CN207652075U - A kind of OTG power supply and wireless charging compatible circuit and terminal device - Google Patents
A kind of OTG power supply and wireless charging compatible circuit and terminal device Download PDFInfo
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- CN207652075U CN207652075U CN201721546344.8U CN201721546344U CN207652075U CN 207652075 U CN207652075 U CN 207652075U CN 201721546344 U CN201721546344 U CN 201721546344U CN 207652075 U CN207652075 U CN 207652075U
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Abstract
It is related to charging technique field more particularly to a kind of OTG power supplies and wireless charging compatible circuit and terminal device.OTG powers and wireless charging compatible circuit, including wireless receiver, wireline interface, switch and controller；Wherein, the switch is connect with the wireless receiver, the wireline interface and charge circuit respectively, and the switch is communicated to connect with the controller.It is connect respectively with wireless receiver, wireline interface and charge circuit by the way that switch is arranged, so that if it is determined that terminal device carries out connecting OTG equipment while wireless charging, then it can control switch that wireless receiver is electrically connected with the charge circuit of battery module and wireline interface respectively, and so that wireline interface is disconnected with charge circuit, so that wireless receiver can provide electric energy for charge circuit and OTG equipment simultaneously, that is, the wireless charging and OTG functions that realize terminal device while, carries out.
Description
Technical field
The utility model is related to charging technique field more particularly to a kind of OTG power supplies and wireless charging compatible circuit and ends
End equipment.
Background technology
OTG is the abbreviation of On-The-Go, is mainly used in the case of no Host, the company between various distinct devices
It connects and data transmission.For example, being based on OTG technologies, digital camera can pass through USB (the Universal Serial of two equipment
Bus, universal serial bus) interface is directly connected to printer, the photo printing of shooting come out；For another example, USB interface can also be passed through
Connection, the data in digital camera are sent on mobile hard disk, so that it is high to no longer need to carrying price when field work
Expensive digital camera storage card or the laptop used as Host.In addition, being based on OTG technologies, can also extend
The USB interface accessory of intelligent terminal is to enrich the function of intelligent terminal；For example, extension remote control accessory, it can be by smart mobile phone, tablet
Computer becomes universal remote control use.OTG functions almost become portable equipment, as the standard of smart mobile phone, tablet computer is matched
Function is set, most smart mobile phones currently on the market can be identified using OTG USB flash disks, OTG mouses and OTG sound cards etc.
Equipment.
When using OTG functions, needs terminal device to power to external OTG equipment by interface, generally provide 5V voltages；Cause
This, terminal cannot use OTG functions simultaneously when carrying out wired charging.But wireless charging due to it is non-contact, convenient,
No cable and the advantages that exempt from plug, has been increasingly becoming a kind of main way of terminal device charging, and the prior art is big
Section terminating equipment is still designed to that OTG functions cannot be used while carrying out wireless charging, this undoubtedly affects user's
Experience Degree.
Utility model content
The utility model embodiment provides a kind of OTG power supply and is set with wireless charging compatible circuit and correlation technique and terminal
It is standby, to solve the problems, such as that existing terminal device cannot use OTG functions while carrying out wireless charging.
The utility model embodiment provides a kind of OTG power supply and wireless charging compatible circuit, including wireless receiver, has
Line interface, switch and controller；Wherein, the switch respectively with the wireless receiver, the wireline interface and
Charge circuit connects, and the switch is communicated to connect with the controller, wherein：
The controller is used for if it is determined that the first setting power supply of wireless receiver connection and the wireline interface connect
OTG equipment is connect, then sending first switch to the switch controls signal；
The switch is connected the wireless receiver and charges back for controlling signal in response to the first switch
The electrical connection on road is connected being electrically connected for the wireless receiver and the wireline interface, disconnects the wireline interface and filled with described
The electrical connection of electrical circuit；
The wireless receiver, for receive it is described first setting power supply transmitting electric energy, and to the charge circuit with
And the wireline interface provides electric energy；
The wireline interface, the electric energy provided for receiving the wireless receiver, and provide electricity to the OTG equipment
Energy.
Optionally, the controller, for if it is determined that the first setting power supply of wireless receiver connection and described having
Line interface is not connected with OTG equipment, then sending second switch to the switch controls signal；
The switch is connected the wireless receiver and is filled with described for controlling signal in response to the second switch
The electrical connection of electrical circuit disconnects being electrically connected for the wireless receiver and the wireline interface, disconnects the wireline interface and institute
State the electrical connection of charge circuit；
The wireless receiver, the electric energy for receiving the first setting power supply transmitting, and carried to the charge circuit
For electric energy.
