CN107612072A - A kind of battery charging control device, method and intelligent terminal - Google Patents
A kind of battery charging control device, method and intelligent terminal Download PDFInfo
- Publication number
- CN107612072A CN107612072A CN201710881118.3A CN201710881118A CN107612072A CN 107612072 A CN107612072 A CN 107612072A CN 201710881118 A CN201710881118 A CN 201710881118A CN 107612072 A CN107612072 A CN 107612072A
- Authority
- CN
- China
- Prior art keywords
- battery
- charging
- low
- module
- pressure direct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of battery charging control device, method and intelligent terminal.The present invention relates to battery boosting technology field, by detect battery current voltage and transfer voltage ratio compared with, monitoring mode is filled according to comparative result selection low-pressure direct or powder source management mode charges the battery, charged the battery in the existing grading current charging stage using constant-voltage power supply, compared with existing use grading current charges the battery, effective charging current of battery charging control device of the present invention is more than grading current, effectively reduces the charging interval, improves charge efficiency.
Description
Technical field
The present invention relates to battery boosting technology field, more particularly to a kind of battery charging control device, method and intelligence are eventually
End.
Background technology
As terminal increasingly tends to intelligent, the capacity of end cell also constantly increases, and people are to intelligent terminal
The more and more higher of battery charging rate requirement.At present, intelligent terminal battery fills technology using low-pressure direct, and low-pressure direct fills technology
Control flow is as follows：
(1) when cell voltage is less than constant current/constant voltage (CC/CV) conversion voltage, intelligent terminal keeps quick charge
Pattern, in this mode, intelligent terminal obtain maximum charging current；
(2) when cell voltage is higher than constant current/constant voltage (CC/CV) conversion voltage, intelligent terminal exits quick charge
Pattern, intelligent terminal charging current reduce in ladder, when charging current is less than lithium battery constant-voltage charge cut-off current, filled
Electric current journey terminates.
It is very big that low-pressure direct fills technology quick charge stage charging current, and each component such as charges switching on charging circuit
Certain impedance, and the internal resistance of cell be present in mouth, charging wire etc., low-pressure direct fill constant current that adapter feedback line detects/
Constant pressure (CC/CV), which is changed between voltage and the actual constant current/constant voltage of lithium battery (CC/CV) conversion voltage, has larger error；Low pressure
The straight adapter that fills estimates current battery level by the feedback circuit based on Vbus, as shown in figure 1, filling ladder into low-pressure direct
After charging, in order to ensure charging safety, the more conventional PMIC charging currents of grading current that low-pressure direct fills adapter output are small, because
This, low-pressure direct, which fills ladder charging process, can have a strong impact on that low-pressure direct fills technology entirety charging performance.
The content of the invention
In order to solve the above-mentioned technical problem, it is an object of the invention to provide one kind to improve charge efficiency battery charge control dress
Put.
In order to solve the above-mentioned technical problem, it is an object of the invention to provide one kind to improve charge efficiency battery charge control side
Method.
In order to solve the above-mentioned technical problem, it is an object of the invention to provide one kind to improve charge efficiency intelligent terminal.
The technical solution adopted in the present invention is：A kind of battery charging control device, including processor, low-pressure direct fill monitoring
Module, power management module and charge switch module, the processor fill monitoring module and the electricity with the low-pressure direct respectively
Source control module connects, and the first input end of the charge switch module is used to be connected with charging adapter, and the low-pressure direct fills
The control output end of monitoring module is connected with the second input of the charge switch module, for controlling charge switch module
Opening and closing, the output end of the charge switch module are used to be connected with the charging input end of battery, the power management module it is defeated
Go out end to be used to be connected with the charging input end of battery.
As the further improvement of such scheme, the low-pressure direct, which fills monitoring module, includes the first data input pin, described
First data input pin is used to detect battery current voltage.
As the further improvement of such scheme, the low-pressure direct fills monitoring module and fills chip, the power supply for low-pressure direct
Management module is power management chip.
