CN105429245B - A kind of charge control method and battery charge controller - Google Patents
A kind of charge control method and battery charge controller Download PDFInfo
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- CN105429245B CN105429245B CN201511017276.1A CN201511017276A CN105429245B CN 105429245 B CN105429245 B CN 105429245B CN 201511017276 A CN201511017276 A CN 201511017276A CN 105429245 B CN105429245 B CN 105429245B
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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
Abstract
The embodiment of the invention discloses a kind of charge control method and battery charge controllers, protocol type for the charge protocol for detecting charging equipment, and charged to charging equipment according to protocol type so which kind of charge protocol no matter mobile terminal support can charge using battery charge controller.Present invention method includes：When accessing charging equipment, the protocol type of the charge protocol of charging equipment is determined；Control signal is generated according to protocol type, control signal includes voltage configuration control signal and circuit control signal；It is charged to charging equipment according to control signal.
Description
Technical field
The present invention relates to charging technique field more particularly to a kind of charge control methods and battery charge controller.
Background technology
The principle of the charging technique of the charger baby of the prior art is：Charger baby 5V High-current outputs, adapter export specification
For 5V/4.5A (22.5W), or adapter output specification promoted to 5V/5A (25W).
But the charging technique is circuit, battery core, interface, data line and the matching charger baby control core of a whole set of customization
The adapter of piece, these are not particularly suited for other mobile terminals both for specific mobile terminal.
Invention content
An embodiment of the present invention provides a kind of charge control method and battery charge controllers, for detecting charging equipment
The protocol type of charge protocol, and charged to charging equipment according to protocol type so that no matter mobile terminal supports what
Kind charge protocol can be charged using battery charge controller.
First aspect present invention provides a kind of charge control method, including：
When accessing charging equipment, the protocol type of the charge protocol of charging equipment is determined；
Control signal is generated according to protocol type, control signal includes voltage configuration control signal and circuit control signal；
It is charged to charging equipment according to control signal.
In conjunction with first aspect present invention, in first aspect present invention first embodiment, the charging of charging equipment is determined
The protocol type of agreement includes：
Obtain the positive and negative anodes level value of charging equipment and bus-powered VBUS level signals；
Judge whether the charge protocol of charging equipment is fast charge agreement according to positive and negative anodes level value；
If charge protocol is fast charge agreement, it is determined that the protocol type of charge protocol；
If charge protocol is not fast charge agreement, disconnected with charging equipment.
In conjunction with first aspect present invention first embodiment, in first aspect present invention second embodiment, charging is determined
The protocol type of agreement includes：
Charge protocol is matched according to VBUS level signals or positive and negative anodes level value；
If being matched to, the protocol type of charge protocol is identified；
If not being matched to, interim agreement is consulted according to positive and negative anodes level value and charging equipment, determines interim agreement
Protocol type.
In conjunction with first aspect present invention, in first aspect present invention third embodiment, according to control signal to be charged
Equipment charges, including：
It is connect with booster circuit according to the circuit control signal in control signal；
Booster circuit configures charging voltage according to the voltage configuration control signal in control signal, by VBUS to be charged
Equipment charges；
Alternatively,
It is charged to charging equipment by VBUS according to the circuit control signal in control signal.
Second aspect of the present invention provides a kind of battery charge controller, including：
Protocol module, for when accessing charging equipment, determining the protocol type of the charge protocol of charging equipment；
Processing module, for according to protocol type generate control signal, control signal include voltage configuration control signal and
Circuit control signal；
Power supply module, for being charged to charging equipment according to control signal.
In conjunction with second aspect of the present invention, in second aspect of the present invention first embodiment,
Protocol module, the positive and negative anodes level value for obtaining charging equipment and bus-powered VBUS level signals；
Protocol module is additionally operable to judge whether the charge protocol of charging equipment is fast charge agreement according to positive and negative anodes level value
Protocol module is additionally operable to, when charge protocol is fast charge agreement, determine the protocol type of charge protocol；
Protocol module is additionally operable to, when charge protocol is not fast charge agreement, disconnect with charging equipment.
