CN109768599A - A kind of charging method and main equipment based on more USB-C interfaces - Google Patents
A kind of charging method and main equipment based on more USB-C interfaces Download PDFInfo
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- CN109768599A CN109768599A CN201910086895.8A CN201910086895A CN109768599A CN 109768599 A CN109768599 A CN 109768599A CN 201910086895 A CN201910086895 A CN 201910086895A CN 109768599 A CN109768599 A CN 109768599A
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- 238000007600 charging Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000010586 diagram Methods 0.000 description 12
- 230000005611 electricity Effects 0.000 description 11
- 238000004891 communication Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of charging method and main equipment based on more USB-C interfaces, method includes: the reference voltage and reference current for obtaining the slave equipment being connected with the USB-C interface；According to the reference voltage from equipment, it is described from equipment to determine that the supply voltage of the charger and the supply voltage are compatible with；If the supply current of the charger is greater than or equal to the compatible reference current from equipment of the supply voltage, described being powered from equipment that the main equipment is supply voltage compatibility is controlled.Main equipment is effectively ensured while receiving charging in method provided in an embodiment of the present invention, meets multiple chargings from equipment, makes full use of the power supply capacity of charger.
Description
The application is entitled " a kind of charging method based on more USB-C interfaces proposed on November 29th, 2016
And main equipment " Chinese invention patent application 201611075785.4 divisional application.
Technical field
The present invention relates to charging technique field more particularly to a kind of charging methods and main equipment based on more USB-C interfaces.
Background technique
USB Type-C interface, abbreviation USB-C interface are physically supporting directionless positive anti-plug, functionally
Realize while supporting the transmission of data and audio-video signal, meanwhile, USB-C interface supports the transmitted in both directions of power supply, can both connect
It is the charging for installing the electronic equipment of the interface by power supply, electric energy can also be provided to external other electronic equipments, also, be based on
Newest USB PD(USB Power Delivery) agreement, USB-C interface highest in charging can transmit the power of 100W.
It is single USB-C interface equipment charging schematic diagram referring to Fig. 1, Fig. 1.As shown in Figure 1, USB is arranged on main equipment 1
Type-C module and control module, the USB Type-C module are electrically connected with control module.Wherein, in USB Type-C module
It is integrated with circuit and PD chip, the PD chip supports USB PD agreement.USB-C interface 11 is configured in USB Type-C module,
Main equipment 1 is connect with from equipment and is carried out data transmission or power transmission by USB-C interface 11.When 11 grafting of USB-C interface
When charger, the output power that USB Type-C module obtains charger is simultaneously sent to control module, by control module according to filling
The output power of electric appliance and the input power of USB-C interface 11, determine the charge power of charger, finally by USB Type-C
Module notice charger charges according to the charge power；When USB-C interface 11 is connected by grafting data line with from equipment 2
When connecing, main equipment 1 and carry out data transmission between equipment 2, meanwhile, USB Type-C module at USB-C interface 11 with from
CC(Configuration Channel, collocation channel are established between the USB-C interface of equipment) communication, and according to communication information
Determine the output power to peripheral hardware charging equipment.When being provided with multiple USB-C interfaces on main equipment 1, main equipment 1 can with it is multiple
It is connected from equipment, and to be multiple from equipment charge, at this point, main equipment 1 and from standalone protocol output power between equipment.
But main equipment at the same time by electricity and power supply when, due to main equipment and from standalone protocol output power between equipment,
And standalone protocol charge power between main equipment and charger, therefore, it is impossible to guarantee the charge power of charger while meeting
Multiple demands from equipment.
Summary of the invention
To overcome the problems in correlation technique, the present invention provide a kind of charging method based on more USB-C interfaces and
Main equipment.
According to a first aspect of the embodiments of the present invention, a kind of charging method based on more USB-C interfaces is provided, applied to setting
Set the main equipment of multiple USB-C interfaces characterized by comprising
Obtain the demand voltage of the slave equipment of each USB-C interface connection and the maximum power supply of demand current and charger
Electric current；
According to the demand voltage from equipment and the demand voltage of the main equipment, to the equipment powered from equipment
Quantity is up to principle, determines the supply voltage of the charger and the slave equipment of supply voltage compatibility；
According to the demand current of the compatible slave equipment of the maximum supply current of the charger and the supply voltage, institute is judged
State whether maximum supply current can satisfy the current needs of the compatible slave equipment of the supply voltage；
When the maximum supply current can satisfy the current needs of the compatible slave equipment of the supply voltage, the master is controlled
Equipment receives the electric energy that the charger is provided according to the supply voltage and maximum supply current, meanwhile, it controls the master and sets
The demand current of the standby slave equipment compatible according to the supply voltage and the supply voltage is powered.