Optionally, the controller is used for if it is determined that the not connected first setting power supply of the wireless receiver and described
Wireline interface connection the second setting power supply, then send third switch control signal to the switch；
The switch, in response to the third switch control signal, disconnecting the wireless receiver and being filled with described
The electrical connection of electrical circuit disconnects being electrically connected for the wireless receiver and the wireline interface, the wireline interface and institute is connected
State the electrical connection of charge circuit；
The wireline interface, the electric energy provided for receiving the second setting power supply, and provided to the charge circuit
Electric energy.
Still optionally further, the controller is communicated to connect with the wireless receiver, the controller, if being additionally operable to really
The fixed not connected first setting power supply of the wireless receiver and wireline interface connection the second setting power supply, then to the nothing
Line receiver sends first control signal, to close the wireless receiver.
Optionally as well, the switch and the wireless receiver communicate to connect, the switch, be additionally operable to if it is determined that
The second setting of wireline interface connection power supply, then send second control signal, to close the nothing to the wireless receiver
Line receiver.
Optionally, the OTG power supplies and wireless charging compatible circuit further include the first conversion circuit, and being used for will be described wireless
The electric energy of receiver output is converted to the direct current that voltage magnitude is the first setting value, and exports to the wireline interface.
Still optionally further, the controller, be additionally operable to if it is determined that the wireless receiver connection first setting power supply with
And the wireline interface connects OTG equipment, then sending third to first conversion circuit controls signal, so that the first conversion
The electric energy that the wireless receiver exports is converted to the direct current that voltage magnitude is first setting value by circuit, and is exported extremely
The wireline interface.
Optionally, the OTG power supplies and wireless charging compatible circuit further include the second conversion circuit, and being used for will be described wireless
The electric energy of receiver output is converted to the direct current that voltage magnitude is the second setting value and/or current amplitude is third setting value,
And it exports to the charge circuit.
Still optionally further, the controller is additionally operable to if it is determined that wireless receiver connection first sets power supply, then
The 4th control signal is sent to second conversion circuit, so that second conversion circuit exports the wireless receiver
Electric energy be converted to the direct current that voltage magnitude is second setting value and/or current amplitude is the third setting value, and
It exports to the charge circuit.
Correspondingly, the utility model embodiment additionally provides a kind of terminal device, including above-mentioned OTG power supplies and wireless charging
Electric compatible circuit.
The utility model has the beneficial effect that：
The utility model embodiment provides a kind of OTG power supply and wireless charging compatible circuit and terminal device, including nothing
Line receiver, wireline interface, switch and controller；Wherein, switch respectively with wireless receiver, wireline interface and fill
Electrical circuit connects, and switch and controller communicate to connect, controller if it is determined that the first setting power supply of wireless receiver connection and
Wireline interface connects OTG equipment, then sending first switch to switch controls signal；Switch is controlled in response to first switch to be believed
Number, being electrically connected for wireless receiver and wireline interface be connected in being electrically connected of conducting wireless receiver and charge circuit, and, it is disconnected
It is provided with being electrically connected for line interface and charge circuit；Wireless receiver receives the electric energy of the first setting power supply transmitting, and to charging back
Road and wireline interface provide electric energy；Wireline interface receives the electric energy that wireless receiver provides and provides electric energy to OTG equipment.
That is pass through be arranged switch so that controller if it is determined that terminal device carry out wireless charging while connect OTG equipment,
Then by controlling switch wireless receiver can be electrically connected respectively with the charge circuit of battery module and wireline interface, and
So that wireline interface is disconnected with charge circuit, so that wireless receiver can be that charge circuit and OTG equipment carry simultaneously
For electric energy, that is, the wireless charging and OTG functions that realize terminal device while, carries out.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art for, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 show the structural schematic diagram of the power supply and wireless charging compatible circuit of the OTG in the utility model embodiment one；
Fig. 2 (a) show the power supplies of the OTG in the utility model embodiment one and is tied with the another of wireless charging compatible circuit
Structure schematic diagram；
Fig. 2 (b) show another knot of the power supplies of the OTG in the utility model embodiment one with wireless charging compatible circuit
Structure schematic diagram；
Fig. 3 (a) show another knot of the power supplies of the OTG in the utility model embodiment one with wireless charging compatible circuit
Structure schematic diagram；
Fig. 3 (b) show another knot of the power supplies of the OTG in the utility model embodiment one with wireless charging compatible circuit
Structure schematic diagram；
Fig. 4 (a) show the part of the power supply and a kind of specific implementation of wireless charging compatible circuit of the OTG in example
One；
Fig. 4 (b) show the part of the power supply and a kind of specific implementation of wireless charging compatible circuit of the OTG in example
Two；
Fig. 5 show the step flow chart of OTG power supply and wireless charging compatibility method in utility model embodiment two.