In conjunction with second aspect of the present invention first embodiment, in second aspect of the present invention second embodiment, protocol module
Including：Fast charge protocol identification chip and BC1.2 agreements judge chip；
Fast charge protocol identification chip, for matching charge protocol according to VBUS level signals or positive and negative anodes level value；
Fast charge protocol identification chip, the protocol type for when being matched to charge protocol, identifying charge protocol；
BC1.2 agreements judge chip, for when not being matched to charge protocol, being set with to be charged according to positive and negative anodes level value
It is standby to consult interim agreement, determine the protocol type of interim agreement.
In conjunction with second aspect of the present invention, in second aspect of the present invention third embodiment, power supply module includes：Power switch
And booster circuit；
Power switch, for being connect with booster circuit according to the circuit control signal in control signal；
Booster circuit is given for configuring charging voltage according to the voltage configuration control signal in control signal by VBUS
Charging equipment charges；
Alternatively,
Power switch, for being filled to charging equipment by VBUS according to the circuit control signal in control signal
Electricity.
In conjunction with second aspect of the present invention third embodiment, in the 4th embodiment of second aspect of the present invention, power supply module
Further include：
Power supply battery core, connect with power switch, for providing electric energy.
In conjunction with second aspect of the present invention, second aspect first embodiment, second aspect second embodiment, second aspect
The 4th embodiment of third embodiment or second aspect, in the 5th embodiment of second aspect of the present invention, battery charge controller
Further include：
D+/- switching switch, connect, the positive and negative electrode for connecting charging equipment with protocol module and processing module.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages：
When battery charge controller accesses charging equipment, the protocol type of the charge protocol of charging equipment is determined；Root
Control signal is generated according to protocol type, control signal includes voltage configuration control signal and circuit control signal；Believed according to control
It number charges to charging equipment, it can be seen that, compared with mobile terminal in the prior art matches specific charging unit,
Battery charge controller can be that the mobile terminal of various charge protocols charges so that user charges to mobile terminal
When it is more convenient.
Description of the drawings
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to institute in embodiment and description of the prior art
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is one embodiment schematic diagram of charge control method in the embodiment of the present invention；
Fig. 2 is the interaction schematic diagram of battery charge controller and charging equipment in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of one embodiment of battery charge controller in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another embodiment of battery charge controller in the embodiment of the present invention；
Fig. 5 is the interaction schematic diagram of each module and charging equipment in battery charge controller in the embodiment of the present invention.
Specific implementation mode
An embodiment of the present invention provides a kind of charge control method and battery charge controllers, for detecting charging equipment
The protocol type of charge protocol, and charged to charging equipment according to protocol type so that no matter mobile terminal supports what
Kind charge protocol can be charged using battery charge controller.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
Below by specific embodiment, it is described in detail respectively.
Referring to Fig. 1, the embodiment of the present invention provides a kind of charge control method, including：
101, when accessing charging equipment, the protocol type of the charge protocol of charging equipment is determined；
In the present embodiment, when user needs to charge to charging equipment, charging equipment is accessed into charge control
Device, battery charge controller connect the association for the charge protocol for determining charging equipment by the charging wire between charging equipment
Discuss type.
102, control signal is generated according to protocol type, control signal includes voltage configuration control signal and circuit control letter
Number；
In the present embodiment, after battery charge controller determines the protocol type of the charge protocol of charging equipment, according to agreement
Type generates control signal, and control signal includes voltage configuration control signal and circuit control signal, voltage configuration control signal
For configuring charging voltage, circuit control signal is for configuring charging circuit.
103, it is charged to charging equipment according to control signal.
In the present embodiment, battery charge controller is according to the voltage configuration control signal or circuit control letter in control signal
Number, charging voltage or charging circuit are configured, after configuration is good, charged to charging equipment.
In the embodiment of the present invention, when battery charge controller accesses charging equipment, the charging association of charging equipment is determined
The protocol type of view；Control signal is generated according to protocol type, control signal includes voltage configuration control signal or circuit control
Signal；It is charged to charging equipment according to control signal, it can be seen that, it is matched with mobile terminal in the prior art specific
Charging unit compare, battery charge controller can be various charge protocols mobile terminal charge so that user is right
It is more convenient when mobile terminal is charged.
Optionally, in some embodiments of the present invention, determine that the protocol type of the charge protocol of charging equipment includes：
Obtain the positive and negative anodes level value of charging equipment and bus-powered VBUS level signals；
Judge whether the charge protocol of charging equipment is fast charge agreement according to positive and negative anodes level value；
If charge protocol is fast charge agreement, it is determined that the protocol type of charge protocol；
If charge protocol is not fast charge agreement, disconnected with charging equipment.
