CN107707000A - A kind of OTG power supplies and wireless charging compatible circuit and correlation technique and terminal device - Google Patents
A kind of OTG power supplies and wireless charging compatible circuit and correlation technique and terminal device Download PDFInfo
- Publication number
- CN107707000A CN107707000A CN201711138602.3A CN201711138602A CN107707000A CN 107707000 A CN107707000 A CN 107707000A CN 201711138602 A CN201711138602 A CN 201711138602A CN 107707000 A CN107707000 A CN 107707000A
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- otg
- receiving module
- wired interface
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000004044 response Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 8
- 230000006870 function Effects 0.000 abstract description 19
- 230000006837 decompression Effects 0.000 description 8
- 238000004590 computer program Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
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- H02J7/025—
Abstract
It is related to charging technique field, more particularly to a kind of OTG power supplies and wireless charging compatible circuit and correlation technique and terminal device, by setting switch module, so that if it is determined that terminal device carries out connecting OTG equipment while wireless charging, it can then be electrically connected respectively with the charge circuit and wired interface module of battery module by controlling switch module wireless receiving module, and make it that wired interface module disconnects with charge circuit, so that wireless receiving module can provide electric energy for charge circuit and OTG equipment simultaneously, carried out while the wireless charging and OTG functions that realize terminal device.
Description
Technical field
The present invention relates to charging technique field, more particularly to a kind of OTG power supplies and wireless charging compatible circuit and related side
Method and terminal device.
Background technology
OTG is On-The-Go abbreviation, is mainly used in the case of no Host, the company between various distinct devices
Connect and transmitted with data.For example, being based on OTG technologies, digital camera can pass through USB (the Universal Serial of two equipment
Bus, USB) 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 being held high during field work without carrying price again
Expensive digital camera storage card or the notebook computer used as Host.In addition, being based on OTG technologies, can also extend
The USB interface accessory of intelligent terminal is with the function of abundant intelligent terminal；Such as extension remote control accessory, can be by smart mobile phone, flat board
Computer becomes universal remote control use.OTG functions almost turn into portable equipment, as the standard of smart mobile phone, tablet personal computer is matched somebody with somebody
Function is put, most smart mobile phones in the market can be identified using OTG USB flash disks, OTG mouses and OTG sound cards etc.
Equipment.
Using, it is necessary to terminal device is powered by interface to outside OTG equipment, generally providing 5V voltages during OTG functions；Cause
This, terminal is when carrying out wired charging, it is impossible to while use OTG functions.But wireless charging due to it is non-contact, convenient,
The advantages that without cable and exempting from plug, has been increasingly becoming a kind of main way of terminal device charging, and prior art is big
Section terminating equipment is still designed to that OTG functions can not be used while wireless charging is carried out, and this undoubtedly have impact on user's
Experience Degree.
The content of the invention
The embodiments of the invention provide a kind of OTG to power and wireless charging compatible circuit and correlation technique and terminal device,
To solve the problems, such as that existing terminal device can not use OTG functions while wireless charging is carried out.
The embodiments of the invention provide a kind of OTG power supplies and wireless charging compatible circuit, including it is wireless receiving module, wired
Interface module, switch module and control module, wherein：
The control module, for if it is determined that the setting power supply of wireless receiving module connection first and described wired connecing
Mouth mold block connects OTG equipment, then sends first switch control signal to the switch module；
The switch module, in response to the first switch control signal, turning on the wireless receiving module with filling
The electrical connection of electrical circuit, turns on the electrical connection of the wireless receiving module and the wired interface module, disconnects described wired connect
The electrical connection of mouth mold block and the charge circuit；
The wireless receiving module, for receiving the electric energy of the first setting power supply transmitting, and to the charge circuit
And the wired interface module provides electric energy；
The wired interface module, the electric energy provided for receiving the wireless receiving module, and carried to the OTG equipment
Power supply energy.
Alternatively, the control module, for if it is determined that the setting power supply of wireless receiving module connection first and institute
State wired interface module and be not connected with OTG equipment, then send second switch control signal to the switch module；
The switch module, in response to the second switch control signal, turning on the wireless receiving module and institute
The electrical connection of charge circuit is stated, the electrical connection of the wireless receiving module and the wired interface module is disconnected, has described in disconnection
The electrical connection of Line Interface Module and the charge circuit；
The wireless receiving module, for receiving the electric energy of the first setting power supply transmitting, and to the charge circuit
Electric energy is provided.