Specific implementation mode
In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality
It is novel to be described in further detail, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of all other embodiment for being obtained, shall fall within the protection scope of the present invention.
Embodiment one：
The utility model embodiment one provides a kind of OTG power supply and wireless charging compatible circuit, specifically, such as Fig. 1 institutes
Show, is the structural schematic diagram of OTG power supply and wireless charging compatible circuit described in the utility model embodiment one, it may include nothing
Line receiver 101, wireline interface 102, switch 103 and controller 104；Wherein, the switch 103 respectively with the nothing
Line receiver 101, the wireline interface 102 and charge circuit connection, the switch 103 are communicated with the controller 104
Connection, wherein：
The controller 104 is used for if it is determined that the connection of the wireless receiver 101 first setting power supply and described wired
Interface 102 connects OTG equipment, then sending first switch to the switch 103 controls signal；
The switch 103, in response to the first switch control signal, be connected the wireless receiver 101 with
Being electrically connected for the wireless receiver 101 and the wireline interface 102 is connected in the electrical connection of charge circuit, disconnects described wired
Interface 102 is electrically connected with the charge circuit；
The wireless receiver 101, the electric energy for receiving the first setting power supply transmitting, and to the charge circuit
And the wireline interface 102 provides electric energy；
The wireline interface 102, the electric energy for receiving the offer of the wireless receiver 101, and carried to the OTG equipment
For electric energy.
That is, by the way that switch 103 is arranged so that controller 104 is if it is determined that terminal device carries out wireless charging
Connect OTG equipment simultaneously, then it can be by controlling switch 103 so that wireless receiver 101 is returned with the charging of battery module respectively
Road and wireline interface 102 are electrically connected, and so that wireline interface 102 is disconnected with charge circuit, so that wireless receiving
Device 101 can provide electric energy for charge circuit and OTG equipment simultaneously, that is, realize the wireless charging and OTG functions of terminal device
It is carried out at the same time.
Preferably, the first setting power supply can be specially wireless adapter, and the wireless receiver 101 may include wirelessly
Charging interface (such as receiving coil), the first setting power supply can be based on electromagnetic induction, magnetic resonance, field coupling or wireless
The principles such as wave transmissions are of coupled connections with the wireless charging interface in the wireless receiver 101.It is described first setting power supply with
The wireless receiver 101 the concrete mode being of coupled connections and electric energy transmission principle similarly to the prior art, this implementation
Details are not described herein for example.
Optionally as well, the OTG equipment includes but not limited to that OTG mouses, OTG USB flash disks, OTG sound cards etc. are based on OTG skills
Art realizes that the electronic equipment of data transmission and power supply, the present embodiment are not limited in any way herein.
It is carried it should be noted that the charge circuit is the reception wireless receiver 101 or the wireline interface 102
The electric energy of confession, and electric energy conversion appropriate is carried out to export suitable voltage and or current to charge to battery module
Circuit, the realization method of the charge circuit similarly to the prior art, for example, can be based on Buck conversion circuits realizes the charging
Circuit, the present embodiment are not limited in any way herein.
Optionally, the controller 104, it may also be used for if it is determined that the connection of the wireless receiver 101 first setting power supply
And the wireline interface 102 is not connected with OTG equipment, then sending second switch to the switch 103 controls signal；
Correspondingly, the switch 103, it may also be used for control signal in response to the second switch, be connected described wireless
Receiver 101 is electrically connected with the charge circuit, disconnects being electrically connected for the wireless receiver 101 and the wireline interface 102
It connects, disconnects being electrically connected for the wireline interface 102 and the charge circuit；
The wireless receiver 101, it may also be used for receive the electric energy of the first setting power supply transmitting, and to the charging
Circuit provides electric energy.