Optionally, in some embodiments of the present invention, determine that the protocol type of charge protocol includes：
Charge protocol is matched according to VBUS level signals or positive and negative anodes level value；
If being matched to, the protocol type of charge protocol is identified；
If not being matched to, interim agreement is consulted according to positive and negative anodes level value and charging equipment, determines interim agreement
Protocol type.
Optionally, it in some embodiments of the present invention, is charged to charging equipment according to control signal, including：
It is connect with booster circuit according to the circuit control signal in control signal；
Booster circuit configures charging voltage according to the voltage configuration control signal in control signal, by VBUS to be charged
Equipment charges；
Alternatively,
It is charged to charging equipment by VBUS according to the circuit control signal in control signal.
For ease of understanding, charge control method in the embodiment of the present invention is carried out with a practical application scene below detailed
Description：
In the present invention, charging equipment is mobile terminal, and mobile terminal is mobile phone, tablet computer and smartwatch etc., and
And the charge protocol of mobile terminal is typically all fast charge agreement, the type of existing fast charge agreement has：BC1.2, high pass Quick
Pump express of charger, MTK, the MAXCHARGER of TI and apple and the special fast charge agreement of Samsung etc..
As shown in Fig. 2, when user needs to charge to charging equipment, by charging equipment access charge control dress
Set, D+/- switching switch of the positive and negative anodes of charging equipment (D+/-) access battery charge controller, VBUS access power switch and
Fast charge protocol identification chip, D+/- switching switch open channel 2 under the control of the switch control signal of processing module, will wait filling
The positive and negative anodes level value of electric equipment is sent to fast charge protocol identification chip, and fast charge protocol identification chip judges according to positive and negative anodes level value
Whether the charge protocol of charging equipment is fast charge agreement.
If charge protocol is not fast charge agreement, processing module generates control signal, according to control signal D+/- switching
Switch, power switch and fast charge protocol identification chip and charging equipment disconnect.
If charge protocol is fast charge agreement, fast charge protocol identification chip is according to positive and negative anodes level value or according to acquisition
VBUS level signals, to the charge protocol carry out fast charge agreement matching.
If fast charge protocol identification chip is matched to, then it represents that fast charge protocol identification chip is to support the charge protocol
, the protocol type of the charge protocol is identified, by I2C (Inter-Integrated Circuit) buses by protocol type
Inform processing module, processing module generating circuit controls signal, according to circuit control signal by power switch and booster circuit it
Between channel 3 be connected, for booster circuit power, fast charge protocol identification chip according to protocol type generate voltage configuration control letter
Number, booster circuit is controlled according to voltage configuration control signal and obtains corresponding charging voltage, is set to be charged finally by VBUS
Standby charging；
If the matching of fast charge protocol identification chip by I2C buses less than informing processing module, processing module is by opening
Control signal control D+/- switching switch closing passage 2 and channel 3 are closed, channel 1 is opened and BC1.2 agreements is allowed to judge that chip acquisition waits for
The positive and negative anodes level value of charging equipment consults interim agreement according to positive and negative anodes level value and charging equipment, determines interim association
The protocol type of view, processing module are beaten according to protocol type generating circuit controls signal, power switch according to circuit control signal
Open walk 4 is charged by VBUS to charging equipment.
The charging control circuit in the embodiment of the present invention is described above, the charging control in the embodiment of the present invention is described below
Device processed, referring to Fig. 3, one embodiment in the embodiment of the present invention includes：
Protocol module 301, for when accessing charging equipment, determining the protocol class of the charge protocol of charging equipment
Type；
Processing module 302, for generating control signal according to protocol type, control signal includes voltage configuration control signal
And circuit control signal；
Power supply module 303, for being charged to charging equipment according to control signal.
In the embodiment of the present invention, when battery charge controller accesses charging equipment, protocol module 301 determines to be charged set
The protocol type of standby charge protocol；Processing module 302 generates control signal according to protocol type, and control signal includes that voltage is matched
Set control signal or circuit control signal；Power supply module 303 charges to charging equipment according to control signal, thus may be used
See, compared with mobile terminal in the prior art matches specific charging unit, battery charge controller can be that various chargings are assisted
The mobile terminal of view charges so that user is more convenient when charging to mobile terminal.