As the further improvement of such scheme, the charge switch module includes triode, the first MOS transistor and the
Two MOS transistors, the control output end that the base stage of the triode fills monitoring module with the low-pressure direct are connected, the triode
Emitter stage connection power supply, the colelctor electrode of the triode drain electrode with the first MOS transistor, grid and the 2nd MOS respectively
Drain electrode, the grid connection of transistor, the grid of first MOS transistor are connected with the grid of second MOS transistor, institute
The source electrode for stating the first MOS transistor is used for the positive pole for connecting charging adapter, and the source electrode of second MOS transistor is used to connect
The charging input end of battery.
As the further improvement of such scheme, described device also includes charging inlet, and one end of the charging inlet is used
It is connected in charging adapter, the other end of the charging inlet fills input, the institute of monitoring module with the low-pressure direct respectively
The input for stating power management module connects with the first input end of the charge switch module.
A kind of battery charging control method, suitable for battery charging control device described above, including processor, low-pressure direct
Monitoring module, power management module and charge switch module are filled, methods described includes step：
S1, low-pressure direct fills monitoring module detection current battery level, if current battery level is less than conversion voltage, low-pressure direct
Fill monitoring module and open charge switch module, charging adapter is by charge switch module to constant-current charging of battery；If current electricity
Cell voltage is more than conversion voltage, keeps charging adapter to give battery constant-voltage charge by power management module, until charging terminates.
As the further improvement of such scheme, also include step before the step S1：
S0, after battery charging control device connects charging adapter, processor triggering low-pressure direct fills monitoring module closing
Charge switch module, charging adapter start to charge the battery by power management module.
As the further improvement of such scheme, the step S1 is specially：If current battery level is less than conversion voltage,
The low-pressure direct fills monitoring module and charging adapter and communicated, if detecting, charging adapter is low pressure charging adapter, low pressure
The straight monitoring module that fills opens charge switch module, and charging adapter is charged the battery by charge switch module, filled if detecting
Electric adapter is non-low pressure charging adapter, and processor restarting power management module charges the battery；If present battery is electric
Pressure is more than conversion voltage, keeps charging adapter to give battery constant-voltage charge by power management module, until charging terminates.
A kind of intelligent terminal, including battery charging control device described above.
As the further improvement of such scheme, the intelligent terminal is mobile phone or tablet personal computer.
The beneficial effects of the invention are as follows：
A kind of battery charging control device, by detecting battery current voltage with transfer voltage ratio compared with according to comparative result
Selection low-pressure direct fills monitoring mode or powder source management mode charges the battery, in the existing grading current charging stage using permanent
Current voltage charges the battery, and compared with existing use grading current charges the battery, battery charging control device of the present invention has
Effect charging current is more than grading current, effectively reduces the charging interval, improves charge efficiency.
Whether it is low pressure charging adapter by the charging adapter for detecting access, and then selects low-pressure direct to fill monitoring module
Or power management module charges the battery, avoid high-voltage charging adapter from directly charging the battery, ensure charging safety.
A kind of battery charging control method, by detecting battery current voltage with transfer voltage ratio compared with according to comparative result
Selection low-pressure direct fills monitoring mode or powder source management mode charges the battery, in the existing grading current charging stage using permanent
Current voltage charges the battery, and compared with existing use grading current charges the battery, battery charging control device of the present invention has
Effect charging current is more than grading current, effectively reduces the charging interval, improves charge efficiency.
Whether it is low pressure charging adapter by the charging adapter for detecting access, and then selects low-pressure direct to fill monitoring module
Or power management module charges the battery, avoid high-voltage charging adapter from directly charging the battery, ensure charging safety.
A kind of intelligent terminal, by detecting battery current voltage with transfer voltage ratio compared with according to comparative result selection low pressure
Directly fill monitoring mode or powder source management mode charges the battery, given in the existing grading current charging stage using constant-voltage power supply
Battery charges, compared with existing use grading current charges the battery, effective charging electricity of battery charging control device of the present invention
Stream is more than grading current, effectively reduces the charging interval, improves charge efficiency.
Whether it is low pressure charging adapter by the charging adapter for detecting access, and then selects low-pressure direct to fill monitoring module
Or power management module charges the battery, avoid high-voltage charging adapter from directly charging the battery, ensure charging safety.