Further, to be up to principle to the number of devices powered from equipment, the power supply of the charger is determined
The slave equipment of voltage and supply voltage compatibility, comprising:
The intersection for calculating all demand voltages from equipment, select in all intersections covering it is described from number of devices most
More intersections；
Determine the covering supply voltage from the maximum voltage value in the most intersection of number of devices for charger.
Further, the covering power supply from the maximum voltage value in the most intersection of number of devices for charger is determined
Voltage, comprising:
When there are at least two intersections for all demand voltages from equipment, and the slave number of devices that the intersection includes is identical
When, determine the maximum intersection of demand voltage value in all intersections.
Further, judge whether the maximum supply current can satisfy the electricity of the compatible slave equipment of the supply voltage
Stream demand, comprising:
Calculate the difference of the maximum supply current of the charger and the demand current of the main equipment；
Judge whether the difference meets the demand current of the compatible slave equipment of the supply voltage.
Further, the method also includes:
When the current needs for the slave equipment that the maximum supply current is compatible with it is impossible to meet the supply voltage, described in determination
The compatible demand voltage from the device of supply voltage and it is other from equipment compatibility it is the smallest from equipment be preferential power supply unit；
It controls the main equipment and receives the electric energy that the charger is provided according to the supply voltage and maximum supply current, together
When, control main equipment is powered according to the demand voltage and demand current of the preferential power supply unit.
Further, the covering power supply from the maximum voltage value in the most intersection of number of devices for charger is determined
Voltage, comprising:
When all demand voltages from equipment are without intersection, according to all demand voltages and demand current from equipment
Calculate demand power；
The prominent demand voltage from the corresponding demand voltage of equipment and the main equipment determines charger according to demand
Supply voltage.
Second aspect provides a kind of more USB-C interface main equipments, comprising: multiple USB-C interfaces, control module and storage
Device；
The USB-C interface with from equipment for connecting；
The memory, for storing program code；
The control module for reading the program code in the memory, and executes method described in first aspect.
The technical solution that the embodiment of the present invention provides can include the following benefits:
Method provided in an embodiment of the present invention obtains the reference voltage for the slave equipment being connected with the USB-C interface and with reference to electricity
Stream；According to the reference voltage from equipment, the supply voltage of the charger and the institute of supply voltage compatibility are determined
It states from equipment；If the supply current of the charger is greater than or equal to the compatible reference electricity from equipment of the supply voltage
Stream controls described being powered from equipment that the main equipment is supply voltage compatibility.Seen from the above description, main equipment
By supply current, the supply voltage of all reference voltages from equipment and reference current and main equipment, charger is determined
The slave equipment of supply voltage and main equipment supplying power for outside, to make full use of the charge power of charger, guarantee while meet more
A power supply from equipment.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of list USB-C interface charging structure schematic diagram；
Fig. 2 provides a kind of more USB-C interface main equipment structural schematic diagrams for the embodiment of the present invention；
Fig. 3 is a kind of charging method flow diagram of more USB-C interfaces provided in an embodiment of the present invention；
Fig. 4 is step S102 flow diagram provided in an embodiment of the present invention；
Fig. 5 is another step S102 flow diagram provided in an embodiment of the present invention；
Fig. 6 is step S103 flow diagram provided in an embodiment of the present invention；
Fig. 7 is two flow diagram of embodiment provided in an embodiment of the present invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Method provided in an embodiment of the present invention is applied to that the main equipment of multiple USB-C interfaces is arranged, as shown in Fig. 2, master sets
4 USB-C interfaces 31,32,33 and 34 are provided on standby 3, when the USB-C interface grafting of main equipment 3 is from equipment, USB-C
The Type-C module of interface establishes CC communication with from equipment, determines which is power supply unit and electrical equipment from the device, such as
Shown in figure, main equipment 3 determines that from equipment 4,5,6 be electrical equipment, and main equipment 3 is to be powered from equipment 4,5,6.
Embodiment one
The embodiment of the present invention provides a kind of charging method based on more USB-C interfaces and provides referring to Fig. 3 for the embodiment of the present invention
One flow diagram of embodiment.
