CN107834640B - Charging method and terminal - Google Patents
Charging method and terminal Download PDFInfo
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- CN107834640B CN107834640B CN201711120714.6A CN201711120714A CN107834640B CN 107834640 B CN107834640 B CN 107834640B CN 201711120714 A CN201711120714 A CN 201711120714A CN 107834640 B CN107834640 B CN 107834640B
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- 238000007600 charging Methods 0.000 title claims abstract description 631
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- 238000010277 constant-current charging Methods 0.000 claims abstract description 126
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- 238000010280 constant potential charging Methods 0.000 description 34
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- H02J7/0077—
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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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or 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
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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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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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
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- Y02E60/10—Energy storage using batteries
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Abstract
The invention provides a charging method and a terminal. The method comprises the following steps: the first charging integrated circuit IC is controlled to charge the rechargeable battery at a constant current by using the first charging current, and the second charging IC is controlled to charge the rechargeable battery at a constant current by using the second charging current; after the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, judging whether the current value of the total current formed by the charging current of the first charging IC and the charging current of the second charging IC is larger than a preset threshold value or not; and if the current value of the total current is larger than the preset threshold value, reducing the first charging current to a third charging current, controlling the first charging IC to perform constant current charging on the rechargeable battery by using the third charging current, and controlling the second charging IC to perform constant current charging on the rechargeable battery. The method of the embodiment of the invention prolongs the duration time of the constant current charging stage and reduces the total time required by charging completion.
Description
Technical Field
The present invention relates to the field of charging technologies, and in particular, to a charging method and a terminal.
Background
In the prior art, when a rechargeable battery is charged by using a dual Integrated Circuit (IC), the same Cut-off voltage (CV) is set for two ICs, and then the charging currents of the two ICs are set. In the constant current charging stage, the two ICs respectively charge the rechargeable battery by using preset charging currents. During the charging process, the voltage of the rechargeable battery will continuously rise, and then the constant voltage charging stage will be entered. During the constant voltage charging period, the charging current is gradually reduced until the charging is completed.
For this charging method, the charging current in the constant current charging stage is large, so that the constant current charging stage is quickly switched to the constant voltage charging stage. The shorter the duration of the constant current charging phase, the longer the total time required for charging to be completed. Therefore, in the prior art, the time required for completion of charging is long.
Disclosure of Invention
The embodiment of the invention provides a charging method and a terminal. The problem that in the prior art, the charging completion time is long is solved.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a charging method, which is applied to a terminal, where the terminal includes a rechargeable battery, and the method includes:
controlling a first charging Integrated Circuit (IC) to perform constant current charging on the rechargeable battery by using a first charging current, and controlling a second charging IC to perform constant current charging on the rechargeable battery by using a second charging current, wherein the cut-off voltage of the first charging IC is higher than the cut-off voltage of the rechargeable battery, and the cut-off voltage of the second charging IC is equal to the cut-off voltage of the rechargeable battery;
after the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, judging whether the current value of the total current formed by the charging current of the first charging IC and the charging current of the second charging IC is larger than a preset threshold value or not;
and if the current value of the total current is greater than the preset threshold value, reducing the first charging current to a third charging current, controlling the first charging IC to perform constant current charging on the rechargeable battery by using the third charging current, and controlling the second charging IC to perform constant current charging on the rechargeable battery.
In a second aspect, an embodiment of the present invention further provides a terminal, where the terminal includes a rechargeable battery, and includes:
the first constant current charging module is used for controlling a first charging integrated circuit IC to perform constant current charging on the rechargeable battery by using a first charging current and controlling a second charging IC to perform constant current charging on the rechargeable battery by using a second charging current, wherein the cut-off voltage of the first charging IC is higher than the cut-off voltage of the rechargeable battery, and the cut-off voltage of the second charging IC is equal to the cut-off voltage of the rechargeable battery;
the first judgment module is used for judging whether the current value of the total current formed by the charging current of the first charging IC and the charging current of the second charging IC is larger than a preset threshold value or not after the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery;
and the second constant current charging module is used for reducing the first charging current to a third charging current if the current value of the total current is greater than the preset threshold, controlling the first charging IC to perform constant current charging on the rechargeable battery by using the third charging current, and controlling the second charging IC to perform constant current charging on the rechargeable battery.
In a third aspect, an embodiment of the present invention further provides a terminal, which includes a processor, a memory, and a computer program stored on the memory and operable on the processor, where the computer program, when executed by the processor, implements the steps of the charging method.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the charging method are implemented.
