；Or, by by multiple USB interfaces on computer and USB of the present utility model
Hub is connected, and is realized and filled soon using multiple USB interfaces of computer, solves the problem of existing computer interface charged slow.
Specifically, Fig. 3 provides a kind of physical circuit design drawing for the usb hub for supporting to fill soon of the utility model, its
Chips U3 is MCU controllers 150.
With reference to Fig. 3, input circuit 110 includes 5 USB charging input interfaces, respectively Micro USB_1, Micro
USB_2, Micro USB_3, Micro USB_4 and Micro USB_5, each USB charging input interfaces pass through the guarantor that connects
Shield diode is connected together, and the numbering of protection diode is respectively D1, D2, D3, D4 and D5；Input circuit 110 also includes 10
Individual sampling resistor：R1、R2；R3、R4；R5, R6；R7、R8；R9, R10, each USB charging input interfaces by two series connection adopt
Sample resistance eutral grounding, the junction of two sampling resistors is connected with a MCU controllers U3 input, receives MCU controllers U3
Sampled voltage detection.
The voltage that MCU controllers U3 passes through two sampling resistor junctions of detection, you can judge corresponding charging input
Whether whether port filled soon to load enough inserted with power supply, and the power of insertion.For example, by judging in figure
Sampled point A --- whether the magnitude of voltage at E is higher than 0V, you can judge whether corresponding charging port is connected with charge power supply；
When charging circuit is turned on, by judging sampled point A --- whether voltage at E is more than or equal to given threshold, for example for
5V charge power supplies set 4.8V as threshold value, to judge whether charge power supply meets the power requirement of charging equipment.
Preferably, booster circuit 130, including boost chip U1 and feedback resistive network, boost chip U1 Enable Pin EN
It is connected with a MCU controllers U3 output end OUT_1, receives MCU controllers U3 controls；Feedback resistive network and boost chip
U1 feedback end FB is connected, and MCU controllers U3 is by controlling feedback resistive network to adjust boost chip U1 output voltage.
Specifically, feedback resistive network includes first resistor R11, second resistance R12,3rd resistor R13, the 4th resistance
R14 and controlling switch SW；First resistor R11 one end is connected to boost chip U1 output end LX by the inductance L that connects, another
End is connected to boost chip U1 feedback ends FB；Second resistance R12 one end is connected to boost chip U1 feedback end FB, another termination
Ground；Controlling switch SW is SP3T switch, and its moved end is connected to boost chip U1 feedback end FB, and it does not connect outstanding in moved end respectively
Dead end (at 0 position), 3rd resistor R13 one end (at 2 positions) and the 4th resistance R14 one end (at 1 position), 3rd resistor R13
The other end and the 4th resistance R14 other ends are grounded, and controlling switch SW is connected with a MCU controllers U3 output end OUT_2,
Receive MCU controllers U3 controls, be switched to diverse location.
Original state, controlling switch SW is beaten at 0 position, now only R12 be connected to boost chip U1 feedback end FB and
Between ground, boost chip U1 output 5V voltages；When MCU controllers U3 controls SW is beaten to 1 position, R12 and R14 parallel connections are followed by
Between feedback end FB and ground, now boost chip U1 exports 9V voltages；When MCU controllers U3 controls SW is beaten to 2 position, R12
And R13 parallel connections are followed by between feedback end FB and ground, now boost chip U1 exports 12V voltages, so as to meet charging equipment
Different voltage requirements.Wherein, controlling switch SW can be realized using switch chip common on the market, will not be repeated here.
Preferably, the power output end of booster circuit 130 is additionally provided with electric capacity COUT, and electric capacity COUT one end is connected to first
Resistance R11 and inductance L junction, other end ground connection.Boosting, electric capacity are realized by electric capacity COUT and inductance L discharge and recharge
COUT also has pressure stabilization function, and the power supply after boosting is smoothly exported to load to be charged.