Alternatively, the control module, for if it is determined that the not connected first setting power supply of the wireless receiving module and
The second setting of wired interface module connection power supply, then send the 3rd switch controlling signal to the switch module；
The switch module, in response to the 3rd switch controlling signal, disconnecting the wireless receiving module and institute
The electrical connection of charge circuit is stated, the electrical connection of the wireless receiving module and the wired interface module is disconnected, has described in conducting
The electrical connection of Line Interface Module and the charge circuit；
The wired interface module, the electric energy provided for receiving the second setting power supply, and to the charge circuit
Electric energy is provided.
Alternatively, OTG power supply also includes the first modular converter with wireless charging compatible circuit, for will it is described wirelessly
The electric energy of receiving module output is converted to the direct current that voltage magnitude is the first setting value, and exports to the wireline interface mould
Block.
Alternatively, OTG power supply also includes the second modular converter with wireless charging compatible circuit, for will it is described wirelessly
The electric energy of receiving module output is converted to the direct current that voltage magnitude is the second setting value and/or current amplitude is the 3rd setting value
Electricity, and export to the charge circuit.
Correspondingly, the embodiment of the present invention additionally provides a kind of terminal device, including above-mentioned OTG power supplies are simultaneous with wireless charging
Capacitive circuit.
Correspondingly, it is compatible with wireless charging to additionally provide a kind of OTG power supply for the embodiment of the present invention, applied to terminal device,
The terminal device includes wireless receiving module, wired interface module and switch module, and methods described includes：
If it is determined that the setting power supply of wireless receiving module connection first and wired interface module connection OTG are set
It is standby；
Then control the switch module cause the wireless receiving module respectively with charge circuit and the wireline interface
Module electrical connection, the wired interface module disconnect with the charge circuit；
And control the wireless receiving module to receive the electric energy of the first setting power supply transmitting, and filled by described
Electrical circuit charges to the battery module of the terminal device, and by the wired interface module to the OTG equipment
Electric energy is provided.
Alternatively, methods described also includes：
Set if it is determined that the setting power supply of wireless receiving module connection first and the wired interface module are not connected with OTG
It is standby；
The switch module is then controlled so that the wireless receiving module is electrically connected with the charge circuit, described wired connect
Mouth mold block disconnects with the wireless receiving module and the charge circuit respectively；
And control the wireless receiving module to receive the electric energy of the first setting power supply transmitting, and filled by described
Electrical circuit charges to the battery module of the terminal device.
Alternatively, methods described also includes：
If it is determined that the not connected first setting power supply of the wireless receiving module and wired interface module connection second
Set power supply；
The switch module is then controlled so that the wired interface module is electrically connected with the charge circuit, described wirelessly connect
Module is received to disconnect with the charge circuit and the wired interface module respectively；
And control the wired interface module to receive the electric energy that the second setting power supply provides, and filled by described
Electrical circuit charges to the battery module of the terminal device.
Alternatively, the terminal device also includes the first modular converter, and methods described also includes：
Control first modular converter that the electric energy that the wireless receiving module exports is converted into voltage magnitude for first
The direct current of setting value is simultaneously exported to the wired interface module.
Alternatively, the terminal device also includes the second modular converter, and methods described also includes：
Control second modular converter that the electric energy that the wireless receiving module exports is converted into voltage magnitude for second
Setting value and/or current amplitude for the 3rd setting value direct current and export to the charge circuit.
The present invention has the beneficial effect that：
The embodiments of the invention provide a kind of OTG to power and wireless charging compatible circuit and correlation technique and terminal device,
Control module is if it is determined that the setting power supply of wireless receiving module connection first and wired interface module connection OTG equipment, then to opening
Close module and send first switch control signal；Switch module in response to first switch control signal, conducting wireless receiving module with
The electrical connection of charge circuit, the electrical connection for turning on wireless receiving module and wired interface module, and, disconnect wired interface module
With the electrical connection of charge circuit；Wireless receiving module receives the electric energy of the first setting power supply transmitting, and to charge circuit and has
Line Interface Module provides electric energy；Wired interface module receives the electric energy that wireless receiving module provides and provides electric energy to OTG equipment.