In this way, in the embodiment of the present invention, the first charging integrated circuit IC is controlled to perform constant current charging on the rechargeable battery with a first charging current, and the second charging IC is controlled to perform constant current charging on the rechargeable battery with a second charging current, where an off-voltage of the first charging IC is higher than an off-voltage of the rechargeable battery, and the off-voltage of the second charging IC is equal to the off-voltage of the rechargeable battery; after the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, judging whether the current value of the total current formed by the charging current of the first charging IC and the charging current of the second charging IC is larger than a preset threshold value or not; and if the current value of the total current is greater than the preset threshold value, reducing the first charging current to a third charging current, controlling the first charging IC to perform constant current charging on the rechargeable battery by using the third charging current, and controlling the second charging IC to perform constant current charging on the rechargeable battery. Thus, when the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, the second charging IC enters a constant voltage charging phase. Since the cutoff voltage of the first charging IC is higher than the cutoff voltage of the rechargeable battery, the first charging IC is still in the constant current charging phase. The constant-current charging time of the first charging IC is prolonged, and the total charging time is reduced. After the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, if the terminal judges that the current value of the total current is larger than the preset threshold value, the second charging IC can still perform constant current charging on the rechargeable battery. Therefore, compared with the prior art, the invention prolongs the duration of the constant-current charging stage, reduces the total time required by charging completion and improves the charging efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a flowchart of a charging method according to an embodiment of the present invention;
fig. 2 is a flowchart of another charging method provided in the embodiment of the present invention;
fig. 3 is a structural diagram of a terminal according to an embodiment of the present invention;
fig. 4 is a block diagram of another terminal provided in an embodiment of the present invention;
fig. 5 is a block diagram of another terminal provided in an embodiment of the present invention;
fig. 6 is a block diagram of another terminal provided in an embodiment of the present invention;
fig. 7 is a block diagram of another terminal according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a flowchart of a charging method according to an embodiment of the present invention, which is applied to a terminal, where the terminal includes a rechargeable battery. As shown in fig. 1, the method comprises the following steps:
After the terminal detects that the connection with the charger is established, the type of the charger can be judged. The dual IC charging mode may be used when the terminal determines that the charger is a high voltage charger.
In step 101, a cutoff voltage of the first charging IC and a first charging current of the first charging IC may be set in advance. The cutoff voltage of the first charging IC may be higher than a cutoff voltage of the rechargeable Battery, and the cutoff voltage of the first charging IC may be lower than a maximum withstand voltage (Vbat) of a Power Management Integrated Circuit (PMIC) Battery voltage. The first charging current may be set to a maximum value, which may be around 3 amps.
Since the cutoff voltage of the first charging IC is higher than the cutoff voltage of the rechargeable battery, the first charging IC does not suffer from charge cutoff, i.e., the first charging IC does not enter the constant-voltage charging phase. That is, the above manner can ensure that the first charging IC is always in the constant current charging phase. Meanwhile, in the embodiment of the present invention, the cut-off voltage of the second charging IC, the second charging current of the second charging IC, and the cut-off current of the second charging IC may be preset. Wherein the cutoff voltage of the second charging IC may be equal to the cutoff voltage of the rechargeable battery. For terminals containing lithium batteries, the cutoff current of the second charging IC may be 256 milliamps and the cutoff voltage of the rechargeable battery may be 4.2 volts, i.e., the cutoff voltage of the lithium battery may be 4.2 volts.
The terminal can control the first charging IC to charge the rechargeable battery with the first charging current at a constant current, and can control the second charging IC to charge the rechargeable battery with the second charging current at a constant current. In the process of constant current charging, the voltage of the rechargeable battery is continuously increased. When the voltage of the rechargeable battery reaches the cutoff voltage of the rechargeable battery, the first charging IC is still in the constant current charging phase because the cutoff voltage of the first charging IC is higher than the cutoff voltage of the rechargeable battery. Since the cutoff voltage of the second charging IC is equal to the cutoff voltage of the rechargeable battery, the second charging IC enters a constant voltage charging phase, i.e., a constant voltage charging mode.
In step 102, after the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, i.e., after the second charging IC enters the constant voltage charging mode, the charging current of the second charging IC is continuously decreased. The terminal may detect a current value of a total current composed of a charging current actually flowing into the first charging IC and a charging current of the second charging IC of the rechargeable battery, and may determine whether the current value of the total current is greater than a preset threshold value. The preset threshold may be set at 1.5 amps.
It should be noted that the rechargeable battery may include a battery cell and a resistor. When the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, i.e., when the voltage of the rechargeable battery reaches 4.2 volts, the internal resistance of the rechargeable battery shares a portion of the voltage, for example, a voltage of 0.1 volts may be shared. Therefore, the voltage of the cell inside the rechargeable battery is 4.1 volts at this time, and the cell is not fully charged. After the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, the voltage of the rechargeable battery can be maintained to be 4.2 volts, and the voltage of the battery cell inside the rechargeable battery can slowly rise.
And 103, if the current value of the total current is greater than the preset threshold value, reducing the first charging current to a third charging current, controlling the first charging IC to perform constant current charging on the rechargeable battery by using the third charging current, and controlling the second charging IC to perform constant current charging on the rechargeable battery.
In step 103, if the terminal determines that the current value of the total current is greater than the preset threshold, that is, if the terminal determines that the current value of the total current is greater than 1.5 amperes, the charging current of the first charging IC may be reduced from the first charging current to the third charging current. The first charging current and the third charging current may differ by 500 milliamps. The current value of the total current is larger than the preset threshold value, which indicates that the voltage of the electric core in the rechargeable battery is still low at the moment, and the rechargeable battery can still be charged with a constant current by a large current. Therefore, the first charging IC and the second charging IC can still perform constant current charging for the rechargeable battery.