In step s101, the demand voltage and demand current of the slave equipment of each USB-C interface connection are obtained, and
The maximum supply current of charger.
The Type-C module of the USB-C interface of main equipment carries out CC communication with the Type-C module from equipment interface,
Each interface establishes CC communication with from equipment respectively, obtains all demand voltages and demand current from equipment.Meanwhile main equipment
CC communication is established with charger, obtains the maximum supply current of charger.
In step s 102, according to the demand voltage of demand voltage and main equipment from equipment, to power to from equipment
Number of devices be up to principle, determine the supply voltage of charger and the compatible slave equipment of supply voltage.
Main equipment to it is multiple from equipment charge when, each may be different from the demand voltage of equipment and demand current,
At this time, it may be necessary to the comprehensive supply voltage for determining charger from the demand voltage of equipment and the demand voltage of main equipment, charger
Supply voltage be required to meet the demand voltage of main equipment, main equipment is the power supply from the supply voltage and charger of equipment
Voltage is identical.
In order to guarantee the charging quantity from equipment, charger is under the premise of meeting the demand voltage of main equipment, power supply electricity
Pressure needs satisfaction most for the quantity of the slave equipment of charging.
It referring to fig. 4, is the specific steps of the supply voltage of determining charger, comprising:
In step S1021, the intersection of all demand voltages from equipment is calculated, selects to cover in all intersections from number of devices
Most intersections.
According to the demand voltage from equipment, calculate the intersection from the demand voltage of equipment, determine in all intersections covering from
The most intersection of the quantity of equipment is the optional range of supply voltage, then determines that maximum voltage value is supply voltage in intersection.Separately
Outside, determining intersection needs to meet the demand voltage of main equipment.
In step S1022, determine that maximum voltage value of the covering from the most intersection of number of devices is the confession of charger
Piezoelectric voltage.
It is shown in Figure 2, it is 5-10V from the demand voltage of equipment 4, is 10-20V from the demand voltage of equipment 5, from equipment
6 demand voltage is 15-20V, and the demand voltage of main equipment 3 is 5-20V.According to the demand voltage from equipment, ask all from setting
The intersection of standby demand voltage, obtaining intersection is 10V or 15-20V, wherein 10V voltage can meet from equipment 4 and supply from equipment 5
Electricity, 15-20V voltage can meet from equipment 5 and power from equipment 6.
In all demand voltages from equipment there are at least two intersections, and when the intersection slave number of devices that includes is identical,
Determine the maximum intersection of demand voltage value in intersection.It can be seen from the above, in the intersection of 10V and 15-20V, the demand electricity of 15-20V
Pressure value range is larger, accordingly, it is determined that 20V is charging voltage.
It is the flow diagram of step S102 provided in an embodiment of the present invention referring to Fig. 5.
In step S1023, when all demand voltages from equipment are without intersection, according to all demand voltages from equipment
Demand power is calculated with demand current.
It is prominent from the demand of the corresponding demand voltage of equipment and main equipment electricity according to demand in step S1024
Flow the supply voltage for determining charger.
When determining the supply voltage of charger according to main equipment and the demand voltage from equipment, if all from equipment
When demand voltage is without intersection, according to the demand voltage and the determining demand power from equipment of demand current from equipment.Determine demand
The prominent demand voltage from the corresponding demand voltage of equipment and main equipment determines the supply voltage of charger.
In step s 103, according to the demand electricity of the compatible slave equipment of the maximum supply current and supply voltage of charger
Stream, judges whether maximum supply current can satisfy the current needs of the compatible slave equipment of supply voltage.
In above-mentioned steps, after determining supply voltage according to main equipment and the demand voltage from equipment, need to judge to charge
Whether the maximum supply current of device meets the current needs of the compatible slave equipment of supply voltage, specific steps, comprising:
It is the flow diagram of step S103, in step S1031: calculating maximum supply current and the master of charger referring to Fig. 6
The difference of the demand current of equipment.
The maximum supply current of charger needs to judge whether to be able to satisfy under the premise of meeting the current needs of main equipment
The demand current of the compatible slave equipment of supply voltage.Therefore, the need of main equipment can be subtracted according to the maximum supply current of charger
The difference of electric current is asked to determine.
In step S1032, judge whether difference meets the demand current of the compatible slave equipment of supply voltage.