That is, by setting switch module so that control module is if it is determined that terminal device carries out connecting OTG while wireless charging
Equipment, then it can pass through the controlling switch module wireless receiving module charge circuit and wireline interface with battery module respectively
Module electrically connects, and make it that wired interface module disconnects with charge circuit, so that wireless receiving module can be simultaneously
Charge circuit and OTG equipment provide electric energy, that is, carry out while the wireless charging and OTG functions that realize terminal device.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing.
Fig. 1 show OTG power supplies and the structural representation of wireless charging compatible circuit in the embodiment of the present invention one；
The OTG power supplies and another structure of wireless charging compatible circuit that Fig. 2 (a) is shown in the embodiment of the present invention one are shown
It is intended to；
The OTG power supplies and another structure of wireless charging compatible circuit that Fig. 2 (b) is shown in the embodiment of the present invention one are shown
It is intended to；
The OTG power supplies and the yet another construction of wireless charging compatible circuit that Fig. 3 (a) is shown in the embodiment of the present invention one are shown
It is intended to；
The OTG power supplies and the yet another construction of wireless charging compatible circuit that Fig. 3 (b) is shown in the embodiment of the present invention one are shown
It is intended to；
Fig. 4 (a) show OTG power supplies and a kind of part of specific implementation of wireless charging compatible circuit in example
One；
Fig. 4 (b) show OTG power supplies and a kind of part of specific implementation of wireless charging compatible circuit in example
Two；
Fig. 5 show OTG power supplies and the step flow chart of wireless charging compatibility method in inventive embodiments two.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, the present invention is made below in conjunction with accompanying drawing into
One step it is described in detail, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
Embodiment one：
The embodiment of the present invention one provides a kind of OTG power supplies and wireless charging compatible circuit, specifically, as shown in figure 1, its
For the power supplies of OTG described in the embodiment of the present invention one and the structural representation of wireless charging compatible circuit, it may include wireless receiving mould
Block 101, wired interface module 102, switch module 103 and control module 104, wherein：
The control module 104, for if it is determined that the connection of the wireless receiving module 101 first setting power supply and described
Wired interface module 102 connects OTG equipment, then sends first switch control signal to the switch module 103；
The switch module 103, in response to the first switch control signal, turning on the wireless receiving module
101 with the electrical connection of charge circuit, turn on the electrical connection of the wireless receiving module 101 and the wired interface module 102, it is disconnected
Open the electrical connection of the wired interface module 102 and the charge circuit；
The wireless receiving module 101, for receiving the electric energy of the first setting power supply transmitting, and charged back to described
Road and the wired interface module 102 provide electric energy；
The wired interface module 102, the electric energy provided for receiving the wireless receiving module 101, and to the OTG
Equipment provides electric energy.
That is, by setting switch module 103 so that control module 104 is if it is determined that terminal device carries out wireless charging
While electric connect OTG equipment, then can by the wireless receiving module 101 of controlling switch module 103 respectively with battery module
Charge circuit and wired interface module 102 electrically connect, and cause wired interface module 102 disconnected with charge circuit,
So that wireless receiving module 101 can provide electric energy for charge circuit and OTG equipment simultaneously, that is, realize the nothing of terminal device
Carried out while micro USB electricity and OTG functions.
Preferably, the first setting power supply can be specially wireless adapter, and the wireless receiving module 101 may include nothing
Micro USB electrical interface (such as receiving coil), the first setting power supply can be based on electromagnetic induction, magnetic resonance, field coupling or nothing
The principles such as line wave transmissions are of coupled connections with the wireless charging interface in the wireless receiving module 101.The first setting electricity
The principle of the concrete mode being of coupled connections and the electric energy transmission of source and the wireless receiving module 101 similarly to the prior art,
The present embodiment will not be repeated here.
Optionally as well, the OTG equipment includes but is not limited to OTG mouses, OTG USB flash disks, OTG sound cards etc. and is based on OTG skills
Art realizes the electronic equipment of data transfer and power supply, and the present embodiment is not limited in any way herein.
It should be noted that the charge circuit is the reception wireless receiving module 101 or the wireline interface mould
The electric energy that block 102 provides, and carry out appropriate electric energy and change to export suitable voltage and/or electric current to be carried out to battery module
The circuit of charging, the implementation of the charge circuit similarly to the prior art, for example, institute can be realized based on Buck change-over circuits
Charge circuit is stated, the present embodiment is not limited in any way herein.