Since the charging current of the first charging IC is reduced by 500 ma, the total current actually flowing into the rechargeable battery at this time is also reduced by 500 ma. At this time, the voltage across the resistor inside the rechargeable battery decreases, and therefore the voltage of the rechargeable battery may also decrease, i.e., the voltage of the rechargeable battery may decrease below the cutoff voltage of the rechargeable battery.
The off-voltage of the second charging IC, the second charging current of the second charging IC, and the off-current of the second charging IC may be reset. The reset cutoff voltage of the second charging IC may still be equal to the cutoff voltage of the rechargeable battery; the reset second charging current of the second charging IC may still be the initially set second charging current; the reset cutoff current of the second charging IC may still be the originally set cutoff current, i.e., 256 milliamps.
Since the cutoff voltage of the reset second charging IC is equal to the cutoff voltage of the rechargeable battery, the cutoff voltage of the second charging IC is higher than the actual voltage of the rechargeable battery at this time, so the second charging IC can resume the constant current charging phase to continue charging the rechargeable battery. The second charging IC may be controlled to perform the constant current charging of the rechargeable battery again at the second charging current. The cut-off voltage of the first charging IC is higher than the cut-off voltage of the rechargeable battery, so that the first charging IC is still in the constant current charging stage, and the first charging IC can be controlled to perform constant current charging on the rechargeable battery by using the third charging current.
In an embodiment of the present invention, the terminal may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device), or the like.
The charging method provided by the embodiment of the invention is applied to a terminal, and the terminal comprises a rechargeable battery. Controlling a first charging Integrated Circuit (IC) to perform constant current charging on the rechargeable battery by using a first charging current, and controlling a second charging IC to perform constant current charging on the rechargeable battery by using a second charging current, wherein the cut-off voltage of the first charging IC is higher than the cut-off voltage of the rechargeable battery, and the cut-off voltage of the second charging IC is equal to the cut-off voltage of the rechargeable battery; after the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, judging whether the current value of the total current formed by the charging current of the first charging IC and the charging current of the second charging IC is larger than a preset threshold value or not; and if the current value of the total current is greater than the preset threshold value, reducing the first charging current to a third charging current, controlling the first charging IC to perform constant current charging on the rechargeable battery by using the third charging current, and controlling the second charging IC to perform constant current charging on the rechargeable battery. In this way, when the voltage of the rechargeable battery reaches the cutoff voltage of the rechargeable battery, the first charging IC is still in the constant current charging phase because the cutoff voltage of the first charging IC is higher than the cutoff voltage of the rechargeable battery. The constant-current charging time of the first charging IC is prolonged, and the total charging time is reduced. After the second charging IC enters the constant voltage charging stage, if the terminal judges that the current value of the total current is greater than the preset threshold value, the second charging IC can still perform constant current charging on the rechargeable battery. Therefore, compared with the prior art, the invention prolongs the duration of the constant-current charging stage, reduces the total time required by charging completion and improves the charging efficiency.
Referring to fig. 2, fig. 2 is a flowchart of another charging method provided by an embodiment of the present invention, and the charging method is applied to a terminal, where the terminal includes a rechargeable battery. The main difference between this embodiment and the previous embodiment is that the second charging IC enters the constant voltage charging mode, and the current value of the total current is determined whether to be greater than the predetermined threshold value after the charging current of the second charging IC is reduced to the off-state current of the second charging IC. As shown in fig. 2, the method comprises the following steps:
In step 201, a cutoff voltage of the first charging IC and a first charging current of the first charging IC may be set in advance. The cutoff voltage of the first charging IC may be higher than the cutoff voltage of the rechargeable battery, and the cutoff voltage of the first charging IC may be lower than the maximum withstand voltage value of the PMIC Vbat. The first charging current may be set to a maximum value, which may be around 3 amps. Since the cutoff voltage of the first charging IC is higher than the cutoff voltage of the rechargeable battery, the first charging IC does not suffer from charge cutoff, i.e., the first charging IC does not enter the constant-voltage charging phase. That is, the above manner can ensure that the first charging IC is always in the constant current charging phase. Meanwhile, in the embodiment of the present invention, the cut-off voltage of the second charging IC, the second charging current of the second charging IC, and the cut-off current of the second charging IC may be preset. Wherein the cutoff voltage of the second charging IC may be equal to the cutoff voltage of the rechargeable battery. For terminals containing lithium batteries, the cutoff current of the second charging IC may be 256 milliamps and the cutoff voltage of the rechargeable battery may be 4.2 volts, i.e., the cutoff voltage of the lithium battery may be 4.2 volts.
The terminal can control the first charging IC to perform constant current charging on the rechargeable battery by using the first charging current, and control the second charging IC to perform constant current charging on the rechargeable battery by using the second charging current. In the process of constant current charging, the voltage of the rechargeable battery is continuously increased. When the voltage of the rechargeable battery reaches the cutoff voltage of the rechargeable battery, the first charging IC is still in the constant current charging phase because the cutoff voltage of the first charging IC is higher than the cutoff voltage of the rechargeable battery. Since the cutoff voltage of the second charging IC is equal to the cutoff voltage of the rechargeable battery, the second charging IC enters a constant voltage charging phase, i.e., a constant voltage charging mode.