Brief description of the drawings
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the charging performance comparison diagram of prior art and battery charging control device of the present invention；
Fig. 2 is a kind of structured flowchart of battery charging control device of the present invention；
Fig. 3 is a kind of battery charging control device power management module of the present invention and processor connection block diagram.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.
Fig. 1 is the charging performance comparison diagram of prior art and battery charging control device of the present invention, as shown in figure 1, existing
In technology, low-pressure direct fills the feedback circuit estimation current battery level of adapter, when cell voltage is less than constant current/constant voltage conversion electricity
During pressure, charging equipment keeps fast charge mode, and it is very big that low-pressure direct fills technology fast charge stage charging current；When cell voltage is less than
When constant current/constant voltage changes voltage, the charging current of charging device reduces in ladder, when charging current is less than lithium battery constant-voltage charge
During cut-off current, charging flow terminates.
Fig. 2 is a kind of structured flowchart of battery charging control device of the present invention, and Fig. 3 is a kind of battery charge control of the present invention
Installation's power source management module and processor connection block diagram, with reference to Fig. 2 and Fig. 3, a kind of battery charging control device, including place
Reason device, low-pressure direct fill monitoring module, power management module (PMIC) and charge switch module, and in the present embodiment, low-pressure direct fills prison
Control module fills chip using low-pressure direct, and low-pressure direct fills chip and uses WP502x family chips.Power management module uses power supply pipe
Chip (i.e. PMIC) is managed, power management chip can be BQ25890 chips, or SMB135X family chips etc..
Monitoring module is filled with low-pressure direct respectively for processor and power management module is connected, and reference picture 1, low-pressure direct fills monitoring mould
Block, which is used to monitor, provides constant current (CC) charging current that low-pressure direct fills the fast charge stage, and power management module is used to provide conventional PMIC
Constant pressure (CV) charging current of charging stage, specifically, reference picture 2 and Fig. 3, it is defeated including the first data that low-pressure direct fills monitoring module
Enter to hold ID, control output end Driver, positive pole data terminal D+, negative pole data terminal D- and middle broken ends of fractured bone IRQ, battery includes positive pole BAT+
(i.e. charging input end), the ID of data and negative pole BAT-.Processor includes input/output terminal GPIO, the input/output terminal of processor
The middle broken ends of fractured bone IRQ that GPIO fills chip with low-pressure direct is connected, and for controlling low-pressure direct to fill the opening and closing of chip, processor passes through
Bus is connected with power management module, and power management module includes system voltage end VSys, voltage bus end Vbus, the first data
Input ID, the second data terminal DP and the 3rd data terminal DM, the system voltage end VSys of power management module are connected with processor,
For providing working power to processor.The first input end of charge switch module (does not show for connecting charging adapter in figure
Go out), low-pressure direct fills the control output end Driver of monitoring module and is connected with the second input of charge switch module, for controlling
The opening and closing of charge switch module, low-pressure direct fill the first data input pin ID and battery of monitoring module data terminal ID connections, use
In detection battery current voltage, the output end of charge switch module and the positive pole BAT+ connections of battery, power management module it is defeated
Go out to hold the positive pole BAT+ connections of VBat and battery.
Specifically, the battery charging control device includes charging inlet, in the present embodiment, by taking USB interface as an example, USB connects
One end of mouth is used to connect charging adapter, and USB interface includes positive pole data terminal D+, negative pole data terminal D-, cathode voltage end V+
With earth terminal GND, the other end of USB interface fills the input of the input, power management module of monitoring module with low-pressure direct respectively
End connects with the first input end of charge switch module.Positive pole data terminal D+, negative pole data terminal D- and the low-pressure direct of USB interface fill
Positive pole data terminal D+, the negative pole data terminal D- of monitoring module are corresponding to be connected, low-pressure direct fill monitoring module by positive pole data terminal D+,
Negative pole data terminal D- and access USB interface charging adapter communicate, the numbers of the second data terminal DP of power management module and the 3rd
According to end DM connections corresponding with positive pole data terminal D+, the negative pole data terminal D- of USB interface respectively, the voltage bus of power management module
Hold the cathode voltage end V+ connections of Vbus and USB interface.
