CN106786894B - One kind being based on binodal lithium battery fast charge method and electronic equipment charging module - Google Patents
One kind being based on binodal lithium battery fast charge method and electronic equipment charging module Download PDFInfo
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- CN106786894B CN106786894B CN201611215499.3A CN201611215499A CN106786894B CN 106786894 B CN106786894 B CN 106786894B CN 201611215499 A CN201611215499 A CN 201611215499A CN 106786894 B CN106786894 B CN 106786894B
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims 1
- 238000009414 blockwork Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 12
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 7
- 230000006837 decompression Effects 0.000 description 5
- 238000005303 weighing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000007630 basic procedure Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- 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
-
- H02J7/0072—
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of electronic equipment charging modules based on binodal lithium battery quick charge, are related to fast charge field, including charging module；Charging module includes fast charge handshake module, step-up/step-down circuit module；When charging, the trial of fast charge handshake module is shaken hands with power supply adaptor；If shaking hands success, control step-up/step-down circuit module and work in first state, controls power supply adaptor with the first power output, and charge to electronic equipment；If it is unsuccessful to shake hands, controls step-up/step-down circuit module and work in the second state, controls power supply adaptor with the second power output, and charge to electronic equipment.In addition, the invention also discloses a kind of methods based on binodal lithium battery quick charge.The compatible existing conventional adapters on the market of the present invention, including handpiece adapter, so that user is without in addition purchase power supply adaptor, environmental protection and energy saving.Meanwhile electronic equipment uses fast charge, also improves user's charging and electricity consumption experience.
Description
Technical field
The present invention relates to fast charge field, in particular to a kind of electronic equipment charging mould based on binodal lithium battery quick charge
Block and method.
Background technique
In balance or weighing sensor field, in order to improve the precision of weighing, higher driving electricity is usually set
Pressure.For same group of weighing sensor, driving voltage is higher, then its sensitivity is also higher.So in order to day flat products
It realizes high-precision, then generally uses binodal lithium battery for balance power supply.And it is quick to carry out high current for balance power supply at this time
Charging cannot achieve and be carried out very to balance binodal lithium battery using general mobile phone fast charge or other existing fast charge adapters
It charges well.
And with the development of electronic product, the electronic equipment of people is also more and more, correspondingly, everyone gathers around simultaneously
There are multiple power supply adaptors, this will also result in the waste of social resources.When balance uses binodal lithium battery, then voltage range becomes
For 6V~8.4V, on the one hand it is greater than common power adapter default output 5V, cannot achieve charging, the output of another aspect fast charge
9V or 12V voltage cannot charge to balance binodal lithium battery very much.So existing balance can not be compatible with well on the market
Common power adapter.
To sum up, in the prior art, balance there is not yet the fast charge power supply product that power supply therewith matches, meanwhile, balance
Binodal battery can not be mutually compatible with conventional fast charge adapter well.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide one kind to be based on binodal lithium
The electronic equipment charging module of quickly charging battery, it is intended to based on the fast charge adapter used on existing mobile phone, realize to binodal
The fast charge scheme of battery promotes the quick charge usage experience of the binodals lithium battery equipment such as electronic balance.
To achieve the above object, the electronic equipment that the present invention provides a kind of based on binodal lithium battery quick charge charges mould
Block, the charging module include fast charge handshake module, step-up/step-down circuit module；
When charging, the trial of fast charge handshake module is shaken hands with power supply adaptor；If shaking hands success, the lifting piezoelectricity is controlled
Road module works in first state, controls the power supply adaptor with the first power output, and fill to the electronic equipment
Electricity；If it is unsuccessful to shake hands, controls the step-up/step-down circuit module and work in the second state, controls the power supply adaptor with
Two power outputs, and charge to the electronic equipment.