In step 202, the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, i.e., the charging current of the second charging IC is continuously decreased after the second charging IC enters the constant voltage charging mode. When the charging current of the second charging IC decreases to the off-current of the second charging IC, that is, when the charging current of the second charging IC decreases to 256 ma, the second charging IC may report a notification message to the terminal. After receiving the notification message reported by the second charging IC, the terminal may detect a current value of a total current composed of a charging current of the first charging IC and a charging current of the second charging IC, which actually flow into the rechargeable battery at this time, and may determine whether the current value of the total current is greater than a preset threshold. The preset threshold may be set at 1.5 amps.
It should be noted that, after the second charging IC enters the constant voltage charging mode, the charging current of the second charging IC is continuously decreased. During a period of time beginning to decrease, the charging current of the second charging IC is still large, and the charging efficiency is still high. Therefore, the second charging IC can be maintained in the constant-voltage charging mode for a while without immediately restoring the second charging IC to the constant-current charging mode, i.e., without setting the off-current to be excessively large. If the off current is set too small, the duration of the second charging IC in the constant voltage charging mode is long, the total charging time is still long, and the charging efficiency is still low. Therefore, the off current can be set to about 256 milliamperes, and the improvement of the charging efficiency can be ensured.
In the related art, both the cutoff voltage of the first charging IC and the cutoff voltage of the second charging IC are the cutoff voltages of the rechargeable battery. When charging is started, the first charging IC and the second charging IC are both in a constant current charging stage. When the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, the first charging IC and the second charging IC both enter a constant voltage charging stage until the rechargeable battery is fully charged.
In the invention, when charging is started, the first charging IC and the second charging IC can both be in a constant current charging stage. When the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, the second charging IC enters a constant voltage charging stage. Since the cutoff voltage of the first charging IC is higher than the cutoff voltage of the rechargeable battery, the first charging IC is still in the constant current charging phase. After the second charging IC enters the constant voltage charging stage, if the terminal determines that the current value of the total current is greater than the preset threshold, the charging current of the first charging IC may be reduced from the first charging current to a third charging current, and the first charging IC is controlled to perform constant current charging with the third charging current as the rechargeable battery. The second charging IC may also return to the constant current charging phase.
Compared with the prior art, the first charging IC can be always in the constant-current charging stage, and the first charging IC cannot enter the constant-voltage charging stage. After the second charging IC enters the constant-voltage charging stage from the initial constant-current charging stage, the second charging IC is not always in the constant-voltage charging stage, and the constant-current charging stage can be recovered. Therefore, compared with the prior art, the method prolongs the duration of the constant-current charging stage, reduces the total time required by charging completion, and improves the charging efficiency.
It should be noted that the rechargeable battery may include a battery cell and a resistor. When the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, i.e., when the voltage of the rechargeable battery reaches 4.2 volts, the internal resistance of the rechargeable battery shares a portion of the voltage, for example, a voltage of 0.1 volts may be shared. Therefore, the voltage of the cell inside the rechargeable battery is 4.1 volts at this time, and the cell is not fully charged. After the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, the voltage of the rechargeable battery can be maintained to be 4.2 volts, and the voltage of the battery cell inside the rechargeable battery can slowly rise.
And 203, if the current value of the total current is greater than the preset threshold value, reducing the first charging current to a third charging current, controlling the first charging IC to perform constant current charging on the rechargeable battery by using the third charging current, and controlling the second charging IC to perform constant current charging on the rechargeable battery.
In step 203, if the terminal determines that the current value of the total current is greater than the preset threshold, that is, if the terminal determines that the current value of the total current is greater than 1.5 amperes, the charging current of the first charging IC may be reduced from the first charging current to the third charging current. The first charging current and the third charging current may differ by 500 milliamps. The current value of the total current is larger than the preset threshold value, which indicates that the voltage of the electric core in the rechargeable battery is still low at the moment, and the rechargeable battery can still be charged with a constant current by a large current. Therefore, the first charging IC and the second charging IC can still perform constant current charging for the rechargeable battery.
Since the charging current of the first charging IC is reduced by 500 ma, the total current actually flowing into the rechargeable battery at this time is also reduced by 500 ma. At this time, the voltage across the resistor inside the rechargeable battery decreases, and therefore the voltage of the rechargeable battery may also decrease, i.e., the voltage of the rechargeable battery may decrease below the cutoff voltage of the rechargeable battery.
The off-voltage of the second charging IC, the second charging current of the second charging IC, and the off-current of the second charging IC may be reset. The reset cutoff voltage of the second charging IC may still be equal to the cutoff voltage of the rechargeable battery; the reset second charging current of the second charging IC may still be the initially set second charging current; the reset cutoff current of the second charging IC may still be the originally set cutoff current, i.e., 256 milliamps.
Since the cutoff voltage of the reset second charging IC is equal to the cutoff voltage of the rechargeable battery, the cutoff voltage of the second charging IC is higher than the actual voltage of the rechargeable battery at this time, so the second charging IC can resume the constant current charging phase to continue charging the rechargeable battery. The second charging IC may be controlled to perform the constant current charging of the rechargeable battery again at the second charging current. The cut-off voltage of the first charging IC is higher than the cut-off voltage of the rechargeable battery, so that the first charging IC is still in the constant current charging stage, and the first charging IC can be controlled to perform constant current charging on the rechargeable battery by using the third charging current.