That is, by the way that switch 103 is arranged, controller 104 is also may make if it is determined that terminal device only carries out wirelessly
Charging, then can be by controlling switch 103 so that wireless receiver 101 is electrically connected with the charge circuit of battery module, and is made
Wireline interface 102 is disconnected with wireless receiver 101 and charge circuit respectively, so that wireless receiver 101 is only
Charge circuit provides electric energy.
Optionally, the controller 104, it may also be used for if it is determined that the not connected first setting electricity of the wireless receiver 101
Source and the connection of the wireline interface 102 second setting power supply, then send third switch control signal to the switch 103；
Correspondingly, the switch 103, it may also be used in response to the third switch control signal, disconnect described wireless
Receiver 101 is electrically connected with the charge circuit, disconnects being electrically connected for the wireless receiver 101 and the wireline interface 102
It connects, being electrically connected for the wireline interface 102 and the charge circuit is connected；
The wireline interface 102, it may also be used for receive the electric energy that the second setting power supply provides, and charge back to described
Road provides electric energy.
Preferably, the second setting power supply may include but be not limited to cable power adapter, mobile power etc., this implementation
Example is not limited in any way herein.
That is, by be arranged switch 103, also may make controller 104 if it is determined that terminal device only carry out it is wired
Charging, then can be by controlling switch 103 so that wireline interface 102 is electrically connected with the charge circuit of battery module, and makes nothing
Line receiver 101 is disconnected with wireline interface 102 and charge circuit respectively.
Still optionally further, optionally, the controller 104 is communicated to connect with the wireless receiver 101, the control
Device 104, it may also be used for if it is determined that the not connected first setting power supply of the wireless receiver 101 and the wireline interface 102 connect
The second setting power supply is connect, then the 4th control signal is sent to the wireless receiver 101, to close the wireless receiver 101.
Optionally as well, the switch 103 is communicated to connect with the wireless receiver 101, the switch 103, also
It can be used for if it is determined that the connection of the wireline interface 102 second setting power supply, then send the 5th control to the wireless receiver 101
Signal, to close the wireless receiver 101.
That is, the controller 104 or the switch 103, determining that terminal device only carries out wired charging
When, corresponding control signal can be sent to the wireless receiver 101, so that the wireless receiver 101 is stopped.
Preferably, as shown in Fig. 2 (a) and Fig. 2 (b), the OTG power supplies and wireless charging compatible circuit may also include the
One conversion circuit 201, can be used for the electric energy that the wireless receiver 101 exports being converted to voltage magnitude is the first setting value
Direct current, and export to the wireline interface 102.First conversion circuit 201 be attached to the wireless receiver 101 with
It between the switch 103, is also attached between the switch 103 and the wireline interface 102, the present embodiment is herein not
It is limited in any way.
That is, the major function of the first conversion circuit 201 is to carry out wireless charging and OTG functions at the same time
When, by the electric energy that the wireless receiver 101 exports be converted into voltage magnitude be the first setting value direct current with to OTG equipment
It is powered.First setting value can be flexibly arranged according to actual use situation, for example, 5V；The present embodiment is not appointed herein
What is limited.
Still optionally further, the controller 104, it may also be used for if it is determined that the connection of the wireless receiver 101 first is set
Determine power supply and the wireline interface 102 connect OTG equipment, then sends the 6th control signal to first conversion circuit 201,
So that it is the first setting value that the electric energy that the wireless receiver 101 exports is converted to voltage magnitude by the first conversion circuit 201
Direct current, and export to the wireline interface 102.That is, first conversion circuit 201 is also subjected to the control
The control of device 104, the enable signal sent according to the controller 104 proceed by electric energy conversion or stop electric energy conversion.
Preferably, as shown in Fig. 3 (a) and Fig. 3 (b), the OTG power supplies and wireless charging compatible circuit may also include the
Two conversion circuits 301, the electric energy for exporting the wireless receiver 101 be converted to voltage magnitude be the second setting value and/
Or the direct current that current amplitude is third setting value, and export to the charge circuit.Second conversion circuit 301 can connect
Between the wireless receiver 101 and the switch 103, also it is attached between the switch 103 and charge circuit,
The present embodiment is not limited in any way herein.