Alternatively, the control module 104, it may also be used for if it is determined that the setting of the connection of the wireless receiving module 101 first
Power supply and the wired interface module 102 are not connected with OTG equipment, then send second switch control to the switch module 103
Signal；
Correspondingly, the switch module 103, it may also be used in response to the second switch control signal, turn on the nothing
The electrical connection of line receiving module 101 and the charge circuit, disconnects the wireless receiving module 101 and the wired interface module
102 electrical connection, disconnect the electrical connection of the wired interface module 102 and the charge circuit；
The wireless receiving module 101, it may also be used for receive the electric energy of the first setting power supply transmitting, and filled to described
Electrical circuit provides electric energy.
That is, by setting switch module 103, control module 104 is also may be such that if it is determined that terminal device is only carried out
Wireless charging, then it can be electrically connected by the charge circuit of the wireless receiving module 101 of controlling switch module 103 and battery module
Connect, and make it that wired interface module 102 disconnects with wireless receiving module 101 and charge circuit respectively, so that nothing
Line receiving module 101 is only that charge circuit provides electric energy.
Alternatively, the control module 104, it may also be used for if it is determined that the wireless receiving module 101 not connected first is set
Determine power supply and the connection of the wired interface module 102 second setting power supply, then send the 3rd switch to the switch module 103
Control signal；
Correspondingly, the switch module 103, it may also be used in response to the 3rd switch controlling signal, disconnect the nothing
The electrical connection of line receiving module 101 and the charge circuit, disconnects the wireless receiving module 101 and the wired interface module
102 electrical connection, turn on the electrical connection of the wired interface module 102 and the charge circuit；
The wired interface module 102, it may also be used for receive the electric energy that the second setting power supply provides, and filled to described
Electrical circuit provides electric energy.
Preferably, the second setting power supply may include but be not limited to cable power adapter, portable power source etc., this implementation
Example is not limited in any way herein.
That is, by setting switch module 103, control module 104 is also may be such that if it is determined that terminal device is only carried out
Wired charging, then it can be electrically connected by the charge circuit of the wired interface module 102 of controlling switch module 103 and battery module
Connect, and wireless receiving module 101 is disconnected with wired interface module 102 and charge circuit respectively.
Still optionally further, alternatively, the control module 104, it may also be used for if it is determined that the wireless receiving module 101
Not connected first setting power supply and the connection of the wired interface module 102 second setting power supply, then to the wireless receiving mould
Block 101 sends the 4th control signal, to close the wireless receiving module 101.
Optionally as well, the switch module 103, it may also be used for if it is determined that the connection of the wired interface module 102 second
Power supply is set, then the 5th control signal is sent to the wireless receiving module 101, to close the wireless receiving module 101.
That is, the control module 104 or the switch module 103, it is determined that terminal device only carry out it is wired
During charging, corresponding control signal can be sent to the wireless receiving module 101, to cause the wireless receiving module 101 to stop
Only work.
Preferably, as shown in Fig. 2 (a) and Fig. 2 (b), the OTG power supplies and wireless charging compatible circuit, it may also include the
One modular converter 201, it is the first setting value to be converted to voltage magnitude available for the electric energy for exporting the wireless receiving module 101
Direct current, and export to the wired interface module 102.First modular converter 201 is attached to the wireless receiving
Between module 101 and the switch module 103, be also attached to the switch module 103 and the wired interface module 102 it
Between, the present embodiment is not limited in any way herein.
That is, the major function of the first modular converter 201 is to carry out wireless charging and OTG functions at the same time
When, the electric energy that the wireless receiving module 101 exports is converted into direct current that voltage magnitude is the first setting value to be set to OTG
It is standby to be powered.First setting value can flexibly be set according to actual use situation, for example, 5V；The present embodiment is not made herein
Any restriction.