And 204, if the current value of the total current is smaller than or equal to the preset threshold, setting the cut-off voltage of the first charging IC as the cut-off voltage of the rechargeable battery, and sending charging termination information to the second charging IC, so that the second charging IC stops charging according to the charging termination information.
In step 204, as described above, after the cutoff voltage of the second charging IC, the second charging current of the second charging IC, and the cutoff current of the second charging IC are reset, the second charging IC may be controlled to perform constant current charging on the rechargeable battery again at the second charging current, and the first charging IC may be controlled to perform constant current charging on the rechargeable battery at the third charging current.
And controlling the second charging IC to perform constant current charging on the rechargeable battery by taking the second charging current as the rechargeable battery again, and controlling the voltage of the rechargeable battery to be continuously increased in the process of performing constant current charging on the rechargeable battery by taking the third charging current as the rechargeable battery by the first charging IC. When the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery again, the first charging IC is still in the constant current charging stage because the cut-off voltage of the first charging IC is higher than the cut-off voltage of the rechargeable battery, that is, the first charging IC can still perform constant current charging on the rechargeable battery with the third charging current. Since the cutoff voltage of the second charging IC is equal to the cutoff voltage of the rechargeable battery, the second charging IC enters the constant voltage charging phase, i.e., the constant voltage charging mode, again.
After the second charging IC enters the constant voltage charging mode again, the charging current of the second charging IC is continuously decreased. When the charging current of the second charging IC is again reduced to the off-current, that is, when the charging current of the second charging IC is again reduced to 256 ma, the second charging IC may report a notification message to the terminal. After receiving the notification message reported by the second charging IC, the terminal may detect again a current value of a total current composed of the charging current of the first charging IC and the charging current of the second charging IC, which actually flows into the rechargeable battery at this time, and may determine whether the current value of the total current is greater than a preset threshold. The preset threshold may be set at 1.5 amps.
If the terminal determines that the current value of the total current is less than or equal to the preset threshold, that is, if the terminal determines that the current value of the total current is less than or equal to 1.5 amperes, the cutoff voltage of the first charging IC may be set to the cutoff voltage of the rechargeable battery, and the charging termination information may be transmitted to the second charging IC, so that the second charging IC stops charging according to the charging termination information.
Optionally, before the step of presetting the first charging current, the second charging current, the cutoff current of the second charging IC, the cutoff voltage of the first charging IC, and the cutoff voltage of the second charging IC, the method further includes:
if the charger is connected with the charger, judging whether the charger is a high-voltage charger or not;
and if the charger is the high-voltage charger, executing the step of presetting the first charging current, the second charging current, the cutoff current of the second charging IC, the cutoff voltage of the first charging IC and the cutoff voltage of the second charging IC.
After the terminal detects that the connection with the charger is established, the type of the charger can be judged. The dual IC charging mode may be used when the terminal determines that the charger is a high voltage charger.
Optionally, before the step of controlling the first charging integrated circuit IC to perform constant current charging on the rechargeable battery with the first charging current and controlling the second charging IC to perform constant current charging on the rechargeable battery with the second charging current, the method further includes:
the first charging current, the second charging current, the off-current of the second charging IC, the off-voltage of the first charging IC, and the off-voltage of the second charging IC are set in advance.
Before charging the rechargeable battery, a cutoff voltage of the first charging IC and a first charging current of the first charging IC may be set in advance. It is also possible to previously set the off-voltage of the second charging IC, the second charging current of the second charging IC, and the off-current of the second charging IC.
The charging method provided by the embodiment of the invention is applied to a terminal, and the terminal comprises a rechargeable battery. When charging is started, the first charging IC and the second charging IC can both perform constant current charging on the rechargeable battery at a constant current. When the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, the second charging IC enters a constant voltage charging stage. Since the cutoff voltage of the first charging IC is higher than the cutoff voltage of the rechargeable battery, the first charging IC is still in the constant current charging phase. The constant-current charging time of the first charging IC is prolonged, and the total charging time is reduced. And the second charging IC enters a constant voltage charging stage, and after the charging current of the second charging IC is reduced to the cut-off current of the second charging IC, if the terminal judges that the current value of the total current is greater than the preset threshold value, the charging current of the first charging IC can be reduced from the first charging current to a third charging current, and the first charging IC is controlled to perform constant current charging by taking the third charging current as the rechargeable battery. The second charging IC is also switched to the constant current charging mode, i.e. the rechargeable battery is charged with constant current. Therefore, compared with the prior art, the invention prolongs the duration of the constant-current charging stage, reduces the total time required by charging completion and improves the charging efficiency.
Referring to fig. 3, fig. 3 is a block diagram of a terminal including a rechargeable battery according to an embodiment of the present invention. As shown in fig. 3, the terminal 300 includes a first constant current charging module 301, a first determining module 302, and a second constant current charging module 303, wherein:
a first constant current charging module 301, configured to control a first charging integrated circuit IC to perform constant current charging on the rechargeable battery with a first charging current, and control a second charging IC to perform constant current charging on the rechargeable battery with a second charging current, where an off-state voltage of the first charging IC is higher than an off-state voltage of the rechargeable battery, and the off-state voltage of the second charging IC is equal to the off-state voltage of the rechargeable battery;
a first determining module 302, configured to determine whether a current value of a total current formed by the charging current of the first charging IC and the charging current of the second charging IC is greater than a preset threshold value after the voltage of the rechargeable battery reaches a cut-off voltage of the rechargeable battery;
the second constant current charging module 303 is configured to reduce the first charging current to a third charging current if the current value of the total current is greater than the preset threshold, control the first charging IC to perform constant current charging on the rechargeable battery with the third charging current, and control the second charging IC to perform constant current charging on the rechargeable battery.