Specifically, in the present embodiment, charge switch module includes triode Q1, the first MOS transistor M1 and the 2nd MOS is brilliant
Body pipe M2, triode Q1 base stage are connected with the control output end Driver of the straight mold filling block of voltage, and triode Q1 emitter stage connects
With connecing power supply, the leakage of the colelctor electrode of the triode drain electrode with the first MOS transistor M1, grid and the second MOS transistor M2 respectively
Pole, grid connection, the positive polarity V+ of the first MOS transistor M1 source electrode connection USB fabric, the second MOS transistor M2 source
Pole connects the positive pole BAT+ of battery.
The battery charging control device of the present embodiment, by detect battery current voltage and transfer voltage ratio compared with, according to than
Relatively result selection low-pressure direct fills monitoring mode or powder source management mode charges the battery, in the existing grading current charging stage
Charged the battery using constant-voltage power supply, compared with existing use grading current charges the battery, battery charge control dress of the present invention
The effective charging current put is more than grading current, effectively reduces the charging interval, improves charge efficiency.
Whether it is low pressure charging adapter by the charging adapter for detecting access, and then selects low-pressure direct to fill monitoring module
Or power management module charges the battery, avoid high-voltage charging adapter from directly charging the battery, ensure charging safety.
Based on above-mentioned battery charging control device, the embodiment of the present invention provides a kind of battery charging control method, including
Processor, low-pressure direct fill monitoring module, power management module and charge switch module, and the method comprising the steps of：
S1, low-pressure direct fill monitoring module detection current battery level, if current battery level is less than conversion voltage, conversion electricity
Press as predetermined voltage, can be according to being actually needed or battery capacity characteristic is preset, low-pressure direct fills monitoring module unlatching
Charge switch module, charging adapter are charged the battery by charge switch module, if current battery level is less than conversion voltage,
Low-pressure direct fills monitoring module and opens charge switch module, and charging adapter is charged the battery by charge switch module, if currently
Cell voltage is more than conversion voltage, keeps charging adapter to be charged the battery by power management module, until charging terminates.
As the further improvement of above method embodiment, step is also included before step S1：S0, controlled when battery charges
After device connection charging adapter processed, processor triggering low-pressure direct fills monitoring module charge closing switch module, charging adapter
Start to charge the battery by power management module.
Step S1 is specially：If current battery level is less than conversion voltage, it is suitable with charging that the low-pressure direct fills monitoring module
Orchestration communicates, if detecting, charging adapter is low pressure charging adapter, and low-pressure direct fills monitoring module and opens charge switch module,
Charging adapter is charged the battery by charge switch module, if detecting, charging adapter is non-low pressure charging adapter, place
Reason is thought highly of new startup power supply management module and charged the battery；If current battery level is more than conversion voltage, charging adapter is kept
Battery constant-voltage charge is given by power management module, until charging terminates.High-voltage charging adapter is avoided directly to charge the battery,
Battery is damaged, the safety that charged to battery, which improves, to be ensured.
As the improvement of above method embodiment, when battery charging control device connects charging adapter, adaptive charging
Device provides working power by power management module to processor, when battery charging control device is not connected with charging adapter,
Battery provides working power by power management module to processor.
The battery charging control method of the present embodiment, by detect battery current voltage and transfer voltage ratio compared with, according to than
Relatively result selection low-pressure direct fills monitoring mode or powder source management mode charges the battery, in the existing grading current charging stage
Charged the battery using constant-voltage power supply, compared with existing use grading current charges the battery, battery charge control dress of the present invention
The effective charging current put is more than grading current, effectively reduces the charging interval, improves charge efficiency.
Whether it is low pressure charging adapter by the charging adapter for detecting access, and then selects low-pressure direct to fill monitoring module
Or power management module charges the battery, avoid high-voltage charging adapter from directly charging the battery, ensure charging safety.
The embodiment of the present invention also provides a kind of intelligent terminal, including battery charging control device described above.The present embodiment
In, intelligent terminal can be mobile phone or tablet personal computer etc..By detect battery current voltage and transfer voltage ratio compared with, according to than
Relatively result selection low-pressure direct fills monitoring mode or powder source management mode charges the battery, in the existing grading current charging stage
Charged the battery using constant-voltage power supply, compared with existing use grading current charges the battery, battery charge control dress of the present invention
The effective charging current put is more than grading current, effectively reduces the charging interval, improves charge efficiency.