Optionally, in some embodiments of the present invention,
Protocol module 301, the positive and negative anodes level value for obtaining charging equipment and bus-powered VBUS level signals；
Protocol module 301 is additionally operable to judge whether the charge protocol of charging equipment is fast charge according to positive and negative anodes level value
Agreement
Protocol module 301 is additionally operable to, when charge protocol is fast charge agreement, determine the protocol type of charge protocol；
Protocol module 301 is additionally operable to, when charge protocol is not fast charge agreement, disconnect with charging equipment.
Optionally, as shown in figure 4, in some embodiments of the present invention, protocol module 301 includes：Fast charge protocol identification core
Piece 3011 and BC1.2 agreements judge chip 3012；
Fast charge protocol identification chip 3011, for matching charge protocol according to VBUS level signals or positive and negative anodes level value；
Fast charge protocol identification chip 3011, the protocol type for when being matched to charge protocol, identifying charge protocol；
BC1.2 agreements judge chip 3012, for when not being matched to charge protocol, according to positive and negative anodes level value with wait filling
Electric equipment consults interim agreement, determines the protocol type of interim agreement.
Optionally, as shown in figure 4, in some embodiments of the present invention, power supply module 303 includes：Power switch 3031 and
Booster circuit 3032；
Power switch 3031, for being connect with booster circuit according to the circuit control signal in control signal；
Booster circuit 3032 passes through for configuring charging voltage according to the voltage configuration control signal in control signal
VBUS charges to charging equipment；
Alternatively,
Power switch 3031, for being carried out to charging equipment by VBUS according to the circuit control signal in control signal
Charging.
Optionally, as shown in figure 4, in some embodiments of the present invention, power supply module 303 further includes：
Power supply battery core 3033, connect with power switch 3031, for providing electric energy.
Optionally, as shown in figure 4, in some embodiments of the present invention, battery charge controller further includes：
D+/- switching switch 401, connect with protocol module 301 and processing module 302, for connecting charging equipment just
Negative electrode.
For ease of understanding, below with a concrete application scene to battery charge controller in the embodiment of the present invention and to be charged
Interaction between equipment is described in detail：
In the present invention, charging equipment is mobile terminal, and mobile terminal is mobile phone, tablet computer and smartwatch etc., and
And the charge protocol of mobile terminal is typically all fast charge agreement, the type of existing fast charge agreement has：BC1.2, high pass Quick
Pump express of charger, MTK, the MAXCHARGER of TI and apple and the special fast charge agreement of Samsung etc..
As shown in figure 5, when user needs to charge to charging equipment, by charging equipment access charge control dress
It sets, D+/- switching switch 401 of the positive and negative electrode access battery charge controller of charging equipment, VBUS accesses power switch 3031
With fast charge protocol identification chip 3012, D+/- switching switch 401 is opened under the control of the switch control signal of processing module 302
Channel 2 send the positive and negative anodes level value of charging equipment to fast charge protocol identification chip 3012, fast charge protocol identification chip 3012
Judge whether the charge protocol of charging equipment is fast charge agreement according to positive and negative anodes level value.
If charge protocol is not fast charge agreement, processing module 302 generates control signal, is cut according to control signal D+/-
Switch 401, power switch 3031 and fast charge protocol identification chip 3012 is changed to disconnect with charging equipment.
If charge protocol is fast charge agreement, fast charge protocol identification chip 3012 according to positive and negative anodes level value or according to
The VBUS level signals of acquisition carry out fast charge agreement matching to the charge protocol.
If fast charge protocol identification chip is matched to, then it represents that fast charge protocol identification chip 3012 is to support charging association
View, it identifies the protocol type of the charge protocol, protocol type is informed by processing module 302, processing module by I2C buses
302 generating circuit controls signals lead the channel 3 between power switch 3031 and booster circuit 3032 according to circuit control signal
It is logical, it powers for booster circuit 3032, fast charge protocol identification chip 3012 generates voltage configuration control signal, root according to protocol type
Corresponding charging voltage is obtained according to voltage configuration control signal control booster circuit 3032, finally by VBUS to charging equipment
Charging.