Optionally, the first determining module 302 is specifically configured to:
and after the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery and the charging current of the second charging IC is reduced to the cut-off current of the second charging IC, judging whether the current value of the total current formed by the charging current of the first charging IC and the charging current of the second charging IC is larger than the preset threshold value or not.
Optionally, as shown in fig. 4, the terminal further includes:
a first setting module 304, configured to set a cut-off voltage of the first charging IC as a cut-off voltage of the rechargeable battery if the current value of the total current is less than or equal to the preset threshold, and send charging termination information to the second charging IC, so that the second charging IC stops charging according to the charging termination information.
Optionally, as shown in fig. 5, the terminal further includes:
a second setting module 305, configured to preset the first charging current, the second charging current, the cutoff current of the second charging IC, the cutoff voltage of the first charging IC, and the cutoff voltage of the second charging IC.
Optionally, as shown in fig. 6, the terminal further includes:
a second determination module 306, configured to determine whether the charger is a high-voltage charger if connection is established with the charger;
an executing module 307, configured to execute the step of presetting the first charging current, the second charging current, the cutoff current of the second charging IC, the cutoff voltage of the first charging IC, and the cutoff voltage of the second charging IC if the charger is the high-voltage charger.
The terminal 300 can implement each process implemented by the terminal in the method embodiments of fig. 1 and fig. 2, and is not described herein again to avoid repetition. And the terminal 300 may implement charging, the first charging IC and the second charging IC may both perform constant current charging for the rechargeable battery with a constant current. When the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, the second charging IC enters a constant voltage charging stage. Since the cutoff voltage of the first charging IC is higher than the cutoff voltage of the rechargeable battery, the first charging IC is still in the constant current charging phase. The constant-current charging time of the first charging IC is prolonged, and the total charging time is reduced. And the second charging IC enters a constant voltage charging stage, and after the charging current of the second charging IC is reduced to the cut-off current of the second charging IC, if the terminal judges that the current value of the total current is greater than the preset threshold value, the charging current of the first charging IC can be reduced from the first charging current to a third charging current, and the first charging IC is controlled to perform constant current charging by taking the third charging current as the rechargeable battery. The second charging IC also performs constant current charging for the rechargeable battery. Therefore, compared with the prior art, the invention prolongs the duration of the constant-current charging stage, reduces the total time required by charging completion and improves the charging efficiency.
Fig. 7 is a schematic diagram of a hardware structure of a terminal for implementing various embodiments of the present invention.
The terminal 700 includes, but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710, a power supply 711, and the like. Those skilled in the art will appreciate that the terminal configuration shown in fig. 7 is not intended to be limiting, and that the terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
A processor 710 for controlling a first charging IC to perform constant current charging on the rechargeable battery with a first charging current, and controlling a second charging IC to perform constant current charging on the rechargeable battery with a second charging current, wherein a cut-off voltage of the first charging IC is higher than a cut-off voltage of the rechargeable battery, and the cut-off voltage of the second charging IC is equal to the cut-off voltage of the rechargeable battery;
after the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, judging whether the current value of the total current formed by the charging current of the first charging IC and the charging current of the second charging IC is larger than a preset threshold value or not;
and if the current value of the total current is greater than the preset threshold value, reducing the first charging current to a third charging current, controlling the first charging IC to perform constant current charging on the rechargeable battery by using the third charging current, and controlling the second charging IC to switch to a constant current charging mode, namely performing constant current charging on the rechargeable battery.
When charging is started, the first charging IC and the second charging IC can both perform constant current charging on the rechargeable battery at a constant current. When the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, the second charging IC enters a constant voltage charging stage. Since the cutoff voltage of the first charging IC is higher than the cutoff voltage of the rechargeable battery, the first charging IC is still in the constant current charging phase. The constant-current charging time of the first charging IC is prolonged, and the total charging time is reduced. After the second charging IC enters the constant voltage charging stage, if the terminal determines that the current value of the total current is greater than the preset threshold, the charging current of the first charging IC may be reduced from the first charging current to a third charging current, and the first charging IC is controlled to perform constant current charging with the third charging current as the rechargeable battery. The second charging IC also performs constant current charging for the rechargeable battery. Therefore, compared with the prior art, the invention prolongs the duration of the constant-current charging stage, reduces the total time required by charging completion and improves the charging efficiency.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 701 may be used for receiving and sending signals during a message transmission and reception process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 710; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 701 may also communicate with a network and other devices through a wireless communication system.
The terminal provides wireless broadband internet access to the user via the network module 702, such as assisting the user in sending and receiving e-mails, browsing web pages, and accessing streaming media.