In the technical scheme, by whether shaking hands success with power supply adaptor, judge whether power supply adaptor is support
Fast charge, if power supply adaptor supports fast charge, power supply adaptor is with the first power output, at this point, power supply adaptor is in Gao Gong
Rate output state, since the voltage of binodal lithium battery is lower than power supply adaptor output voltage, step-up/step-down circuit module is worked in
First state, i.e. decompression operating mode.When power supply adaptor does not support fast charge, power supply adaptor is with the second power output, binodal
The voltage of lithium battery wants the voltage of height power supply adaptor, now it is necessary to step-up/step-down circuit module is switched to the second state, i.e.,
It is switched to pressure-increasning state, to guarantee that power supply adaptor can charge to binodal lithium battery.
The beneficial effect of the technical solution is: compatible existing conventional adapters on the market, including handpiece adapter, so that
User is without in addition purchase power supply adaptor, environmental protection and energy saving.Meanwhile electronic equipment uses fast charge, also improves user's charging and uses
Electricity experience.Furthermore by step-up/step-down circuit, allow binodal lithium battery special voltage itself using boosting or decompression so that
Charging voltage is met the requirements, and the compatibility of common power adapter and fast charge adapter is realized on binodal lithium battery.
Furthermore, the step-up/step-down circuit module is buck-boost circuit, and the electronic equipment further includes lifting
Control module is pressed, the output end of the buck control module connects the control terminal of the buck-boost circuit, the lifting
Pressure control module at least generate two groups of pwm signals and with the first power output of the power supply adaptor and the second power output phase
Matching.
In the technical scheme, step-up/step-down circuit is buck-boost circuit, controls buck-boost circuit by PWM,
So that the voltage of different electrical power adapter can be modulated to the charging voltage to match with binodal lithium battery, binodal lithium is realized
Battery fast charge function.
Furthermore, when the power supply adaptor is with the first power output, the voltage of output is first voltage, works as institute
When stating power supply adaptor with the second power output, the voltage of output is second voltage；The voltage of the binodal lithium battery is less than institute
First voltage is stated, the voltage of the binodal lithium battery is greater than the second voltage.
In the technical scheme, it is indicated that binodal lithium battery is caused since its voltage is twice of single-lithium-battery cell voltage
It needs for common power adapter output voltage 5V and fast charge output voltage 9V (or 12V) respectively by step-up/step-down circuit to defeated
Voltage is handled out.Using the technical solution, so that the compatible common charger of electronic equipment and fast charger.
Furthermore, the voltage of the binodal lithium battery is greater than 5V and is less than the electricity of 9V or the binodal lithium battery
Pressure is greater than 5V and is less than 12V.
Furthermore, the success if the fast charge handshake module and the power supply adaptor are shaken hands, the fast charge are shaken hands mould
Block also obtains the output power gear of the power supply adaptor；The buck control module is according to binodal lithium battery charging feelings
Condition generates pwm control signal, and the output end power of the power supply adaptor is controlled by the fast charge handshake module.
In the technical scheme, by fast charge handshake module, multiple output power gears of fast charge power supply adaptor are obtained,
According to the charging situation of lithium battery itself, the suitable adapter output voltage of real-time selection simultaneously charges, and improves charge efficiency.
Defect based on the prior art, the present invention also provides a kind of method based on binodal lithium battery quick charge, packets
Include following steps:
S1, the trial of fast charge handshake module are shaken hands with power supply adaptor；If shaking hands success, S2 is thened follow the steps；If shaking hands not
Success, thens follow the steps S3；
S2, control step-up/step-down circuit module work in first state, control the power supply adaptor with the first power output,
And it charges to electronic equipment；
S3, control step-up/step-down circuit module work in the second state, control the power supply adaptor with the second power output,
And it charges to electronic equipment.
The beneficial effect of the technical solution is: compatible existing conventional adapters on the market, including handpiece adapter, so that
User is without in addition purchase power supply adaptor, environmental protection and energy saving.Meanwhile electronic equipment uses fast charge, also improves user's charging and uses
Electricity experience.Furthermore by step-up/step-down circuit, allow binodal lithium battery special voltage itself using boosting or decompression so that
Charging voltage is met the requirements, and the compatibility of common power adapter and fast charge adapter is realized on binodal lithium battery.