Preferably, protocol handshake circuit 140 is filled soon, including fills protocol handshake chip U4 soon, as shown in figure 3, the present embodiment
What is used in circuit fills protocol handshake chip for high pass QC2.0 fast charge protocol identification chip FP6600 soon, and agreement is filled soon and is held
Hand chip U4 D+ pins and D- pins is connected with the D+ pins and D- pins of USB charging output interfaces respectively, same during charging to treat
Charging equipment is shaken hands, the charge parameter that identification charging equipment is supported, specific identification charging equipment is supported in the present embodiment
Voltage, three pressure feedback ports VSEN1, VSEN2 and VSEN3 that protocol handshake chip U4 is filled soon connect feedback resistance respectively
RSEN1, RSEN2 and RSEN3 one end, the other end of three feedback resistances link together, the connection end of three feedback resistances
It is connected with a MCU controllers U3 input ADI_6 simultaneously, the defeated of power supply circuit is connected to by pull-up resistor R15 and RVCO
Go out end (U2 output ends in figure) and be grounded by pull down resistor R16, protocol handshake chip U4 is filled soon and passes through the corresponding electricity of feedback
Recognition result is fed back to MCU controllers U3 by pressure value.
MCU controllers U3 to H point voltages by sampling, you can judges the charging quickly pressure that fast fill device is supported, example
Such as filling soon for 5V, 9V or 12V, MCU controllers U3 controls the controlling switch SW of feedback resistive network according to the sampled voltage of H points
Switch motion, the voltage that the output voltage of booster circuit is adjusted to match with charging equipment.
Certainly, on the basis of the present embodiment electric circuit diagram design, protocol handshake is alternatively also filled soon using other models
Chip, and correspondingly change the feedback resistive network of booster circuit, realize that difference fills filling soon under agreement soon, for example QC3.0 is fast
Fill, or or PD agreements fill soon, it is on sale to fill chip market of shaking hands soon accordingly, will not be repeated here.
Preferably, power supply circuit 160 includes low pressure difference linear voltage regulator U2 (Low Dropout Regulator, abbreviation
LDO), low pressure difference linear voltage regulator U2 input IN is connected with input circuit 110, receives the input that input circuit 110 is provided
Power supply, low pressure difference linear voltage regulator U2 output end OUT respectively with MCU controllers U3 power end VDD and filling protocol handshake soon
Chip U4 power end VDD is connected, and is the two power supply.For example, by low pressure difference linear voltage regulator U2, input circuit is provided
5V voltage conversions are 3.3V, supply MCU controllers U3 and fill protocol handshake chip U4 soon and use.
Embodiment 2
A kind of usb hub block diagram for supporting to fill soon that Fig. 2 provides for the utility model another embodiment.In this implementation
In example, the usb hub filled soon is supported also to include on-off circuit 170, on-off circuit 170 is arranged on input circuit 110 and boosting
Between circuit 130.
Specifically, referring again to Fig. 3, on-off circuit 170 includes a metal-oxide-semiconductor Q, metal-oxide-semiconductor Q grid and MCU controllers 150
An output end OUT_5 be connected, receive MCU controllers 150 and control, be together turned on or off with booster circuit 130, so that more
The reliable break-make for ensureing charging circuit, further reduces the leakage current when boost chip U1 is closed.
In example 2, the usb hub filled soon is supported also to include indicating circuit 180.
Specifically, with reference to Fig. 3, indicating circuit 180 includes 2 LED lights LED_red and LED_green, sets respectively
For red and green, two LED lights are connected with the output end OUT_3 and OUT_4 of MCU controllers 150 respectively, when MCU controls
When device 150 processed judges that the sampled voltage of input circuit 110 reaches given threshold, control one of indicator lamp to light, for example, control
LED_green processed is lighted, and is represented normally can now charge to load, otherwise, is controlled another indicator lamp to light, for example, control
LED_red is lighted, and represents the charger number now inserted not enough, underpower, is not enough to fill load soon.