The audio output unit 703 may convert audio data received by the radio frequency unit 701 or the network module 702 or stored in the memory 709 into an audio signal and output as sound. Also, the audio output unit 703 may also provide audio output related to a specific function performed by the terminal 700 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 703 includes a speaker, a buzzer, a receiver, and the like.
The input unit 704 is used to receive audio or video signals. The input Unit 704 may include a Graphics Processing Unit (GPU) 7041 and a microphone 7042, and the Graphics processor 7041 processes image data of a still picture or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 706. The image frames processed by the graphic processor 7041 may be stored in the memory 709 (or other storage medium) or transmitted via the radio unit 701 or the network module 702. The microphone 7042 may receive sounds and may be capable of processing such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 701 in case of a phone call mode.
The terminal 700 also includes at least one sensor 705, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 7061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 7061 and/or a backlight when the terminal 700 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 705 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 706 is used to display information input by the user or information provided to the user. The Display unit 706 may include a Display panel 7061, and the Display panel 7061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 707 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 707 includes a touch panel 7071 and other input devices 7072. The touch panel 7071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 7071 (e.g., operations by a user on or near the touch panel 7071 using a finger, a stylus, or any other suitable object or attachment). The touch panel 7071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 710, receives a command from the processor 710, and executes the command. In addition, the touch panel 7071 can be implemented by various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 707 may include other input devices 7072 in addition to the touch panel 7071. In particular, the other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein again.
Further, the touch panel 7071 may be overlaid on the display panel 7061, and when the touch panel 7071 detects a touch operation on or near the touch panel 7071, the touch operation is transmitted to the processor 710 to determine the type of the touch event, and then the processor 710 provides a corresponding visual output on the display panel 7061 according to the type of the touch event. Although the touch panel 7071 and the display panel 7061 are shown in fig. 7 as two separate components to implement the input and output functions of the terminal, in some embodiments, the touch panel 7071 and the display panel 7061 may be integrated to implement the input and output functions of the terminal, which is not limited herein.
The interface unit 708 is an interface for connecting an external device to the terminal 700. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 708 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal 700 or may be used to transmit data between the terminal 700 and the external device.
The memory 709 may be used to store software programs as well as various data. The memory 709 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 709 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 710 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 709 and calling data stored in the memory 709, thereby integrally monitoring the terminal. Processor 710 may include one or more processing units; preferably, the processor 710 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 710.
The terminal 700 may also include a power supply 711 (e.g., a battery) for providing power to the various components, and preferably, the power supply 711 may be logically coupled to the processor 710 via a power management system, such that functions of managing charging, discharging, and power consumption are performed via the power management system.
In addition, the terminal 700 includes some functional modules that are not shown, and are not described in detail herein.
Optionally, the processor 710 is further configured to:
and after the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery and the charging current of the second charging IC is reduced to the cut-off current of the second charging IC, judging whether the current value of the total current formed by the charging current of the first charging IC and the charging current of the second charging IC is larger than the preset threshold value or not.
Optionally, the processor 710 is further configured to:
and if the current value of the total current is less than or equal to the preset threshold, setting the cut-off voltage of the first charging IC as the cut-off voltage of the rechargeable battery, and sending charging termination information to the second charging IC so that the second charging IC stops charging according to the charging termination information.
Optionally, the processor 710 is further configured to:
the first charging current, the second charging current, the off-current of the second charging IC, the off-voltage of the first charging IC, and the off-voltage of the second charging IC are set in advance.
Optionally, the processor 710 is further configured to:
if the charger is connected with the charger, judging whether the charger is a high-voltage charger or not;
and if the charger is the high-voltage charger, executing the step of presetting the first charging current, the second charging current, the cutoff current of the second charging IC, the cutoff voltage of the first charging IC and the cutoff voltage of the second charging IC.
The terminal 700 can implement the processes implemented by the terminal in the foregoing embodiments, and details are not described here to avoid repetition. And the terminal 700 can implement charging, the first charging IC and the second charging IC can both perform constant current charging for the rechargeable battery with constant current. When the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery, the second charging IC enters a constant voltage charging stage. Since the cutoff voltage of the first charging IC is higher than the cutoff voltage of the rechargeable battery, the first charging IC is still in the constant current charging phase. The constant-current charging time of the first charging IC is prolonged, and the total charging time is reduced. And the second charging IC enters a constant voltage charging stage, and after the charging current of the second charging IC is reduced to the cut-off current of the second charging IC, if the terminal judges that the current value of the total current is greater than the preset threshold value, the charging current of the first charging IC can be reduced from the first charging current to a third charging current, and the first charging IC is controlled to perform constant current charging by taking the third charging current as the rechargeable battery. The second charging IC also performs constant current charging for the rechargeable battery. Therefore, compared with the prior art, the invention prolongs the duration of the constant-current charging stage, reduces the total time required by charging completion and improves the charging efficiency.