That is, the major function of the second conversion circuit 301 is when carrying out wireless charging, to the wireless receiving
The electric energy conversion that the electric energy that device 101 exports is set, with to charge circuit provide suitable direct current with to battery module into
Row charging.Second setting value and the third setting value can be flexibly arranged according to actual use situation, and the present embodiment exists
This is not limited in any way.
Still optionally further, the controller 104, it may also be used for if it is determined that the connection of the wireless receiver 101 first is set
Determine power supply, then the 7th control signal is sent to second conversion circuit 301, so that second conversion circuit 301 is by institute
The electric energy for stating the output of wireless receiver 101 is converted to that voltage magnitude is the second setting value and/or current amplitude is third setting value
Direct current, and export to the charge circuit.That is, second conversion circuit 301 is also subjected to the controller
104 control, the enable signal sent according to the controller 104 proceed by electric energy conversion or stop electric energy conversion.
In addition, it is necessary to explanation, the OTG power supplies also may not include second conversion with wireless charging compatible circuit
Circuit 301 is executed the correlation function of second conversion circuit 301 by the corresponding function module in charge circuit, this
Details are not described herein for embodiment.
Below will by taking specific example as an example, to OTG power supply provided in this embodiment and wireless charging compatible circuit into
Row is described in detail.
As shown in Fig. 4 (a) and Fig. 4 (b), for the OTG power supplies provided in this embodiment and wireless charging compatible circuit
A kind of optionally realization method.
Wherein, wireless receiver includes wireless charging receiving terminal chip (U103 in Fig. 4 (a)), specifically be can be used
NU1618 chips；Wireline interface includes Type-C connectors stand (CN100 in Fig. 4 (b)), and UAF05- specifically can be used
Universe moral；Switch includes overvoltage protection chip and two-way load switch chip (is respectively the U100 in Fig. 4 (b)
And U101), it can specifically be realized respectively by FPF2280 chips and NCP3902 chips；First conversion circuit includes 5V output Buck drops
Chip (U104 in Fig. 4 (a)) is pressed, TPS62136 chips specifically can be used；Controller, specifically can be by the application in terminal device
Processor is realized, is not shown in Fig. 4 (a) and Fig. 4 (b).
As shown in the figure, the output pin of wireless charging receiving terminal chip is depressured the input of chip with 5V outputs Buck respectively
The input terminal of pin and charge circuit (being not shown in Fig. 4 (a) and Fig. 4 (b)) connects；5V exports the output of Buck decompression chips
The output pin of pin and overvoltage protection chip connects；The input pin of overvoltage protection chip and two-way load switch chip
Input pin is connect with the VBUS2 pins of Type-C connector stands；The output pin of two-way load switch chip and charging
The input terminal in circuit connects.
When terminal device is in wireless charging state, and no cable power adapter or OTG equipment connection terminal are set
When standby, wireless charging receiving terminal chip operation, and send AP_RX_INT interrupt signals to application processor so that application processing
Device controls the shutdown of 5V output Buck decompression chips by WIRELESS_OTG_PWR_EN signals, is controlled by AP_OVP_EN signals
Overvoltage protection chip turns off, and, two-way load switch chip is controlled by AP_SWITCH_EN signals and is turned off；To disconnect nothing
Connection between micro USB electricity receiving terminal chip and Type-C connector stands, and disconnect Type-C connectors stand and charge back
Connection between road provides electric energy by the output of wireless charging receiving terminal chip for charge circuit.
(the OTG equipment when terminal device is in wireless charging state, has been detected simultaneously by OTG equipment insertion terminal device
Insertion can be detected by TYPEC_CC1/TYPEC_CC2), application processor passes through WIRELESS_OTG_PWR_EN signals
It controls 5V output Buck decompression chips and carries out electric energy conversion, while overvoltage protection chip conducting is controlled by AP_OVP_EN signals,
So that the output end of 5V output Buck decompression chips is connected to the VBUS2 pins of Type-C connector stands, so that
VBUS1 the and VBUS2 pin output voltage amplitudes that 5V exports Buck decompression chips are 5V direct currents, can be used for the confession of OTG equipment
Electricity；And application processor can be communicated with OTG equipment by USB_DP/USB_DM signals and data transmission.
When having detected that cable power adapter is inserted into terminal device, two-way load switch chip can pass through enable signal
RX_EN notifies the shutdown of wireless charging receiving terminal chip；Application processor controls overvoltage protection core by AP_OVP_EN signals simultaneously
Piece turns off, to disconnect the connection between 5V output Buck decompression chips and Type-C connector stands；Application processor passes through
AP_SWITCH_EN signals control two-way load switch chip conducting, to which Type-C connectors stand is electrically connected with charging circuit
It connects, and then carries out wired charging.