With reference to Fig. 3, the workflow for the usb hub that the utility model support is filled soon is illustrated：
Common charge power supply is connected with charging equipment when by the usb hub of the present utility model for supporting to fill soon
When, U4 carries out identification of shaking hands with charging equipment, judges whether equipment supports QC2.0 to fill soon by D+, D-, and judges to support
Charging quickly pressure be how many.
U4 can adjust the magnitude of voltage of H points after being shaken hands successfully with load equipment according to the result of identification, and MCU controllers U3 passes through
Sampling is carried out to H points voltage can judge the charging quickly pressure that equipment is supported, MCU controllers U3 is according to the sampled voltage controls of H points
SW switch motions processed, SW is got to behind relevant position, and MCU controllers U3 is opened switching tube Q by output end OUT_1, simultaneously
U1 is set to work by output end OUT_5.Now, Micro USB charging input ends mouthful, switching tube Q and the boost chip of input
U1 constitutes charging circuit complete in usb hub.
Because the QC2.0 charge powers supported are much larger than common charger power output, input Micro USB ports are inserted
The problem of common charger entered there may be underpower, it is impossible to normal power supply, then now need insertion is multiple commonly to fill
Electrical equipment is charged parallel to equipment.MCU controllers U3 is by detecting that A points, B points, C points, D points, E point voltages judge corresponding
Whether Micro USB ports when the voltage of correspondence test point be zero, represent the Micro USB port do not have inserted with charger
There is insertion charger.
It is assumed that being now the common charger that a 5V/500mA is inserted in Micro USB_1 interfaces, U4 judges to bear
Carry and fill interface soon for 9V/2A, SW is got to 1 location matches booster circuit output 9V voltages by MCU controllers U3, and beats switching tube
Q and U1, turns on charging circuit, and now because single charger power is not enough, voltage will be pulled low at A points, MCU controllers U3
Compared according to voltage sample value at A points with given threshold, judge that voltage does not reach given threshold, then will by OUT_5 and OUT_1
Switching tube Q is turned off and U1 shut-offs, now, Micro USB_1 inputs disconnect with output, also, MCU controllers U3 is by LED_red
Light, represent the charger number now inserted not enough, underpower is not enough to fill load soon.
When being inserted into a charger in input, i.e., now Micro USB_1 and Micro USB_2 have charging
Device, MCU controllers U3 is first turned on switching tube Q and U1, now, and Micro USB_1, Micro USB_2, Q, U1 are constituted to load
One complete charging circuit.
After after the connection of this charging circuit, MCU controllers U3 is detected to A, B point voltage, if this 2 voltages exist
In normal range (NR), MCU controllers U3 lights LED_green, represents normally can now charge to load；If detect A,
B point voltages are still too low, MCU controllers U3 will LED_red light, and switching tube Q is disconnected, U1 disconnects, and now needs again
Insert charger.
It is described above, embodiment only of the present utility model, under above-mentioned teaching of the present utility model, this area
Technical staff can carry out other improvement or deformation on the basis of above-described embodiment.It will be understood by those skilled in the art that
Above-mentioned specific descriptions are more preferable explanation the purpose of this utility model, and protection domain of the present utility model should be with claim
Protection domain be defined.