Furthermore, the step-up/step-down circuit module is buck-boost circuit；The step S2 includes:
S21, fast charge handshake module control the power supply adaptor with the first power output；
S22, buck control module generate the first pwm signal to match with first power output, the PWM letter
The adaptive charging voltage of binodal lithium battery described in number control buck-boost circuit output；The buck-boost electricity
Road is binodal lithium battery charging；
The step S3 includes:
S31, the power supply adaptor are with the second power output；
S32, buck control module generate the second pwm signal to match with second power output, the PWM letter
The adaptive charging voltage of binodal lithium battery described in number control buck-boost circuit output；The buck-boost circuit is
The binodal lithium battery charging.
In the technical scheme, step-up/step-down circuit is buck-boost circuit, controls buck-boost circuit by PWM,
So that the voltage of different electrical power adapter can be modulated to the charging voltage to match with binodal lithium battery, binodal lithium is realized
Battery fast charge function.
Furthermore, when the power supply adaptor is with the first power output, the voltage of output is first voltage, works as institute
When stating power supply adaptor with the second power output, the voltage of output is second voltage；The voltage of the binodal lithium battery is less than institute
First voltage is stated, the voltage of the binodal lithium battery is greater than the second voltage.
In the technical scheme, it is indicated that binodal lithium battery is caused since its voltage is twice of single-lithium-battery cell voltage
It needs for common power adapter output voltage 5V and fast charge output voltage 9V (or 12V) respectively by step-up/step-down circuit to defeated
Voltage is handled out.Using the technical solution, so that the compatible common charger of electronic equipment and fast charger.
Furthermore, the voltage of the binodal lithium battery is greater than 5V and is less than the electricity of 9V or the binodal lithium battery
Pressure is greater than 5V and is less than 12V.
Furthermore, the success if the fast charge handshake module and the power supply adaptor are shaken hands, the fast charge are shaken hands mould
Block also obtains the output power gear of the power supply adaptor；The buck control module is according to binodal lithium battery charging feelings
Condition generates pwm control signal, and the output end power of the power supply adaptor is controlled by the fast charge handshake module.
In the technical scheme, by fast charge handshake module, multiple output power gears of fast charge power supply adaptor are obtained,
According to the charging situation of lithium battery itself, the suitable adapter output voltage of real-time selection simultaneously charges, and improves charge efficiency.
The beneficial effects of the present invention are: the compatible existing conventional adapters on the market of the present invention, including handpiece adapter, so that
User is without in addition purchase power supply adaptor, environmental protection and energy saving.Meanwhile electronic equipment uses fast charge, also improves user's charging and uses
Electricity experience.Furthermore by step-up/step-down circuit, allow binodal lithium battery special voltage itself using boosting or decompression so that
Charging voltage is met the requirements, and the compatibility of common power adapter and fast charge adapter is realized on binodal lithium battery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a specific embodiment of the invention；
Fig. 2 is buck-boost typical circuit figure；
Fig. 3 is the circuit block diagram of a specific embodiment of the invention；
Fig. 4 is the flow diagram of another specific embodiment of the present invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Firstly, the charging knowledge to balance field does necessary introduction.In balance field, in order to improve balance continuation of the journey energy
Power and the measurement accuracy for improving weighing sensor, Chang Shiyong binodal lithium battery is as power supply.
So the binodal battery of balance has a characteristic that common single lithium battery nominal voltage is generally 3.7V, charging
Voltage is limited in 4.2V or so, discharge cut-off voltage is in 3.0V；Binodal lithium battery is double, it may be assumed that double if be together in series
Save lithium battery nominal voltage 7.4V, charging limitation voltage 8.2V, discharge cut-off voltage 6.0V.Correspondingly, fast charge adapter has
Following features: usual mobile phone fast charge adapter default output 5V supports fast fill device access when detecting, voltage can be risen to
9V or 12V, is specifically shaken hands with adapter by equipment and is determined.