Whether it is low pressure charging adapter by the charging adapter for detecting access, and then selects low-pressure direct to fill monitoring module
Or power management module charges the battery, avoid high-voltage charging adapter from directly charging the battery, ensure charging safety.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of battery charging control device, it is characterised in that it includes processor, low-pressure direct fills monitoring module, power management
Module and charge switch module, the processor fills monitoring module with the low-pressure direct respectively and the power management module connects
Connect, the first input end of the charge switch module is used to connect charging adapter, and the low-pressure direct fills the control of monitoring module
Output end is connected with the second input of the charge switch module, for controlling the opening and closing of charge switch module, the charging
The output end of switch module is used to be connected with the positive pole of battery, and the output end of the power management module is used for the charging with battery
Input connects.
2. a kind of battery charging control device according to claim 1, it is characterised in that the low-pressure direct fills monitoring module
Including the first data input pin, first data input pin is used to detect battery current voltage.
3. a kind of battery charging control device according to claim 1 or 2, it is characterised in that the low-pressure direct fills monitoring
Module is that low-pressure direct fills chip, and the power management module is power management chip.
4. a kind of battery charging control device according to claim 3, it is characterised in that the charge switch module includes
Triode, the first MOS transistor and the second MOS transistor, the base stage of the triode fill monitoring module with the low-pressure direct
Control output end connects, the emitter stage connection power supply of the triode, the colelctor electrode of the triode is brilliant with the first MOS respectively
The drain electrode of body pipe, the drain electrode of grid and the second MOS transistor, grid connection, the grid of first MOS transistor and described the
The grid connection of two MOS transistors, the source electrode of first MOS transistor are used for the positive pole for connecting charging adapter, and described the
The source electrode of two MOS transistors is used for the charging input end for connecting battery.
5. a kind of battery charging control device according to claim 4, it is characterised in that described device also includes charging
Mouthful, one end of the charging inlet is used to be connected with charging adapter, the other end of the charging inlet respectively with the low pressure
The straight first input end for filling the input of monitoring module, the input of the power management module and the charge switch module connects
Connect.
6. a kind of battery charging control method, it is characterised in that filled suitable for the battery as described in any one of claim 1 to 5
Controller for electric consumption, including processor, low-pressure direct fill monitoring module, power management module and charge switch module, methods described bag
Include step：
S1, low-pressure direct fills monitoring module detection current battery level, if current battery level is less than conversion voltage, low-pressure direct fills prison
Control module and open charge switch module, charging adapter is by charge switch module to constant-current charging of battery；If present battery is electric
Pressure is more than conversion voltage, keeps charging adapter to give battery constant-voltage charge by power management module, until charging terminates.
7. a kind of battery charging control method according to claim 6, it is characterised in that also include before the step S1
Step：
S0, after battery charging control device connects charging adapter, processor triggering low-pressure direct fills monitoring module charge closing
Switch module, charging adapter start to charge the battery by power management module.
8. a kind of battery charging control method according to claim 7, it is characterised in that the step S1 is specially：If
Current battery level is less than conversion voltage, and the low-pressure direct fills monitoring module and communicated with charging adapter, if detecting, charging is suitable
Orchestration is low pressure charging adapter, and low-pressure direct fills monitoring module and opens charge switch module, and charging adapter passes through charge switch
Module charges the battery, if detecting, charging adapter is non-low pressure charging adapter, and processor restarts power management mould
Block charges the battery；If current battery level is more than conversion voltage, keep charging adapter by power management module to battery
Constant-voltage charge, until charging terminates.
9. a kind of intelligent terminal, it is characterised in that it includes the battery charge control dress as described in any one of claim 1 to 5
Put.