When difference is greater than or equal to the sum of the demand current of the compatible slave equipment of supply voltage, at this point, the difference is full
The demand current of the compatible slave equipment of sufficient supply voltage, when difference is less than the sum of the demand current of the compatible slave equipment of supply voltage
It is that the difference is unsatisfactory for the demand current of the compatible slave equipment of supply voltage.
In step S104, when maximum supply current can satisfy the current needs of the compatible slave equipment of supply voltage,
Control main equipment receives the electric energy that charger is provided according to supply voltage and maximum supply current, meanwhile, control main equipment according to
The demand current of the slave equipment of supply voltage and supply voltage compatibility is powered.
When maximum supply current can satisfy the current needs of the compatible slave equipment of supply voltage, at this point, control master sets
The standby electric energy for receiving charger and being provided according to supply voltage and maximum supply current, meanwhile, main equipment is according to supply voltage to confession
The compatible slave equipment of piezoelectric voltage is powered, main equipment during to powering from equipment, according to supply voltage it is compatible from
The demand current of equipment is powered.
Seen from the above description, method provided in an embodiment of the present invention, it is comprehensive true according to main equipment and from the demand of equipment
Determine the supply voltage of charger, and for the slave equipment of charging, thus it is guaranteed that the charge power of charger can meet simultaneously it is more
A power demand from equipment.
Embodiment two
It is two flow diagram of the embodiment of the present invention referring to Fig. 7.
In step s 201, the demand voltage and demand current of the slave equipment of each USB-C interface connection are obtained, and
The maximum supply current of charger.
In step S202, according to the demand voltage of demand voltage and main equipment from equipment, to power to from equipment
Number of devices be up to principle, determine the supply voltage of charger and the compatible slave equipment of supply voltage.
In step S203, according to the demand electricity of the compatible slave equipment of the maximum supply current and supply voltage of charger
Stream, judges whether maximum supply current can satisfy the current needs of the compatible slave equipment of supply voltage.
In step S204, when maximum supply current is not able to satisfy the current needs of the compatible slave equipment of supply voltage,
Determine that the compatible demand voltage from the device of supply voltage is set with other from equipment compatibility is the smallest from equipment for preferential power supply
It is standby.
In step S205, control main equipment receives the electricity that charger is provided according to supply voltage and maximum supply current
Can, meanwhile, control main equipment is powered according to the demand voltage and demand current of preferential power supply unit.
It is less than the compatible demand from equipment of supply voltage in maximum supply current and the difference of the demand current of main equipment
When the sum of electric current, need to be powered from the compatible selection from the device of supply voltage from equipment.It is supplied in selection from equipment
When electric, select demand voltage compatibility the smallest from equipment, wherein demand voltage compatibility minimum refers to after charging,
Main equipment can cover bigger supply voltage, guarantee while the slave number of devices of charging is most.
Such as the example above, according to the demand voltage from equipment 4,5,6, determine from equipment 5 and from the intersection 15-20V of equipment 6
20V voltage in voltage is supply voltage, then according to the maximum supply current of main equipment and from equipment 5 and from equipment 6
Demand current, judges whether maximum supply current meets from setting 5 and the current needs from equipment 6, when being unsatisfactory for, due to from setting
Standby 6 demand voltage is 15-20V, when preferentially to powering from equipment 6 after, main equipment can meet to from equipment 4 and from equipment
5 power simultaneously, therefore minimum from the compatibility of equipment 6, determine that from equipment 6 be preferential power supply unit.
As can be seen from the above embodiments, between method Type-C module provided in an embodiment of the present invention agreement charger power supply
Voltage and main equipment meet the slave equipment of charging simultaneously, to make full use of the maximum charging current and voltage of charger, protect
Card main equipment can meet multiple chargings from equipment simultaneously.
The embodiment of the invention also provides a kind of more USB-C interface main equipments, comprising: multiple USB-C interfaces, control module
And memory；
Wherein, USB-C interface is used to connect with from equipment and charger, and each USB-C interface is provided with Type-C module,
Type-C module establishes the channel CC with Type-C module from the device, carries out CC communication, agreement is respectively from the demand voltage of equipment
And demand current.The memory, for storing program code；The control module, for reading the journey in the memory
Sequence code obtains each demand voltage and demand current from equipment determined after CC communication, and according to the demand voltage from equipment
And the maximum supply current of demand current and charger, determine the supply voltage of charger, and can meet while power
From equipment.