Preferably, an embodiment of the present invention further provides a terminal, including a processor 710, a memory 709, and a computer program stored in the memory 709 and capable of running on the processor 710, where the computer program is executed by the processor 710 to implement each process of the charging method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the charging method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A charging method applied to a terminal, wherein the terminal includes a rechargeable battery, the method comprising:
controlling a first charging Integrated Circuit (IC) to perform constant current charging on the rechargeable battery by using a first charging current, and controlling a second charging IC to perform constant current charging on the rechargeable battery by using a second charging current, wherein the cut-off voltage of the first charging IC is higher than the cut-off voltage of the rechargeable battery, and the cut-off voltage of the second charging IC is equal to the cut-off voltage of the rechargeable battery;
when the voltage of the rechargeable battery reaches the cut-off voltage of the rechargeable battery and the charging current of the second charging IC is reduced to the cut-off current of the second charging IC, judging whether the current value of the total current formed by the charging current of the first charging IC and the charging current of the second charging IC is larger than a preset threshold value;
if the current value of the total current is larger than the preset threshold value, reducing the first charging current to a third charging current, controlling the first charging IC to perform constant current charging on the rechargeable battery by using the third charging current, and controlling the second charging IC to perform constant current charging on the rechargeable battery,
and if the current value of the total current is less than or equal to the preset threshold, setting the cut-off voltage of the first charging IC as the cut-off voltage of the rechargeable battery, and sending charging termination information to the second charging IC so that the second charging IC stops charging according to the charging termination information.
2. The method of claim 1, wherein prior to the step of controlling the first charging Integrated Circuit (IC) to perform constant current charging of the rechargeable battery at a first charging current and controlling the second charging IC to perform constant current charging of the rechargeable battery at a second charging current, the method further comprises:
the first charging current, the second charging current, the off-current of the second charging IC, the off-voltage of the first charging IC, and the off-voltage of the second charging IC are set in advance.
3. The method of claim 2, wherein prior to the step of presetting the first charging current, the second charging current, the cutoff current of the second charging IC, the cutoff voltage of the first charging IC, and the cutoff voltage of the second charging IC, the method further comprises:
if the charger is connected with the charger, judging whether the charger is a high-voltage charger or not;
and if the charger is the high-voltage charger, executing the step of presetting the first charging current, the second charging current, the cutoff current of the second charging IC, the cutoff voltage of the first charging IC and the cutoff voltage of the second charging IC.
4. A terminal, wherein the terminal comprises a rechargeable battery, comprising:
the first constant current charging module is used for controlling a first charging integrated circuit IC to perform constant current charging on the rechargeable battery by using a first charging current and controlling a second charging IC to perform constant current charging on the rechargeable battery by using a second charging current, wherein the cut-off voltage of the first charging IC is higher than the cut-off voltage of the rechargeable battery, and the cut-off voltage of the second charging IC is equal to the cut-off voltage of the rechargeable battery;
a first determining module, configured to determine whether a current value of a total current composed of a charging current of the first charging IC and a charging current of the second charging IC is greater than a preset threshold value when the voltage of the rechargeable battery reaches a cutoff voltage of the rechargeable battery and the charging current of the second charging IC decreases to the cutoff current of the second charging IC;
a second constant current charging module, configured to reduce the first charging current to a third charging current if the current value of the total current is greater than the preset threshold, control the first charging IC to perform constant current charging on the rechargeable battery with the third charging current, and control the second charging IC to perform constant current charging on the rechargeable battery,
and the first setting module is used for setting the cut-off voltage of the first charging IC as the cut-off voltage of the rechargeable battery and sending charging termination information to the second charging IC if the current value of the total current is less than or equal to the preset threshold value, so that the second charging IC stops charging according to the charging termination information.
5. The terminal of claim 4, wherein the terminal further comprises:
a second setting module for setting in advance the first charging current, the second charging current, an off-current of the second charging IC, an off-voltage of the first charging IC, and an off-voltage of the second charging IC.
6. The terminal of claim 5, wherein the terminal further comprises:
the second judgment module is used for judging whether the charger is a high-voltage charger or not if the connection with the charger is established;
and the execution module is used for executing the step of presetting the first charging current, the second charging current, the cut-off current of the second charging IC, the cut-off voltage of the first charging IC and the cut-off voltage of the second charging IC if the charger is the high-voltage charger.
7. A terminal, characterized in that it comprises a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the charging method according to any one of claims 1 to 3.
8. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the charging method according to any one of claims 1 to 3.
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| CN107195997B (en) * | 2017-06-19 | 2019-06-04 | 厦门美图移动科技有限公司 | A kind of charging method, device and mobile terminal |
| CN111406353A (en) * | 2018-09-29 | 2020-07-10 | Oppo广东移动通信有限公司 | Quick charging method and device for battery, equipment to be charged and charging system |
| CN112242726A (en) * | 2019-07-19 | 2021-01-19 | 北京小米移动软件有限公司 | Charging method and device |
| CN110601295A (en) * | 2019-09-18 | 2019-12-20 | 深圳市道通科技股份有限公司 | Charging device, charging method and electronic equipment |
| CN112803547B (en) * | 2021-02-23 | 2024-01-23 | 维沃移动通信有限公司 | Charging method, charging device, electronic equipment and storage medium |
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| CN102237558A (en) * | 2010-04-21 | 2011-11-09 | 顺达科技股份有限公司 | Charging method and charging device |
| CN105449759A (en) * | 2015-12-03 | 2016-03-30 | 广东欧珀移动通信有限公司 | Charging method and mobile terminal |
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| CN107834640A (en) | 2018-03-23 |
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