Still optionally further, the control module 104, it may also be used for if it is determined that the connection of the wireless receiving module 101 the
One setting power supply and the wired interface module 102 connect OTG equipment, then send the 6th to first modular converter 201
Control signal, using cause the first modular converter 201 by the electric energy that the wireless receiving module 101 exports be converted to voltage magnitude as
The direct current of first setting value, and export to the wired interface module 102.That is, first modular converter 201
The control of the control module 104 is subjected to, the enable signal sent according to the control module 104 proceeds 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, it may also include the
Two modular converters 301, it is the second setting value that the electric energy for the wireless receiving module 101 to be exported, which is converted to voltage magnitude,
And/or the direct current that current amplitude is the 3rd setting value, and export to the charge circuit.Second modular converter 301 can
It is connected between the wireless receiving module 101 and the switch module 103, is also attached to the switch module 103 with filling
Between electrical circuit, the present embodiment is not limited in any way herein.
That is, the major function of the second modular converter 301 is when carrying out wireless charging, to the wireless receiving
The electric energy conversion that the electric energy that module 101 exports is set, to provide suitable direct current to charge circuit with to battery module
Charged.Second setting value and the 3rd setting value can flexibly be set according to actual use situation, the present embodiment
It is not limited in any way herein.
Still optionally further, the control module 104, it may also be used for if it is determined that the connection of the wireless receiving module 101 the
One setting power supply, then send the 7th control signal, to cause second modular converter 301 to second modular converter 301
The electric energy that the wireless receiving module 101 exports is converted to voltage magnitude is the second setting value and/or current amplitude is the 3rd
The direct current of setting value, and export to the charge circuit.That is, second modular converter 301 is also acceptable described
The control of control module 104, the enable signal sent according to the control module 104 proceed by electric energy conversion or stop electricity
Can conversion.
In addition, it is necessary to explanation, the OTG power supplies also may not include second conversion with wireless charging compatible circuit
Module 301, the correlation function of second modular converter 301 is performed by the corresponding functional module in charge circuit, this
Embodiment will not be repeated here.
The OTG that the present embodiment provides will be powered to enter with wireless charging compatible circuit by taking instantiation as an example below
Row describes in detail.
As shown in Fig. 4 (a) and Fig. 4 (b), it is the OTG power supplies and wireless charging compatible circuit that the present embodiment provides
A kind of alternatively implementation.
Wherein, wireless receiving module includes wireless charging receiving terminal chip (U103 in Fig. 4 (a)), can specifically use
NU1618 chips；Wired interface module includes Type-C connectors stand (CN100 in Fig. 4 (b)), can specifically use UAF05-
16003-0001/ universe morals；It (is respectively in Fig. 4 (b) that switch module, which includes overvoltage protection chip and two-way load switch chip,
U100 and U101), it can specifically be realized respectively by FPF2280 chips and NCP3902 chips；First modular converter exports including 5V
Buck decompression chips (U104 in Fig. 4 (a)), can specifically use TPS62136 chips；Control module, specifically can be by terminal device
In application processor realize, not shown in Fig. 4 (a) and Fig. 4 (b).
As shown in FIG., the output pin of the wireless charging receiving terminal chip input with 5V output Buck decompression chips respectively
The input of pin and charge circuit (Fig. 4 (a) with not shown in Fig. 4 (b)) connects；The output of 5V output 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
VBUS2 pin of the input pin with Type-C connector stands is connected；The output pin of two-way load switch chip and charging
The input connection in loop.
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 5V to export the shut-off of Buck decompression chips, controlled by AP_OVP_EN signals by WIRELESS_OTG_PWR_EN signals
Overvoltage protection chip turns off, and, control two-way load switch chip to turn off by AP_SWITCH_EN signals；So as 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, electric energy is provided for charge circuit by the output of wireless charging receiving terminal chip.
(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
Control 5V output Buck decompression chips to carry out electric energy conversion, while control overvoltage protection chip to turn on by AP_OVP_EN signals,
So that the output end of 5V output Buck decompression chips connects with the VBUS2 pins of Type-C connector stands, and then cause
VBUS1 the and VBUS2 pin output voltages amplitude of 5V output Buck decompression chips is 5V direct currents, can be used for the confession of OTG equipment
Electricity；And application processor can be communicated by USB_DP/USB_DM signals with OTG equipment and data transfer.
When having detected that cable power adapter inserts terminal device, two-way load switch chip can pass through enable signal
RX_EN notice wireless charging receiving terminal chip shut-offs；Application processor controls overvoltage protection core by AP_OVP_EN signals simultaneously
Piece turns off, so as 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, so as to which Type-C connectors stand is electrically connected with charging circuit
Connect, and then carry out wired charging.