10. a kind of intelligent terminal according to claim 9, it is characterised in that the intelligent terminal is mobile phone or flat board electricity
Brain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881118.3A CN107612072A (en) | 2017-09-26 | 2017-09-26 | A kind of battery charging control device, method and intelligent terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881118.3A CN107612072A (en) | 2017-09-26 | 2017-09-26 | A kind of battery charging control device, method and intelligent terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107612072A true CN107612072A (en) | 2018-01-19 |
Family
ID=61058580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710881118.3A Pending CN107612072A (en) | 2017-09-26 | 2017-09-26 | A kind of battery charging control device, method and intelligent terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107612072A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847699A (en) * | 2018-07-03 | 2018-11-20 | 北京小米移动软件有限公司 | Charging method and electronic equipment |
| CN110071542A (en) * | 2019-04-10 | 2019-07-30 | 努比亚技术有限公司 | A kind of charging circuit, charging method and terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779907A (en) * | 2014-01-28 | 2014-05-07 | 广东欧珀移动通信有限公司 | Terminal and battery charging control device and method |
| CN104993565A (en) * | 2015-08-05 | 2015-10-21 | 青岛海信移动通信技术股份有限公司 | Power supply adapter capable of charging directly |
| US20170040812A1 (en) * | 2015-08-05 | 2017-02-09 | Hisense Mobile Communications Technology Co., Ltd. | Mobile terminal, dc-charging power source adaptor, and charging method |
-
2017
- 2017-09-26 CN CN201710881118.3A patent/CN107612072A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779907A (en) * | 2014-01-28 | 2014-05-07 | 广东欧珀移动通信有限公司 | Terminal and battery charging control device and method |
| CN104993565A (en) * | 2015-08-05 | 2015-10-21 | 青岛海信移动通信技术股份有限公司 | Power supply adapter capable of charging directly |
| US20170040812A1 (en) * | 2015-08-05 | 2017-02-09 | Hisense Mobile Communications Technology Co., Ltd. | Mobile terminal, dc-charging power source adaptor, and charging method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847699A (en) * | 2018-07-03 | 2018-11-20 | 北京小米移动软件有限公司 | Charging method and electronic equipment |
| CN108847699B (en) * | 2018-07-03 | 2020-11-20 | 北京小米移动软件有限公司 | Charging method and electronic device |
| US11159037B2 (en) | 2018-07-03 | 2021-10-26 | Beijing Xiaomi Mobile Software Co., Ltd. | Charging method and electronic device |
| CN110071542A (en) * | 2019-04-10 | 2019-07-30 | 努比亚技术有限公司 | A kind of charging circuit, charging method and terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201813422U (en) | Charging chip and mobile terminal capable of automatically adjusting charging mode | |
| CN104810909B (en) | Control method for quickly charging and system | |
| CN103247833B (en) | Method and apparatus for charging to battery | |
| CN107643998B (en) | System for realizing OTG and charging dual functions based on intelligent module | |
| CN104505890B (en) | Mobile terminal | |
| CN104753093B (en) | Charger and charging control method | |
| WO2018127105A1 (en) | Charging and mutual charging apparatus for combined intelligent devices, and charging method | |
| CN106207296A (en) | Charging method | |
| WO2022213767A1 (en) | Charging apparatus, electronic device, and charging method | |
| EP4329141A1 (en) | Multi-battery power supply, charging/discharging method, and electronic device | |
| US11539226B2 (en) | Charging circuit and electronic device | |
| CN206547012U (en) | Charging circuit and electronic equipment | |
| CN107612072A (en) | A kind of battery charging control device, method and intelligent terminal | |
| CN105811493A (en) | Power source circuit, power source circuit discharging method, power source circuit charging method and controller | |
| CN104795864B (en) | A kind of mobile terminal and charged state detection method of accurate detection charged state | |
| CN106549458B (en) | Battery charger and charging method | |
| CN111277025B (en) | Charging method and charging system for parallel batteries | |
| CN103633719B (en) | A kind of charging system and charge control method thereof | |
| CN110492576A (en) | Control device, method and the electronic equipment of charge port temperature | |
| CN104124718B (en) | Electric supply installation and method of supplying power to | |
| CN208738892U (en) | A kind of lithium battery charging management circuit | |
| CN203800645U (en) | Charging Po | |
| CN106230061A (en) | Charging method and charger | |
| CN106877455A (en) | The charging method of mobile terminal, the charging circuit of mobile terminal and mobile terminal | |
| TWI598730B (en) | Power supplying device and power supplying method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |