CN105406554A - Charge control method and charge control device - Google Patents
Charge control method and charge control device Download PDFInfo
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- CN105406554A CN105406554A CN201510997258.8A CN201510997258A CN105406554A CN 105406554 A CN105406554 A CN 105406554A CN 201510997258 A CN201510997258 A CN 201510997258A CN 105406554 A CN105406554 A CN 105406554A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The embodiment of the invention discloses a charge control method and a charge control device used for realizing parallel charging of a main charging IC (Integrated Circuit) and a plurality of fixed charging ICs by the charge control device, thus the charging efficiency is improved. The method of the embodiment of the invention comprises the following steps: detecting a battery, and acquiring an electric quantity value to be charged; calculating according to a fast charge protocol and the electric quantity value to be charged, and obtaining a charging current value; determining at least one fixed current IC according to the charging current value and the charging efficiency of a chip IC, and generating a control instruction, wherein the chip IC comprises the main charging IC and the fixed current IC; and connecting the main charging IC and at least one fixed current IC in parallel according to the control instruction.
Description
Technical field
The present invention relates to charging technique field, particularly relate to a kind of charge control method and battery charge controller.
Background technology
Existing charging modes is single or two charge integrated circuit IC, and structure is the direct step-down charging of single IC, two IC charged in parallels.
The shortcoming of existing scheme is difficult to heating problem when solving high-voltage great-current charging: along with charger input voltage raises and output current increase, charge efficiency reduces, and the heat of generation sharply increases.Heating makes handheld device temperature raise, and must reduce charging current and temperature be controlled within the specific limits, cost is that the charging interval is elongated, the effect of filling soon is reduced, adds the charging stand-by period of user, affect the experience of user.
Summary of the invention
Embodiments provide a kind of charge control method and battery charge controller, realize the charged in parallel of main charging IC and multiple fixing IC that charges for battery charge controller, improve charge efficiency.
First aspect present invention provides a kind of charge control method, comprising:
Battery is detected, obtains charge value to be charged;
According to filling agreement soon and charge value to be charged calculates, obtain charging current value;
According to the charge efficiency of charging current value and chip IC, determine at least one fixed current IC, and generate control command, wherein, chip IC comprises fixed current IC and main charging IC;
According to control command by parallel with at least one fixed current IC for main charging IC.
In conjunction with first aspect present invention, in first aspect present invention first execution mode, according to the charge efficiency of charging current value and chip IC, determine at least one fixed current IC, and generate control command, comprising:
According to the charge efficiency of chip IC, obtain the optimum efficiency current value I of IC, according to calculating, determine at least one fixed current IC, the value of at least one fixed current IC is N
0:
N
0＝N-1＝I
0/I
Wherein, N represents the value comprising a main charging IC, I
0represent charging voltage value.
In conjunction with first aspect present invention, in first aspect present invention second execution mode, also comprise:
Receiver voltage control command, adjusts to preset value according to voltage control instructions by charging voltage value.
In conjunction with first aspect present invention second execution mode, in first aspect present invention the 3rd execution mode, receiver voltage control command, adjusts charging voltage value according to voltage control instructions, comprising:
Receiver voltage control command, judges that whether voltage control instructions is for boosting;
If so, then generate boosting rectifier control instruction, control over-pressure safety device according to boosting rectifier control instruction and regulate protection electric pressure, according to voltage control instructions, boosting adjustment is carried out to charging voltage value;
If not, then according to voltage control instructions, reduction adjustment is carried out to charging voltage value.
In conjunction with first aspect present invention, first aspect first execution mode, first aspect second execution mode or first aspect the 3rd execution mode, in first aspect the 4th execution mode, charge control method also comprises:
When being connected with adapter, test adaptor obtains maximum output current value;
Send boost current to adapter, and detect acquisition ground voltage value;
According to maximum output current value, boost current and ground voltage value, calculate the product information of adapter, product information comprises the voltage mode of support, the power output of support and whether supports quick charge.
Second aspect present invention provides a kind of battery charge controller, comprising:
Detection module, for for detecting battery, obtains charge value to be charged;
Computing module, fills agreement soon for basis and charge value to be charged calculates, and obtains charging current value;
Determination module, for the charge efficiency according to charging current value and chip IC, determines at least one fixed current IC, and generates control command, and wherein, chip IC comprises fixed current IC and main charging IC;
Executive Module, for according to control command by parallel with at least one fixed current IC for main charging IC.
In conjunction with second aspect present invention, in second aspect present invention first execution mode,
Determination module, specifically for the charge efficiency according to chip IC, obtain the optimum efficiency current value I of IC, according to calculating, determine at least one fixed current IC, the value of at least one fixed current IC is N
0:
N
0＝N-1＝I
0/I
Wherein, N represents the value comprising a main charging IC, I
0represent charging voltage value.
In conjunction with second aspect present invention, in second aspect present invention second execution mode, battery charge controller also comprises:
Control module, for receiver voltage control command, adjusts charging voltage value according to voltage control instructions.
In conjunction with second aspect present invention second execution mode, in second aspect present invention the 3rd execution mode, control module comprises:
Judging unit, for receiver voltage control command, judges that whether voltage control instructions is for boosting;
First performance element, for when voltage control instructions is for boosting, generates boosting rectifier control instruction, controls over-pressure safety device and regulates protection electric pressure, carry out boosting adjustment according to voltage control instructions to charging voltage value according to boosting rectifier control instruction;
Second performance element, for when voltage control instructions is not used in boosting, then carries out reduction adjustment according to voltage control instructions to charging voltage value.
In conjunction with second aspect present invention, second aspect first execution mode, second aspect second execution mode or second aspect the 3rd execution mode, in second aspect the 4th execution mode,
Detection module, also for when being connected with adapter, test adaptor obtains maximum output current value;
Detection module, also for sending boost current to adapter, and detects acquisition ground voltage value;
Computing module, also for according to maximum output current value, boost current and ground voltage value, calculates the product information of adapter, and product information comprises the voltage mode of support, the power output of support and whether supports quick charge.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
Battery charge controller detects battery, obtain charge value to be charged, according to filling agreement soon and charge value to be charged calculates, obtain charging current value, according to the charge efficiency of charging current value and chip IC, determine at least one fixed current IC, and generate control command, according to control command by parallel with at least one fixed current IC for main charging IC, the charged in parallel of main charging IC and multiple fixing IC that charges, compared with prior art, main charging IC and the multiple fixing power of IC and mean allocation of heat of charging can be realized, can charge efficiency be improved.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present invention technical scheme, be briefly described to the accompanying drawing used required in embodiment and description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of an embodiment of charge control method in the embodiment of the present invention;
Fig. 2 is the charge efficiency curve chart of existing IC;
Fig. 3 is the structural representation of an embodiment of battery charge controller in the embodiment of the present invention;
Fig. 4 is the structural representation of another embodiment of battery charge controller in the embodiment of the present invention;
Fig. 5 is the structural representation of another embodiment of battery charge controller in the embodiment of the present invention.
Embodiment
Embodiments provide a kind of charge control method and battery charge controller, realize the charged in parallel of main charging IC and multiple fixing IC that charges for battery charge controller, improve charge efficiency.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Below by specific embodiment, be described in detail respectively.
Refer to Fig. 1, the embodiment of the present invention provides a kind of charge control method, comprising:
101, battery is detected, obtain charge value to be charged;
In the present embodiment, when battery charge controller charges to battery, battery charge controller output connects cell input terminal, and battery charge controller carries out electric power detection to battery, obtains charge value to be charged.
102, according to filling agreement soon and charge value to be charged calculates, charging current value is obtained;
In the present embodiment, battery charge controller is according to filling agreement soon and charge value to be charged calculates, when obtaining charging, need the charging current value reached, filling agreement is soon existing known agreement, the QC2.0 agreement of such as high pass and the pumpexpress agreement of Lian Fake, Texas Instrument and Microsoft also have fills agreement soon.
103, according to the charge efficiency of charging current value and chip IC, determine at least one fixed current IC, and generate control command, wherein, chip IC comprises fixed current IC and main charging IC;
In the present embodiment, chip IC comprises fixed current IC and main charging IC, according to the charge efficiency of fixed current IC and main charging IC, select the optimal charge current value of IC, by charging current value divided by optimal charge current value, obtain the number of IC, comprising a main charging IC and at least one fixed current IC, i.e. main charging IC and at least one fixed current IC mean allocation charging current value, generate control command, control command is connected with the main IC that charges for controlling at least one fixed current IC.
104, according to control command by parallel with at least one fixed current IC for main charging IC.
In the present embodiment, according to control command by parallel with at least one fixed current IC for main charging IC.
In the embodiment of the present invention, battery charge controller detects battery, obtain charge value to be charged, according to filling agreement soon and charge value to be charged calculates, obtain charging current value, according to the charge efficiency of charging current value and chip IC, determine at least one fixed current IC, and generate control command, according to control command by parallel with at least one fixed current IC for main charging IC, the charged in parallel of main charging IC and multiple fixing IC that charges, compared with prior art, main charging IC and the multiple fixing power of IC and mean allocation of heat of charging can be realized, charge efficiency can be improved.
Optionally, in some embodiments of the present invention, according to the charge efficiency of charging current value and chip IC, determine at least one fixed current IC, and generate control command, comprising:
According to the charge efficiency of chip IC, obtain the optimum efficiency current value I of described IC, according to calculating, determine at least one fixed current IC, the value of described at least one fixed current IC is N
0:
N
0＝N-1＝I
0/I
Wherein, N represents the value comprising a main charging IC, I
0represent charging voltage value.
Optionally, in some embodiments of the present invention, calculate according to charging voltage value and charge value to be charged, before obtaining charging current value, also comprise:
Receiver voltage control command, adjusts to preset value according to voltage control instructions by charging voltage value.
Optionally, in some embodiments of the present invention, receiver voltage control command, adjusts to preset value according to voltage control instructions by charging voltage value, comprising:
Receiver voltage control command, judges that whether voltage control instructions is for boosting;
If so, then generate boosting rectifier control instruction, control over-pressure safety device according to boosting rectifier control instruction and regulate protection electric pressure, according to voltage control instructions, charging voltage value is boosted to preset value;
If not, then according to voltage control instructions, charging voltage value is reduced to preset value.
Optionally, in some embodiments of the present invention, also comprise:
When being connected with adapter, test adaptor obtains maximum output current value;
Send boost current to adapter, and detect acquisition ground voltage value;
According to maximum output current value, boost current and described ground voltage value, calculate the product information of adapter, product information comprises the voltage mode of support, the power output of support and whether supports quick charge.
For ease of understanding, with a practical application scene, charge control method in the embodiment of the present invention is described in detail below:
When battery charge controller charges to battery, the output of battery charge controller connects the input of battery, detect battery and obtain charge value to be charged, suppose that charge value to be charged is 5000mAh, filling agreement is soon existing known agreement, the QC2.0 agreement of such as high pass and the pumpexpress agreement of Lian Fake, Texas Instrument and Microsoft also have fills agreement soon, the pumpexpress agreement of Lian Fake is selected in the present embodiment, suppose that the electricity of charging within 30 minutes requires to reach 5000mAh, so according to following formula:
Electricity to be charged=time * charging current value (I
0)
Wherein, the time is 0.5 hour, obtains charging current value I
0for 10000mA, i.e. 10A.
Charge efficiency curve chart according to IC as shown in Figure 2 can be seen, the value of the optimum efficiency current value I of IC is 2A, according to following formula:
N
0＝N-1＝I
0/I
Wherein, N represents the IC quantitative value comprising a main charging IC, and N=5, main charging IC is the same with the current value of other fixed currents IC, therefore, determines the number N of fixed current IC
0=4.
When after the quantity determining fixed current IC, generate control command, fixed current IC and the main IC that charges is together in parallel by battery charge controller, and 5 IC are charged to battery with the highest charge efficiency respectively.
It should be noted that, another charge efficiency affecting IC is charging voltage value, along with the rising charge efficiency of charging voltage value reduces, new charging scheme cancels the input of 12V voltage, increase 8V gear, new charging voltage value is 5V, 7V, 8V and 9V, input current is promoted to 2.5A, 12.5W can be provided, 17.5W, the power that 20W and 22.5W tetra-kinds is different, meet different capabilities battery charge requirement, general battery charge controller has an over-pressure safety device, the protection magnitude of voltage of element is no more than for the protection of charging voltage value, protection electric pressure is set to 4 grades by over-pressure safety device, the first estate is charging voltage value is 5V, second grade is charging voltage value is 7V, the tertiary gradient is charging voltage value is 8V, the fourth estate is charging voltage value is 9V, when charging voltage value is adjusted to 8V from 5V by needs, receiver voltage control command, judge that voltage control instructions is for boosting, then generate boosting rectifier control instruction, control over-pressure safety device according to boosting rectifier control instruction and regulate protection electric pressure, protection electric pressure is adjusted to the tertiary gradient from the first estate, at this moment, just according to voltage control instructions, charging voltage value can be carried out boosting from 5V and adjust to 8V, if voltage control instructions is not for boosting, does not then need to regulate protection electric pressure, according to voltage control instructions, reduction adjustment is carried out to charging voltage value.
When battery charge controller has adapter, battery charge controller is connected with adapter, first its maximum output current value is detected, boost current is sent again to adapter, and detect acquisition ground voltage value, according to maximum output current value, boost current and ground voltage value, calculate the product information of adapter, product information comprises the voltage mode of support, the power output of support and whether supports quick charge.
Be described above in the embodiment of the present invention, introduce the charge control method in the embodiment of the present invention below, refer to Fig. 3, a kind of battery charge controller is provided in the embodiment of the present invention, comprises:
Detection module 301, for detecting battery, obtains charge value to be charged;
Computing module 302, fills agreement soon for basis and charge value to be charged calculates, and obtains charging current value;
Determination module 303, for the charge efficiency according to charging current value and chip IC, determines at least one fixed current IC, and generates control command, and wherein, chip IC comprises fixed current IC and main charging IC;
Executive Module 304, in parallel with described at least one fixed current IC by main charging IC according to control command.
In the embodiment of the present invention, detection module 301 pairs of batteries detect, obtain charge value to be charged, computing module 302 is according to filling agreement soon and charge value to be charged calculates, obtain charging current value, determination module 303 is according to the charge efficiency of charging current value and chip IC, determine at least one fixed current IC, and generate control command, Executive Module 304 according to control command by parallel with at least one fixed current IC for main charging IC, the charged in parallel of main charging IC and multiple fixing IC that charges, compared with prior art, main charging IC and the multiple fixing power of IC and mean allocation of heat of charging can be realized, charge efficiency can be improved.
Optionally, in examples more of the present invention,
Determination module 303, specifically for the charge efficiency according to chip IC, obtain the optimum efficiency current value I of IC, according to calculating, determine at least one fixed current IC, the value of at least one fixed current IC is N
0:
N
0＝N-1＝I
0/I
Wherein, N represents the value comprising a main charging IC, I
0represent charging current value.
Optionally, as shown in Figure 4, in examples more of the present invention, battery charge controller also comprises:
Control module 401, for receiver voltage control command, adjusts charging voltage value according to voltage control instructions.
Optionally, as shown in Figure 5, in examples more of the present invention, control module 401 comprises:
Judging unit 4011, for receiver voltage control command, judges that whether voltage control instructions is for boosting;
First performance element 4012, for when voltage control instructions is for boosting, generates boosting rectifier control instruction, controls over-pressure safety device and regulates protection electric pressure, carry out boosting adjustment according to voltage control instructions to charging voltage value according to boosting rectifier control instruction;
Second performance element 4013, for when voltage control instructions is not used in boosting, carries out reduction adjustment according to voltage control instructions to charging voltage value.
Optionally, in examples more of the present invention,
Detection module 301, also for when being connected with adapter, test adaptor obtains maximum output current value;
Detection module 301, also for sending boost current to adapter, and detects acquisition ground voltage value;
Computing module 302, also for according to maximum output current value, boost current and ground voltage value, calculates the product information of adapter, and product information comprises the voltage mode of support, the power output of support and whether supports quick charge.
For ease of understand, below with an embody rule scene to being described in detail alternately between module each in embodiment of the present invention battery charge controller:
When battery charge controller charges to battery, the output of battery charge controller connects the input of battery, detection module 301 detects battery and obtains charge value to be charged, suppose that charge value to be charged is 5000mAh, filling agreement is soon existing known agreement, the QC2.0 agreement of such as high pass and the pumpexpress agreement of Lian Fake, Texas Instrument and Microsoft also have fills agreement soon, the pumpexpress agreement of Lian Fake is selected in the present embodiment, suppose that the electricity of charging within 30 minutes requires to reach 5000mAh, so according to following formula:
Electricity to be charged=time * charging current value (I
0)
Wherein, the time is 0.5 hour, and computing module 302 calculates charging current value I
0for 10000mA, i.e. 10A.
Charge efficiency curve chart according to IC as shown in Figure 2 can be seen, the value of the optimum efficiency current value I of IC is 2A, according to following formula:
N
0＝N-1＝I
0/I
Wherein, N represents the IC quantitative value comprising a main charging IC, and N=5, main charging IC is the same with the current value of other fixed currents IC, and therefore, determination module 303 determines the number N of fixed current IC
0=4.
After determination module 303 determines the quantity of fixed current IC, generate control command, fixed current IC and the main IC that charges is together in parallel according to control command by Executive Module 304, and 5 IC are charged to battery with the highest charge efficiency respectively.
It should be noted that, another charge efficiency affecting IC is charging voltage value, along with the rising charge efficiency of charging voltage value reduces, new charging scheme cancels the input of 12V voltage, increase 8V gear, new charging voltage value is 5V, 7V, 8V and 9V, input current is promoted to 2.5A, 12.5W can be provided, 17.5W, the power that 20W and 22.5W tetra-kinds is different, meet different capabilities battery charge requirement, general battery charge controller has an over-pressure safety device, the protection magnitude of voltage of element is no more than for the protection of charging voltage value, protection electric pressure is set to 4 grades by over-pressure safety device, the first estate is charging voltage value is 5V, second grade is charging voltage value is 7V, the tertiary gradient is charging voltage value is 8V, the fourth estate is charging voltage value is 9V, when charging voltage value is adjusted to 8V from 5V by needs, control module 401 receiver voltage control command, judging unit 4011 in control module 401 judges that voltage control instructions is for boosting, then the first performance element 4012 generates boosting rectifier control instruction, control over-pressure safety device according to boosting rectifier control instruction and regulate protection electric pressure, protection electric pressure is adjusted to the tertiary gradient from the first estate, at this moment, just according to voltage control instructions, charging voltage value can be carried out boosting from 5V and adjust to 8V, if voltage control instructions is not for boosting, then do not need to regulate protection electric pressure, the second performance element 4013 carries out reduction adjustment according to voltage control instructions to charging voltage value.
When battery charge controller has adapter, battery charge controller is connected with adapter, first detection module 301 detects its maximum output current value, boost current is sent again to adapter, and detect acquisition ground voltage value, computing module 302, according to maximum output current value, boost current and ground voltage value, calculates the product information of adapter, and product information comprises the voltage mode of support, the power output of support and whether supports quick charge.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a charge control method, is characterized in that, comprising:
Battery is detected, obtains charge value to be charged;
According to filling agreement soon and described charge value to be charged calculates, obtain charging current value;
According to the charge efficiency of described charging current value and chip IC, determine at least one fixed current IC, and generate control command, wherein, described chip IC comprises described fixed current IC and main charging IC;
According to described control command by parallel with described at least one fixed current IC for described main charging IC.
2. charge control method according to claim 1, is characterized in that, the described charge efficiency according to described charging current value and chip IC, determines at least one fixed current IC, and generates control command, comprising:
According to the charge efficiency of chip IC, obtain the optimum efficiency current value I of described IC, according to calculating, determine at least one fixed current IC, the value of described at least one fixed current IC is N
0:
N
0＝N-1＝I
0/I
Wherein, N represents the IC quantitative value comprising a main charging IC, I
0represent charging current value.
3. charge control method according to claim 1, is characterized in that, described method also comprises:
Receiver voltage control command, adjusts charging voltage value according to described voltage control instructions.
4. charge control method according to claim 3, is characterized in that, described receiver voltage control command, adjusts charging voltage value according to described voltage control instructions, comprising:
Receiver voltage control command, judges that whether described voltage control instructions is for boosting;
If so, then generate boosting rectifier control instruction, control over-pressure safety device according to described boosting rectifier control instruction and regulate protection electric pressure, according to described voltage control instructions, boosting adjustment is carried out to charging voltage value;
If not, then according to described voltage control instructions, reduction adjustment is carried out to charging voltage value.
5. charge control method according to any one of claim 1 to 4, is characterized in that, described charge control method also comprises:
When being connected with adapter, detecting described adapter and obtaining maximum output current value;
Send boost current to described adapter, and detect acquisition ground voltage value;
According to described maximum output current value, described boost current and described ground voltage value, calculate the product information of described adapter, described product information comprises the voltage mode of support, the power output of support and whether supports quick charge.
6. a battery charge controller, is characterized in that, comprising:
Detection module, for detecting battery, obtains charge value to be charged;
Computing module, fills agreement soon for basis and described charge value to be charged calculates, and obtains charging current value;
Determination module, for the charge efficiency according to described charging current value and chip IC, determines at least one fixed current IC, and generates control command, and wherein, described chip IC comprises described fixed current IC and main charging IC;
Executive Module, in parallel with described at least one fixed current IC by main charging IC according to described control command.
7. battery charge controller according to claim 6, is characterized in that,
Described determination module, specifically for the charge efficiency according to chip IC, obtain the optimum efficiency current value I of described IC, according to calculating, determine at least one fixed current IC, the value of described at least one fixed current IC is N
0:
N
0＝N-1＝I
0/I
Wherein, N represents the value comprising a main charging IC, I
0represent charging current value.
8. battery charge controller according to claim 6, is characterized in that, described battery charge controller also comprises:
Control module, for receiver voltage control command, adjusts charging voltage value according to described voltage control instructions.
9. battery charge controller according to claim 8, is characterized in that, described control module comprises:
Judging unit, for receiver voltage control command, judges that whether described voltage control instructions is for boosting;
First performance element, for when described voltage control instructions is for boosting, generate boosting rectifier control instruction, control over-pressure safety device according to described boosting rectifier control instruction and regulate protection electric pressure, according to described voltage control instructions, boosting adjustment is carried out to charging voltage value;
Second performance element, for when described voltage control instructions is not used in boosting, carries out reduction adjustment according to described voltage control instructions to charging voltage value.
10. the battery charge controller according to any one of claim 6 to 9, is characterized in that,
Described detection module, also for when being connected with adapter, detecting described adapter and obtaining maximum output current value;
Described detection module, also for sending boost current to described adapter, and detects acquisition ground voltage value;
Described computing module, also for according to described maximum output current value, described boost current and described ground voltage value, calculate the product information of described adapter, described product information comprises the voltage mode of support, the power output of support and whether supports quick charge.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105759103A (en) * | 2016-03-31 | 2016-07-13 | 宇龙计算机通信科技(深圳)有限公司 | Method, device and terminal for detecting maximum output current of adapter |
| CN107437828A (en) * | 2016-05-25 | 2017-12-05 | 中兴通讯股份有限公司 | Charging method, device and equipment |
| CN114614552A (en) * | 2022-05-11 | 2022-06-10 | 深圳市微源半导体股份有限公司 | Charging voltage control method, device, equipment and storage medium |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759103A (en) * | 2016-03-31 | 2016-07-13 | 宇龙计算机通信科技(深圳)有限公司 | Method, device and terminal for detecting maximum output current of adapter |
| WO2017166555A1 (en) * | 2016-03-31 | 2017-10-05 | 宇龙计算机通信科技(深圳)有限公司 | Method, device, and terminal for detecting maximum output current of adapter |
| CN105759103B (en) * | 2016-03-31 | 2018-12-25 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method, apparatus and terminal of test adaptor maximum output current |
| CN107437828A (en) * | 2016-05-25 | 2017-12-05 | 中兴通讯股份有限公司 | Charging method, device and equipment |
| CN107437828B (en) * | 2016-05-25 | 2022-09-16 | 中兴通讯股份有限公司 | Charging method, device and equipment |
| CN114614552A (en) * | 2022-05-11 | 2022-06-10 | 深圳市微源半导体股份有限公司 | Charging voltage control method, device, equipment and storage medium |
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|---|---|
| CN105406554B (en) | 2019-04-23 |
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