It should be noted that above-mentioned example is only that the OTG power supplies provided in an embodiment of the present invention are compatible with wireless charging
A kind of possible implementation of circuit, the OTG power supplies can also use other chips or electricity with wireless charging compatible circuit
Line structure is realized, for example, the control module 104 can also use the processor chips specially set to realize that the present embodiment is herein
Repeat no more.
In summary, OTG power supplies provided in an embodiment of the present invention and wireless charging compatible circuit, including wireless receiving mould
Block, wired interface module, switch module and control module；The control module, for if it is determined that the wireless receiving module
The setting power supply of connection first and wired interface module connection OTG equipment, then send first switch to the switch module
Control signal；The switch module, in response to the first switch control signal, turning on the wireless receiving module with filling
The electrical connection of electrical circuit, turns on the electrical connection of the wireless receiving module and the wired interface module, disconnects described wired connect
The electrical connection of mouth mold block and the charge circuit；The wireless receiving module, for receiving the first setting power supply transmitting
Electric energy, and provide electric energy to the charge circuit and the wired interface module；The wired interface module, for receiving
The electric energy of wireless receiving module offer is provided, and electric energy is provided to the OTG equipment.That is, by setting switch module, make
Control module if it is determined that terminal device carry out wireless charging while connect OTG equipment, then can be made by controlling switch module
Obtain wireless receiving module to electrically connect with the charge circuit and wired interface module of battery module respectively, and cause wireline interface mould
Block disconnects with charge circuit, so that wireless receiving module can provide electric energy for charge circuit and OTG equipment simultaneously, i.e.,
Carried out while the wireless charging and OTG functions that realize terminal device.
Correspondingly, the embodiment of the present invention additionally provides a kind of terminal device, including above-mentioned OTG power supplies are simultaneous with wireless charging
Capacitive circuit.
Embodiment two：
Based on same inventive concept, the embodiment of the present invention two provides a kind of OTG power supplies and wireless charging compatibility method,
Applied to terminal device, the terminal device may include wireless receiving module, wired interface module and switch module.Specifically
Ground, as shown in figure 5, it is OTG power supplies described in the embodiment of the present invention two and the step flow chart of wireless charging compatibility method, institute
The method of stating may include：
Step 501：If it is determined that the setting power supply of wireless receiving module connection first and wired interface module connection OTG are set
It is standby；
Step 502：Then controlling switch module cause wireless receiving module respectively with charge circuit and wired interface module
Electrical connection, wired interface module and charge circuit disconnect；
Step 503：And control wireless receiving module receives the electric energy of the first setting power supply transmitting, and by charging back
Road is charged to the battery module of terminal device, and provides electric energy to OTG equipment by wired interface module.
That is, it is provided with switch module, however, it is determined that terminal device carries out connecting OTG equipment while wireless charging,
The controlling switch module wireless receiving module charge circuit and wired interface module with battery module respectively can then be passed through
Electrical connection, and make it that wired interface module disconnects with charge circuit, so that wireless receiving module can be simultaneously charging
Loop and OTG equipment provide electric energy, that is, carry out while the wireless charging and OTG functions that realize terminal device.
Preferably, methods described may also include：
Set if it is determined that the setting power supply of wireless receiving module connection first and the wired interface module are not connected with OTG
It is standby；
The switch module is then controlled so that the wireless receiving module is electrically connected with the charge circuit, described wired connect
Mouth mold block disconnects with the wireless receiving module and the charge circuit respectively；
And control the wireless receiving module to receive the electric energy of the first setting power supply transmitting, and filled by described
Electrical circuit charges to the battery module of the terminal device.
Preferably, methods described may also include：
If it is determined that the not connected first setting power supply of the wireless receiving module and wired interface module connection second
Set power supply；
The switch module is then controlled so that the wired interface module is electrically connected with the charge circuit, described wirelessly connect
Module is received to disconnect with the charge circuit and the wired interface module respectively；
And control the wired interface module to receive the electric energy that the second setting power supply provides, and filled by described
Electrical circuit charges to the battery module of the terminal device.
Preferably, the terminal device may also include the first modular converter, it is determined that the wireless receiving module is not connected with
After first setting power supply and wired interface module connection the second setting power supply, methods described may also include：
Control first modular converter that the electric energy that the wireless receiving module exports is converted into voltage magnitude for first
The direct current of setting value is simultaneously exported to the wired interface module.
Preferably, the terminal device may also include the second modular converter, it is determined that wireless receiving module connection the
After one setting power supply, methods described may also include：
Control second modular converter that the electric energy that the wireless receiving module exports is converted into voltage magnitude for second
Setting value and/or current amplitude for the 3rd setting value direct current and export to the charge circuit.
Alternatively, the OTG power supplies that the present embodiment provides specifically can be by terminal device with wireless charging compatibility method
Application processor implement, can also be implemented by the processor chips that specially set, 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 embodiment of wireless charging compatibility method, and the present embodiment is herein
Repeat no more.
In summary, OTG power supplies and the wireless charging compatibility method that the present embodiment provides, applied to terminal device,
The terminal device includes wireless receiving module, wired interface module and switch module, and methods described includes：It is if it is determined that described
The setting power supply of wireless receiving module connection first and wired interface module connection OTG equipment；Then control the switching molding
Block causes the wireless receiving module to be electrically connected respectively with charge circuit and the wired interface module, the wireline interface mould
Block disconnects with the charge circuit；And the wireless receiving module is controlled to receive the first setting power supply transmitting
Electric energy, and the battery module of the terminal device is charged by the charge circuit, and pass through the wireline interface
Module provides electric energy to the OTG equipment.That is, it is provided with switch module, however, it is determined that terminal device carries out wireless charging
While connect OTG equipment, then can pass through controlling switch module wireless receiving module and be returned respectively with the charging of battery module
Road and wired interface module electrical connection, and make it that wired interface module disconnects with charge circuit, so that wirelessly connecing
Electric energy can be provided for charge circuit and OTG equipment simultaneously by receiving module, that is, realize the wireless charging and OTG functions of terminal device
Carry out simultaneously.
In addition, any number of elements in drawing and description is used to example and unrestricted, and any name is all only
For distinguishing, without any restrictions implication.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, apparatus (equipment) or computer journey
Sequence product.Therefore, in terms of the present invention can use complete hardware embodiment, complete software embodiment or combine software and hardware
The form of embodiment.Moreover, the present invention can use the calculating for wherein including computer usable program code in one or more
The computer program that machine usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow chart with reference to method, apparatus (equipment) and computer program product according to embodiments of the present invention
And/or block diagram describes.It should be understood that can be by each flow in computer program instructions implementation process figure and/or block diagram
And/or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided to refer to
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is made to produce
One machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for realizing
The device for the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (11)
1. a kind of OTG power supply and wireless charging compatible circuit, it is characterised in that including wireless receiving module, wired interface module,
Switch module and control module, wherein：
The control module, for if it is determined that the setting power supply of wireless receiving module connection first and the wireline interface mould
Block connects OTG equipment, then sends first switch control signal to the switch module；
The switch module, in response to the first switch control signal, turning on the wireless receiving module and charging back
The electrical connection on road, the electrical connection of the wireless receiving module and the wired interface module is turned on, disconnect the wireline interface mould
The electrical connection of block and the charge circuit；
The wireless receiving module, for receiving the electric energy of the first setting power supply transmitting, and to the charge circuit and
The wired interface module provides electric energy；
The wired interface module, the electric energy provided for receiving the wireless receiving module, and provide electricity to the OTG equipment
Energy.
2. OTG power supplies as claimed in claim 1 and wireless charging compatible circuit, it is characterised in that
The control module, for if it is determined that the setting power supply of wireless receiving module connection first and the wireline interface mould
Block is not connected with OTG equipment, then sends second switch control signal to the switch module；
The switch module, in response to the second switch control signal, turning on the wireless receiving module and being filled with described
The electrical connection of electrical circuit, disconnects the electrical connection of the wireless receiving module and the wired interface module, disconnects described wired connect
The electrical connection of mouth mold block and the charge circuit；
The wireless receiving module, for receiving the electric energy of the first setting power supply transmitting, and provided to the charge circuit
Electric energy.