And the mobile devices such as our present mobile phones, using single lithium battery, then the voltage range of battery 3.0~
4.2V is lower than adapter output voltage (5V, 9V, 12V), if that quick charge is realized, as long as then being opened up using buck
It flutters all right, that is, carries out decompression charging.If battery uses binodal lithium battery, voltage range becomes 6V~8.4V, is greater than silent
Give up 5V out, then cannot achieve charging；
As shown in Figure 1, to solve the above problems, in the first embodiment of the invention, providing a kind of based on binodal lithium battery
The electronic equipment charging module 200 of 300 quick charges, the charging module include fast charge handshake module 201, step-up/step-down circuit mould
Block 203；
When charging, the trial of fast charge handshake module 201 is shaken hands with power supply adaptor 100；If shaking hands success, the liter is controlled
Reduction voltage circuit module 203 works in first state, controls the power supply adaptor 100 with the first power output, and to the electricity
Sub- equipment charges；If it is unsuccessful to shake hands, controls the step-up/step-down circuit module 203 and work in the second state, control institute
Power supply adaptor 100 is stated with the second power output, and charge to the electronic equipment.
In the present embodiment, the step-up/step-down circuit module 203 is buck-boost circuit, and the electronic equipment further includes
Buck control module 202, the output end of the buck control module 202 connect the control of the buck-boost circuit
End, the buck control module 202 at least generate two groups of pwm signals and defeated with the first power of the power supply adaptor 100
Match out with the second power output.
In the present embodiment, when the power supply adaptor 100 is with the first power output, the voltage of output is the first electricity
Pressure, when the power supply adaptor 100 is with the second power output, the voltage of output is second voltage；The binodal lithium battery 300
Voltage be less than the first voltage, the voltage of the binodal lithium battery 300 is greater than the second voltage.
In the present embodiment, the voltage of the binodal lithium battery 300 is greater than 5V and is less than 9V or the binodal lithium battery
300 voltage is greater than 5V and is less than 12V.
In the present embodiment, the success if the fast charge handshake module 201 and the power supply adaptor 100 are shaken hands is described fast
Fill the output power gear that handshake module 201 also obtains the power supply adaptor 100；202 basis of buck control module
300 charging situation of binodal lithium battery generates pwm control signal, and controls the power supply by the fast charge handshake module 201 and fit
The output end power of orchestration 100.
As shown in Fig. 2, Fig. 2 is buck-boost typical circuit, transistor Q is controlled by PWM and modulates output voltage values, it is defeated
Voltage V outOWith input voltage ViMeet: VO=Vi* D/ (1-D), VO、ViPolarity on the contrary, D be charging duty cycle, i.e. transistor Q's
Conducting dutycycle.In the present embodiment, according to the output voltage of power supply adaptor 100, buck control module 202 generates difference
Pwm signal guarantee buck-boost circuit to adjust the output voltage of buck-boost circuit and the ratio of input voltage
Output voltage is reasonable and charges to binodal lithium battery 300.Specifically, it is assumed that the charging at the both ends of binodal lithium battery 300
Voltage is 8V, and when the work of power supply adaptor 100 is under 9V fast charge mode, step-up/step-down circuit module 203 works in buck mode,
The duty ratio of PWMAnd work as 100 male seat of power supply adaptor under 5V normal charging mode, step-up/step-down circuit module 203
Work is under boost mode, the duty ratio of PWM
It is noted that the present embodiment uses fast charge protocol chip, shake hands with fast charge adapter, realizes and obtain fastly
Fill the high voltage output of adapter；The present invention uses buck-boost scheme, realizes buck large current charge, guarantees Width funtion
Charging of the range to binodal battery.
As shown in figure 3, a specific example of charging module is given, comprising Micro USB interface 401, for being fast charge
Adapter provides the main control MCU 402 of fast charge handshake module, for providing the charging chip 403 of Buck-Boost circuit, the charging
Module is the charging of binodal lithium battery 300；Its connection relationship is as shown in Figure 3.
The basic procedure of the present embodiment is as follows:
1) adapter is inserted into, and charging chip default enters Boost mode (boosting) charge mode
2) MCU carries out type of adapter detection；
If 3) detection is common charger (can only export 5V), charger chip keeps Boost mode；
If 4) detecting is to support fast charge adapter, handshake communication is initiated, configuration needs voltage (9V, 12V), and fast charge is suitable
Orchestration output HIGH voltage (9V, 12V etc.)