It should be noted that the OTG that above-mentioned example, which is only the utility model embodiment, to be provided powers and wireless charging
A kind of possible realization method of compatible circuit, OTG power supply and wireless charging compatible circuit also can be used other chips or
Person's circuit structure is realized, for example, the processor chips being specially arranged, which also can be used, in the controller 104 realizes that the present embodiment exists
This is repeated no more.
In conclusion the OTG that the utility model embodiment provides powers and wireless charging compatible circuit, including wireless receiving
Device, wireline interface, switch and controller；The controller is used for if it is determined that the first setting of wireless receiver connection
Power supply and the wireline interface connect OTG equipment, then sending first switch to the switch controls signal；The switching
Device is connected being electrically connected for the wireless receiver and charge circuit, institute is connected for controlling signal in response to the first switch
Being electrically connected for wireless receiver and the wireline interface is stated, being electrically connected for the wireline interface and the charge circuit is disconnected；Institute
Wireless receiver is stated, the electric energy for receiving the first setting power supply transmitting, and to the charge circuit and described wired
Interface provides electric energy；The wireline interface, the electric energy provided for receiving the wireless receiver, and carried to the OTG equipment
For electric energy.That is, by the way that switch is arranged so that controller is if it is determined that terminal device carries out connection while wireless charging
OTG equipment, then can by control switch make wireless receiver respectively with the charge circuit of battery module and wireline interface
Electrical connection, and make wireline interface disconnected with charge circuit so that wireless receiver can simultaneously be charge circuit with
OTG equipment provides electric energy, that is, the wireless charging and OTG functions that realize terminal device while carries out.
Correspondingly, the utility model embodiment additionally provides a kind of terminal device, including above-mentioned OTG power supplies and wireless charging
Electric compatible circuit.
Embodiment two：
Conceived based on same utility model, the utility model embodiment two provides a kind of OTG power supply and wireless charging
Compatibility method, is applied to terminal device, and the terminal device may include wireless receiver, wireline interface and switch.Specifically
Ground, as shown in figure 5, its step flow for the power supply and wireless charging compatibility method of OTG described in the utility model embodiment two
Figure, the method may include：
Step 501：If it is determined that the first setting power supply of wireless receiver connection and wireline interface connect OTG equipment；
Step 502：Then controlling switch makes wireless receiver be electrically connected, have with charge circuit and wireline interface respectively
Line interface is disconnected with charge circuit；
Step 503：And control wireless receiver receives the electric energy of the first setting power supply transmitting, and pass through charge circuit
It charges to the battery module of terminal device, and electric energy is provided to OTG equipment by wireline interface.
That is, being provided with switch, however, it is determined that terminal device carries out connecting OTG equipment while wireless charging, then
By controlling switch wireless receiver with the charge circuit of battery module and wireline interface can be electrically connected respectively, and make
It obtains wireline interface to disconnect with charge circuit, so that wireless receiver can provide for charge circuit and OTG equipment simultaneously
Electric energy, that is, the wireless charging and OTG functions that realize terminal device while, carry out.
Preferably, the method may also include：
If it is determined that the first setting power supply of wireless receiver connection and the wireline interface are not connected with OTG equipment；
Then control the switch wireless receiver is electrically connected with the charge circuit, the wireline interface point
It is not disconnected with the wireless receiver and the charge circuit；
And control the wireless receiver and receive the electric energy of the first setting power supply transmitting, and pass through the charging
It charges to the battery module of the terminal device in circuit.
Preferably, the method may also include：
If it is determined that the not connected first setting power supply of the wireless receiver and wireline interface connection the second setting electricity
Source；
Then control the switch wireline interface is electrically connected with the charge circuit, the wireless receiver point
It is not disconnected with the charge circuit and the wireline interface；
And control the wireline interface and receive the electric energy that the second setting power supply provides, and charged back by described
It charges to the battery module of the terminal device on road.
Preferably, the terminal device may also include the first conversion circuit, determine the wireless receiver not connected the
After one setting power supply and wireline interface connection the second setting power supply, the method may also include：
It is first to set to control first conversion circuit and the electric energy that the wireless receiver exports is converted to voltage magnitude
The direct current of definite value is simultaneously exported to the wireline interface.
Preferably, the terminal device may also include the second conversion circuit, determine the wireless receiver connection first
After setting power supply, the method may also include：
It is second to set to control second conversion circuit and the electric energy that the wireless receiver exports is converted to voltage magnitude
Definite value and/or current amplitude are the direct current of third setting value and export to the charge circuit.
Optionally, the OTG power supplies provided in this embodiment specifically can be by terminal device with wireless charging compatibility method
Application processor implement, can also be implemented by the processor chips that are specially arranged, the present embodiment is not limited in any way herein.It is described
OTG, which powers, can be found in the related content of embodiment one with the specific implementation mode of wireless charging compatibility method, and the present embodiment is herein
It repeats no more.
In conclusion the OTG power supplies provided in this embodiment and wireless charging compatibility method, are applied to terminal device,
The terminal device includes wireless receiver, wireline interface and switch, the method includes：If it is determined that the wireless receiving
The first setting power supply of device connection and the wireline interface connect OTG equipment；The switch is then controlled described wirelessly to connect
Device is electrically connected with charge circuit and the wireline interface receipts respectively, the wireline interface is disconnected with the charge circuit；
And the electric energy that the wireless receiver receives the first setting power supply transmitting is controlled, and by the charge circuit to institute
The battery module for stating terminal device charges, and provides electric energy to the OTG equipment by the wireline interface.Namely
It says, is provided with switch, however, it is determined that terminal device carries out connecting OTG equipment while wireless charging, then can be switched by controlling
Device makes wireless receiver be electrically connected respectively with the charge circuit of battery module and wireline interface, and makes wireline interface and fill
Electrical circuit disconnects, so that wireless receiver can provide electric energy for charge circuit and OTG equipment simultaneously, that is, realizes end
It is carried out while the wireless charging and OTG functions of end equipment.
In addition, any number of elements in drawing and description be used to example and it is unrestricted and it is any name all only
For distinguishing, without any restrictions meaning.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of OTG power supplies and wireless charging compatible circuit, which is characterized in that including wireless receiver, wireline interface, switch
And controller；Wherein, the switch is connect with the wireless receiver, the wireline interface and charge circuit respectively,
The switch is communicated to connect with the controller, wherein：
The controller is used for if it is determined that the first setting power supply of wireless receiver connection and wireline interface connection
OTG equipment then sends first switch to the switch and controls signal；
The wireless receiver and charge circuit is connected for controlling signal in response to the first switch in the switch
Being electrically connected for the wireless receiver and the wireline interface is connected in electrical connection, disconnects the wireline interface and described charges back
The electrical connection on road；
The wireless receiver, the electric energy for receiving the first setting power supply transmitting, and to the charge circuit and institute
It states wireline interface and electric energy is provided；
The wireline interface, the electric energy provided for receiving the wireless receiver, and provide electric energy to the OTG equipment.
2. OTG power supplies as described in claim 1 and wireless charging compatible circuit, which is characterized in that
The controller is used for if it is determined that the first setting power supply of wireless receiver connection and the wireline interface are not connected
OTG equipment then sends second switch to the switch and controls signal；
The switch is connected the wireless receiver and charges back with described for controlling signal in response to the second switch
The electrical connection on road disconnects being electrically connected for the wireless receiver and the wireline interface, disconnects the wireline interface and filled with described
The electrical connection of electrical circuit；
The wireless receiver, the electric energy for receiving the first setting power supply transmitting, and provide electricity to the charge circuit
Energy.
3. OTG power supplies as described in claim 1 and wireless charging compatible circuit, which is characterized in that
The controller is used for if it is determined that the not connected first setting power supply of the wireless receiver and wireline interface connection
Second setting power supply, then send third switch control signal to the switch；
The switch, in response to the third switch control signal, disconnecting the wireless receiver and charging back with described
The electrical connection on road disconnects being electrically connected for the wireless receiver and the wireline interface, the wireline interface is connected and is filled with described
The electrical connection of electrical circuit；
The wireline interface, the electric energy provided for receiving the second setting power supply, and provide electric energy to the charge circuit.
4. OTG as claimed in claim 3 power supply and wireless charging compatible circuit, which is characterized in that the controller with it is described
Wireless receiver communicates to connect, wherein：
The controller is additionally operable to if it is determined that the not connected first setting power supply of the wireless receiver and the wireline interface connect
The second setting power supply is connect, then first control signal is sent to the wireless receiver, to close the wireless receiver.