Claims (10)
1. a kind of usb hub for supporting to fill soon, it is characterised in that including input circuit, output circuit, booster circuit, fill soon
Protocol handshake circuit, MCU controllers and power supply circuit；
The input circuit, with multiple USB charging input ends mouthful, by the multiple USB charging input ends mouthful with one or
Multiple charge power supplies, which are connected, receives power input, is that the booster circuit and the power supply circuit provide input power；
The output circuit, with a USB charging output interface, passes through the charging output interface and charging equipment phase
Even, power supply output is provided for the charging equipment；
The power supply circuit, the input power that the input circuit is provided is converted into working power, is that the agreement of filling soon is held
Torch road and the MCU controllers are powered；
The booster circuit, the input power that the input circuit is provided is converted to quick with charging equipment support
The out-put supply that charge parameter matches, the charging equipment is supplied to by the output circuit；
It is described to fill protocol handshake circuit soon, it is connected with the output circuit, is shaken hands during charging connection with the charging equipment, is known
The quick charge parameter that not described charging equipment is supported, and recognition result is fed back into the MCU controllers；
The MCU controllers, receive the recognition result for filling protocol handshake electronic feedback soon, adjust the booster circuit, make
The out-put supply of the booster circuit is matched with the charging quickly parameter that the charging equipment is supported；And, in the input electricity
When the charge power supply quantity of road connection changes, the booster circuit conducting is controlled, and detect the sampling of the input circuit
Voltage, judges whether the sampled voltage of the input circuit reaches given threshold, if so, then maintain the booster circuit to turn on,
Out-put supply is provided for the output circuit, if it is not, then controlling the booster circuit to disconnect, stops providing for the output circuit
Out-put supply.
2. the usb hub filled soon is supported as claimed in claim 1, it is characterised in that each USB of the input circuit fills
Electric input interface is connected together by a protection diode of connecting；Each USB charging input interfaces also pass through two series connection
Sampling resistor ground connection, the junction of two sampling resistors is connected with an input of the MCU controllers, described in receiving
The sampled voltage detection of MCU controllers.
3. the usb hub filled soon is supported as claimed in claim 1, it is characterised in that the booster circuit, including boosting core
Piece and feedback resistive network, the Enable Pin of the boost chip are connected with an output end of the MCU controllers, receive described
MCU controllers are controlled；The feedback resistive network is connected with the feedback end of the boost chip, and the MCU controllers pass through control
Make the output voltage that the feedback resistive network adjusts the boost chip.
4. support the usb hub filled soon as claimed in claim 3, it is characterised in that the feedback resistive network includes the
One resistance, second resistance, 3rd resistor, the 4th resistance and controlling switch；Described first resistor one end is connected by an inductance of connecting
The boost chip output end is connected to, the other end is connected to the boost chip feedback end；Described second resistance one end is connected to
The boost chip feedback end, other end ground connection；The controlling switch is SP3T switch, and its moved end is connected to the boosting
Chip feedback end, it does not connect free end, described 3rd resistor one end and described 4th resistance one end, the described 3rd in moved end respectively
The resistance other end and the 4th resistance other end are grounded, the controlling switch and an output end of the MCU controllers
It is connected, receives the MCU controllers control.
5. the usb hub filled soon is supported as claimed in claim 4, it is characterised in that the power supply output of the booster circuit
End is additionally provided with electric capacity, and described electric capacity one end is connected to the junction of the first resistor and the inductance, other end ground connection.
6. the usb hub filled soon is supported as claimed in claim 1, it is characterised in that described to fill protocol handshake circuit, bag soon
Include and fill protocol handshake chip soon, the D+ pins and D- pins that protocol handshake chip is filled soon charges with the USB respectively to be exported
The D+ pins of interface are connected with D- pins, are shaken hands during charging connection with the charging equipment, recognize the charging equipment branch
The quick charge parameter held, three pressure feedback ports that protocol handshake chip is filled soon connect the one of a feedback resistance respectively
End, the other end of three feedback resistances is linked together, and the connection end of three feedback resistances is controlled with the MCU simultaneously
One input of device processed is connected, is connected to the output end of the power supply circuit by pull-up resistor and is connect by pull down resistor
Ground, the protocol handshake chip that fills soon feeds back to the MCU controllers by feeding back corresponding magnitude of voltage by recognition result.