3. OTG power supplies as claimed in claim 1 and wireless charging compatible circuit, it is characterised in that
The control module, for if it is determined that the not connected first setting power supply of the wireless receiving module and the wireline interface
Module connection the second setting power supply, then send the 3rd switch controlling signal to the switch module；
The switch module, in response to the 3rd switch controlling signal, disconnecting the wireless receiving module and being filled with described
The electrical connection of electrical circuit, disconnects the electrical connection of the wireless receiving module and the wired interface module, and conducting is described wired to be connect
The electrical connection of mouth mold block and the charge circuit；
The wired interface module, the electric energy provided for receiving the second setting power supply, and provided to the charge circuit
Electric energy.
4. OTG power supplies as claimed in claim 1 and wireless charging compatible circuit, it is characterised in that also including the first modulus of conversion
Block, the electric energy for the wireless receiving module to be exported is converted to voltage magnitude and is the direct current of the first setting value, and exports
To the wired interface module.
5. OTG power supplies as claimed in claim 1 or 2 and wireless charging compatible circuit, it is characterised in that also including the second conversion
Module, it is the second setting value and/or current amplitude that the electric energy for the wireless receiving module to be exported, which is converted to voltage magnitude,
For the direct current of the 3rd setting value, and export to the charge circuit.
6. a kind of terminal device, it is characterised in that compatible with wireless charging including any described OTG power supplies of Claims 1 to 5
Circuit.
7. a kind of OTG power supplies and wireless charging compatibility method, it is characterised in that applied to terminal device, the terminal device bag
Wireless receiving module, wired interface module and switch module are included, methods described includes：
If it is determined that the setting power supply of wireless receiving module connection first and wired interface module connection OTG equipment；
Then control the switch module cause the wireless receiving module respectively with charge circuit and the wired interface module
Electrical connection, the wired interface module disconnect with the charge circuit；
And control the wireless receiving module to receive the electric energy of the first setting power supply transmitting, and charged back by described
Road is charged to the battery module of the terminal device, and is provided by the wired interface module to the OTG equipment
Electric energy.
8. OTG power supplies as claimed in claim 7 and wireless charging compatibility method, it is characterised in that methods described also includes：
If it is determined that the setting power supply of wireless receiving module connection first and the wired interface module are not connected with OTG equipment；
Then control the switch module that the wireless receiving module is electrically connected with the charge circuit, the wireline interface mould
Block disconnects with the wireless receiving module and the charge circuit respectively；
And control the wireless receiving module to receive the electric energy of the first setting power supply transmitting, and charged back by described
The battery module of the terminal device is charged on road.
9. OTG power supplies as claimed in claim 7 and wireless charging compatibility method, it is characterised in that methods described also includes：
If it is determined that the not connected first setting power supply of the wireless receiving module and the setting of wired interface module connection second
Power supply；
Then control the switch module that the wired interface module is electrically connected with the charge circuit, the wireless receiving mould
Block disconnects with the charge circuit and the wired interface module respectively；
And control the wired interface module to receive the electric energy that the second setting power supply provides, and charged back by described
The battery module of the terminal device is charged on road.
10. OTG power supplies as claimed in claim 7 and wireless charging compatibility method, it is characterised in that the terminal device also wraps
The first modular converter is included, methods described also includes：
Control first modular converter that the electric energy that the wireless receiving module exports is converted into voltage magnitude for the first setting
The direct current of value is simultaneously exported to the wired interface module.
11. OTG power supplies as claimed in claim 7 or 8 and wireless charging compatibility method, it is characterised in that the terminal device
Also include the second modular converter, methods described also includes：
Control second modular converter that the electric energy that the wireless receiving module exports is converted into voltage magnitude for the second setting
Value and/or current amplitude for the 3rd setting value direct current and export to the charge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138602.3A CN107707000B (en) | 2017-11-16 | 2017-11-16 | OTG power supply and wireless charging compatible circuit, related method and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711138602.3A CN107707000B (en) | 2017-11-16 | 2017-11-16 | OTG power supply and wireless charging compatible circuit, related method and terminal equipment |
Publications (2)
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| CN107707000A true CN107707000A (en) | 2018-02-16 |
| CN107707000B CN107707000B (en) | 2022-01-28 |
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| 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 |
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| CN113852165A (en) * | 2021-09-27 | 2021-12-28 | Oppo广东移动通信有限公司 | Electronic equipment, charging connecting wire and wireless charging equipment assembly |
| CN113852165B (en) * | 2021-09-27 | 2024-05-03 | Oppo广东移动通信有限公司 | Electronic equipment, charging connecting wire and wireless charging equipment assembly |
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