5. OTG as claimed in claim 3 power supply and wireless charging compatible circuit, which is characterized in that the switch with it is described
Wireless receiver communicates to connect, wherein：
The switch is additionally operable to if it is determined that wireline interface connection the second setting power supply, then send out to the wireless receiver
Second control signal is sent, to close the wireless receiver.
6. OTG power supplies as described in claim 1 and wireless charging compatible circuit, which is characterized in that further include the first conversion electricity
Road, the electric energy for exporting the wireless receiver is converted to the direct current that voltage magnitude is the first setting value, and exports extremely
The wireline interface.
7. OTG power supplies as claimed in claim 6 and wireless charging compatible circuit, which is characterized in that
The controller is additionally operable to if it is determined that the first setting power supply of wireless receiver connection and wireline interface connection
OTG equipment then sends third to first conversion circuit and controls signal, so that the first conversion circuit is by the wireless receiving
The electric energy of device output is converted to the direct current that voltage magnitude is first setting value, and exports to the wireline interface.
8. OTG power supplies as claimed in claim 1 or 2 and wireless charging compatible circuit, which is characterized in that further include the second conversion
Circuit, the electric energy for exporting the wireless receiver are converted to that voltage magnitude is the second setting value and/or current amplitude is
The direct current of third setting value, and export to the charge circuit.
9. OTG power supplies as claimed in claim 8 and wireless charging compatible circuit, which is characterized in that
The controller is additionally operable to if it is determined that wireless receiver connection the first setting power supply, then electric to second conversion
Road sends the 4th control signal, so that the electric energy that the wireless receiver exports is converted to voltage by second conversion circuit
The direct current that amplitude is second setting value and/or current amplitude is the third setting value, and export and charge back to described
Road.
10. a kind of terminal device, which is characterized in that simultaneous with wireless charging including any OTG power supplies of claim 1~9
Capacitive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721546344.8U CN207652075U (en) | 2017-11-16 | 2017-11-16 | A kind of OTG power supply and wireless charging compatible circuit and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721546344.8U CN207652075U (en) | 2017-11-16 | 2017-11-16 | A kind of OTG power supply and wireless charging compatible circuit and terminal device |
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| Publication Number | Publication Date |
|---|---|
| CN207652075U true CN207652075U (en) | 2018-07-24 |
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ID=62890103
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721546344.8U Active CN207652075U (en) | 2017-11-16 | 2017-11-16 | A kind of OTG power supply and wireless charging compatible circuit and terminal device |
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| CN (1) | CN207652075U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707000A (en) * | 2017-11-16 | 2018-02-16 | 珠海市魅族科技有限公司 | A kind of OTG power supplies and wireless charging compatible circuit and correlation technique and terminal device |
| CN111969686A (en) * | 2020-08-18 | 2020-11-20 | 上海乐今通信技术有限公司 | Mobile terminal for concurrent USB OTG and charging and implementation method |
| CN114079302A (en) * | 2020-08-18 | 2022-02-22 | 荣耀终端有限公司 | Charging circuit, charging chip, electronic device and charging method |
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2017
- 2017-11-16 CN CN201721546344.8U patent/CN207652075U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707000A (en) * | 2017-11-16 | 2018-02-16 | 珠海市魅族科技有限公司 | A kind of OTG power supplies and wireless charging compatible circuit and correlation technique and terminal device |
| CN107707000B (en) * | 2017-11-16 | 2022-01-28 | 珠海市魅族科技有限公司 | OTG power supply and wireless charging compatible circuit, related method and terminal equipment |
| CN111969686A (en) * | 2020-08-18 | 2020-11-20 | 上海乐今通信技术有限公司 | Mobile terminal for concurrent USB OTG and charging and implementation method |
| CN114079302A (en) * | 2020-08-18 | 2022-02-22 | 荣耀终端有限公司 | Charging circuit, charging chip, electronic device and charging method |
| CN115811106A (en) * | 2020-08-18 | 2023-03-17 | 荣耀终端有限公司 | Charging circuit, charging chip, electronic device and charging method |
| CN115811106B (en) * | 2020-08-18 | 2023-10-31 | 荣耀终端有限公司 | Charging circuit, charging chip, electronic device and charging method |
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