7. the usb hub filled soon is supported as claimed in claim 6, it is characterised in that the power supply circuit includes low voltage difference
Linear voltage regulator, the input of the low pressure difference linear voltage regulator is connected with the input circuit, receives the input circuit and carries
The input power of confession, the output end of the low pressure difference linear voltage regulator respectively with the power end of the MCU controllers and described fast
The power end for filling protocol handshake chip is connected, and is the two power supply.
8. the usb hub filled soon is supported as claimed in claim 1, it is characterised in that the usb hub that the support is filled soon
Also include on-off circuit, the on-off circuit is arranged between the input circuit and the booster circuit, including a metal-oxide-semiconductor,
The grid of the metal-oxide-semiconductor is connected with an output end of the MCU controllers, receives the MCU controllers control, with the liter
Volt circuit is together turned on or off.
9. the usb hub filled soon is supported as claimed in claim 1, it is characterised in that the usb hub that the support is filled soon
Also include indicating circuit, the indicating circuit includes 2 LED lights, each LED light respectively with the MCU controllers
An output end be connected, when the MCU controllers judge that the sampled voltage of the input circuit reaches given threshold, control
One of indicator lamp lights, otherwise, controls another indicator lamp to light.
10. the usb hub filled soon is supported as claimed in claim 1, it is characterised in that the charging of the input circuit connection
Power supply is USB charger, USB charger babies or the intelligent terminal with power supply USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453810.3U CN206412566U (en) | 2016-12-27 | 2016-12-27 | A kind of usb hub for supporting to fill soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453810.3U CN206412566U (en) | 2016-12-27 | 2016-12-27 | A kind of usb hub for supporting to fill soon |
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| Publication Number | Publication Date |
|---|---|
| CN206412566U true CN206412566U (en) | 2017-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621453810.3U Active CN206412566U (en) | 2016-12-27 | 2016-12-27 | A kind of usb hub for supporting to fill soon |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654742A (en) * | 2016-12-27 | 2017-05-10 | 歌尔科技有限公司 | USB hub supporting rapid charge |
| CN107946820A (en) * | 2017-11-14 | 2018-04-20 | 珠海市魅族科技有限公司 | USB female seat interfaces, charger, USB male joint interface and data cable |
| CN108847561A (en) * | 2018-06-27 | 2018-11-20 | 维沃移动通信有限公司 | A kind of electronic equipment |
| CN112653205A (en) * | 2020-10-09 | 2021-04-13 | 合肥恒烁半导体有限公司 | Vehicle-mounted mobile phone charger output protection circuit controlled by MCU chip |
| CN117293978A (en) * | 2023-11-27 | 2023-12-26 | 合肥联宝信息技术有限公司 | Quick-charging interface circuit supporting wide voltage and electronic equipment |
-
2016
- 2016-12-27 CN CN201621453810.3U patent/CN206412566U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654742A (en) * | 2016-12-27 | 2017-05-10 | 歌尔科技有限公司 | USB hub supporting rapid charge |
| CN106654742B (en) * | 2016-12-27 | 2022-09-23 | 歌尔科技有限公司 | USB concentrator supporting quick charging |
| CN107946820A (en) * | 2017-11-14 | 2018-04-20 | 珠海市魅族科技有限公司 | USB female seat interfaces, charger, USB male joint interface and data cable |
| CN108847561A (en) * | 2018-06-27 | 2018-11-20 | 维沃移动通信有限公司 | A kind of electronic equipment |
| CN112653205A (en) * | 2020-10-09 | 2021-04-13 | 合肥恒烁半导体有限公司 | Vehicle-mounted mobile phone charger output protection circuit controlled by MCU chip |
| CN117293978A (en) * | 2023-11-27 | 2023-12-26 | 合肥联宝信息技术有限公司 | Quick-charging interface circuit supporting wide voltage and electronic equipment |
| CN117293978B (en) * | 2023-11-27 | 2024-02-23 | 合肥联宝信息技术有限公司 | Quick-charging interface circuit supporting wide voltage and electronic equipment |
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