Those skilled in the art will readily occur to of the invention its after considering specification and the disclosure invented here of practice
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (5)
1. a kind of charging method based on more USB-C interfaces characterized by comprising
Obtain the reference voltage and reference current of the slave equipment being connected with the USB-C interface；
According to the reference voltage from equipment, the supply voltage of the charger and the institute of supply voltage compatibility are determined
It states from equipment；
If the supply current of the charger is greater than or equal to the compatible reference current from equipment of the supply voltage, control
Make described being powered from equipment that the main equipment is supply voltage compatibility.
2. the method according to claim 1, wherein it is described according to from the reference voltage of equipment, determine institute
The supply voltage for stating charger, specifically includes:
Calculate the intersection of multiple reference voltages from equipment；
The supply voltage of the charger is determined in the intersection.
3. according to the method described in claim 2, it is characterized in that, the power supply for determining the charger in the intersection
Voltage specifically includes:
When there are the first supply voltages for when multiple intersections, determining multiple intersections for the reference voltage from equipment；
According to multiple first supply voltages, the supply voltage of the charger is determined.
4. the method according to claim 1, wherein the supply current of the charger is greater than or equal to the confession
The compatible reference current from equipment of piezoelectric voltage, specifically includes:
Calculate the current difference between the supply current of the charger and the reference current from equipment；
Judge whether the current difference meets the reference current of the compatible slave equipment of the supply voltage.
5. one kind is based on more USB-C interface main equipments characterized by comprising multiple USB-C interfaces, control module and storage
Device；
The USB-C interface with from equipment for connecting；
The memory, for storing program code；
The control module, for reading the program code in the memory, and perform claim require it is any described in 1-4
Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910086895.8A CN109768599B (en) | 2016-11-29 | 2016-11-29 | Charging method based on multiple USB-C interfaces and main equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910086895.8A CN109768599B (en) | 2016-11-29 | 2016-11-29 | Charging method based on multiple USB-C interfaces and main equipment |
| CN201611075785.4A CN106487069B (en) | 2016-11-29 | 2016-11-29 | A kind of charging method and main equipment based on more USB-C interfaces |
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| CN201611075785.4A Division CN106487069B (en) | 2016-11-29 | 2016-11-29 | A kind of charging method and main equipment based on more USB-C interfaces |
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| CN109768599A true CN109768599A (en) | 2019-05-17 |
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| CN201611075785.4A Active CN106487069B (en) | 2016-11-29 | 2016-11-29 | A kind of charging method and main equipment based on more USB-C interfaces |
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| US20230100024A1 (en) * | 2021-09-28 | 2023-03-30 | Asustek Computer Inc. | Charging device and charging method thereof |
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| KR102405773B1 (en) | 2017-09-27 | 2022-06-08 | 삼성전자주식회사 | Method for communicating multi devices using usb type c interface and electronic device for the same |
| WO2019156659A1 (en) * | 2018-02-07 | 2019-08-15 | Hewlett-Packard Development Company, L.P. | Sharing power among electronic devices connected by serial bus connections |
| CN108388331A (en) * | 2018-03-06 | 2018-08-10 | 合肥联宝信息技术有限公司 | I/O port control circuits and control method, electronic equipment and its control method |
| CN109144229A (en) * | 2018-09-30 | 2019-01-04 | 联想(北京)有限公司 | A kind of power supply output management method, apparatus and electronic equipment |
| CN111327087B (en) * | 2018-12-14 | 2023-03-21 | 青岛海信移动通信技术股份有限公司 | Electronic equipment and charging method thereof |
| CN110492717A (en) * | 2019-07-01 | 2019-11-22 | 联想(北京)有限公司 | A kind of processing equipment and processing method |
| CN111949594B (en) * | 2020-08-18 | 2022-10-28 | 上海乐今通信技术有限公司 | Mobile terminal with multiple USB interfaces and implementation method |
| CN115224770B (en) * | 2022-08-11 | 2024-03-22 | 绍兴光大芯业微电子有限公司 | PD super-fast charge SOC system for realizing multi-power multi-configuration full time domain |
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| TWI797756B (en) * | 2021-09-28 | 2023-04-01 | 華碩電腦股份有限公司 | Charging device and charging method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109768599B (en) | 2023-09-12 |
| CN106487069B (en) | 2019-03-08 |
| CN106487069A (en) | 2017-03-08 |
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