If the matching of fast charge protocol identification chip by I2C buses less than informing processing module 302, processing module 302
D+/- switching 401 closing passage 2 of switch and channel 3 are controlled by switch control signal, channel 1 is opened and BC1.2 agreements is allowed to judge
Chip 3031 obtains the positive and negative anodes level value of charging equipment, and interim association is consulted according to positive and negative anodes level value and charging equipment
View, determines the protocol type of interim agreement, processing module 302 is according to protocol type generating circuit controls signal, power switch
3031 open channel 4 according to circuit control signal, are charged to charging equipment by VBUS.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Stating embodiment, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of charge control method, which is characterized in that including：
When accessing charging equipment, the positive and negative anodes level value and bus-powered VBUS level letter of the charging equipment are obtained
Number；
Judge whether the charge protocol of the charging equipment is fast charge agreement according to the positive and negative anodes level value；
If the charge protocol is fast charge agreement, it is determined that the protocol type of the charge protocol；
If the charge protocol is not fast charge agreement, disconnected with the charging equipment；
Control signal is generated according to the protocol type, the control signal includes voltage configuration control signal and circuit control letter
Number；
It is charged to the charging equipment according to the control signal.
2. charge control method according to claim 1, which is characterized in that the protocol class of the determination charge protocol
Type includes：
The charge protocol is matched according to the VBUS level signals or the positive and negative anodes level value；
If being matched to, the protocol type of the charge protocol is identified；
If not being matched to, interim agreement is consulted according to the positive and negative anodes level value and the charging equipment, determine described in
The protocol type of interim agreement.
3. charge control method according to claim 1, which is characterized in that described to be waited for described according to the control signal
Charging equipment charges, including：
It is charged to the charging equipment by VBUS according to the circuit control signal in the control signal；
Alternatively,
It is connect with booster circuit according to the circuit control signal in the control signal；
The booster circuit configures charging voltage according to the voltage configuration control signal in the control signal, by VBUS to institute
Charging equipment is stated to charge.
4. a kind of battery charge controller, which is characterized in that including：
Protocol module, positive and negative anodes level value and bus for when accessing charging equipment, obtaining the charging equipment supply
Electric VBUS level signals；
The protocol module, be additionally operable to according to the positive and negative anodes level value judge the charging equipment charge protocol whether be
Fast charge agreement
The protocol module is additionally operable to, when the charge protocol is fast charge agreement, determine the protocol type of the charge protocol；
The protocol module is additionally operable to, when the charge protocol is not fast charge agreement, disconnect with the charging equipment；
Processing module, for generating control signal according to the protocol type, the control signal includes voltage configuration control letter
Number and circuit control signal；
Power supply module, for being charged to the charging equipment according to the control signal.
5. battery charge controller according to claim 4, which is characterized in that the protocol module includes：Fast charge agreement is known
Other chip and BC1.2 agreements judge chip；
The fast charge protocol identification chip, for being filled according to described in the VBUS level signals or positive and negative anodes level value matching
Electric agreement；
The fast charge protocol identification chip, the protocol class for when being matched to the charge protocol, identifying the charge protocol
Type；
The BC1.2 agreements judge chip, for when not being matched to the charge protocol, according to the positive and negative anodes level value with
The charging equipment consults interim agreement, determines the protocol type of the interim agreement.
6. battery charge controller according to claim 4, which is characterized in that the power supply module includes：Power switch and
Booster circuit；
The power switch, for being connect with booster circuit according to the circuit control signal in the control signal；
The booster circuit passes through for configuring charging voltage according to the voltage configuration control signal in the control signal
VBUS charges to the charging equipment；
Alternatively,
The power switch, for giving the charging equipment by VBUS according to the circuit control signal in the control signal
It charges.
7. battery charge controller according to claim 6, which is characterized in that the power supply module further includes：
Power supply battery core, connect with the power switch, for providing electric energy.
8. battery charge controller according to any one of claims 4 to 7, which is characterized in that the battery charge controller
Further include：
D+/- switching switch, connect with the protocol module and the processing module, for connecting the charging equipment just
Cathode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511017276.1A CN105429245B (en) | 2015-12-28 | 2015-12-28 | A kind of charge control method and battery charge controller |
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| CN201511017276.1A CN105429245B (en) | 2015-12-28 | 2015-12-28 | A kind of charge control method and battery charge controller |
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| CN112825401B (en) * | 2019-11-20 | 2022-12-02 | 北京小米移动软件有限公司 | Charging line, charger, charging control method and charging device |
| CN111697680A (en) * | 2020-06-27 | 2020-09-22 | 上海工程技术大学 | Solar energy and wind energy integrated device for charging and energy storage |
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