5) charging chip detection voltage is greater than battery charging voltage, automatically switches to Buck mode；
It is noted that balance belongs to unexpected winner, some industrial power supplys are also to belong to unexpected winner, social integrated demand amount
It is not high, typically researches and develops and be produced into this way in mode in series or in parallel by the battery technology to comparative maturity
This is relatively low.In fact, advanced technology itself can only be deacclimatized at many scientific and technological edges, the field of unexpected winner, and cannot be because of itself
And change the trend of technology development, comprehensively considering is undergone technological transformation to mature technology, and art technology demand is met.
As shown in figure 4, in view of the deficiencies of the prior art, in second embodiment of the invention, providing a kind of based on binodal lithium
The method of quickly charging battery, includes the following steps:
S1, the trial of fast charge handshake module are shaken hands with power supply adaptor；If shaking hands success, S2 is thened follow the steps；If shaking hands not
Success, thens follow the steps S3；
S2, control step-up/step-down circuit module work in first state, control the power supply adaptor with the first power output,
And it charges to electronic equipment；
S3, control step-up/step-down circuit module work in the second state, control the power supply adaptor with the second power output,
And it charges to electronic equipment.
In the present embodiment, the step-up/step-down circuit module is buck-boost circuit；The step S2 includes:
S21, fast charge handshake module control the power supply adaptor with the first power output；
S22, buck control module generate the first pwm signal to match with first power output, the PWM letter
The adaptive charging voltage of binodal lithium battery described in number control buck-boost circuit output；The buck-boost electricity
Road is binodal lithium battery charging；
The step S3 includes:
S31, the power supply adaptor are with the second power output；
S32, buck control module generate the second pwm signal to match with second power output, the PWM letter
The adaptive charging voltage of binodal lithium battery described in number control buck-boost circuit output；The buck-boost circuit is
The binodal lithium battery charging.
In the present embodiment, when the power supply adaptor is with the first power output, the voltage of output is first voltage, when
When the power supply adaptor is with the second power output, the voltage of output is second voltage；The voltage of the binodal lithium battery is less than
The voltage of the first voltage, the binodal lithium battery is greater than the second voltage.
In the present embodiment, the voltage of the binodal lithium battery is greater than 5V and is less than 9V or the binodal lithium battery
Voltage is greater than 5V and is less than 12V.
In the present embodiment, the success if the fast charge handshake module and the power supply adaptor are shaken hands, the fast charge are shaken hands
Module also obtains the output power gear of the power supply adaptor；The buck control module is according to binodal lithium battery charging feelings
Condition generates pwm control signal, and the output end power of the power supply adaptor is controlled by the fast charge handshake module.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (2)
1. a kind of electronic equipment charging module based on binodal lithium battery quick charge, it is characterised in that: the charging module packet
Include fast charge handshake module, step-up/step-down circuit module；
When charging, the trial of fast charge handshake module is shaken hands with power supply adaptor；If shaking hands success, the step-up/step-down circuit mould is controlled
Block works in first state, controls the power supply adaptor with the first power output, and charge to the electronic equipment；If
It shakes hands unsuccessful, then controls the step-up/step-down circuit module and work in the second state, control the power supply adaptor with the second function
Rate output, and charge to the electronic equipment；
The step-up/step-down circuit module is buck-boost circuit, and the electronic equipment further includes buck control module, described
The output end of buck control module connects the control terminal of the buck-boost circuit, and the buck control module is at least raw
Match at two groups of pwm signals and with the first power output of the power supply adaptor and the second power output；
When the power supply adaptor is with the first power output, the voltage of output is first voltage, when the power supply adaptor with
When the second power output, the voltage of output is second voltage；The voltage of the binodal lithium battery is less than the first voltage, described
The voltage of binodal lithium battery is greater than the second voltage；
The voltage of the binodal lithium battery is greater than 5V and is less than the voltage of 9V or the binodal lithium battery greater than 5V and is less than
12V；
The success if the fast charge handshake module and the power supply adaptor are shaken hands, the fast charge handshake module also obtain the power supply
The output power gear of adapter；The buck control module generates PWM control letter according to binodal lithium battery charging situation
Number, and control by the fast charge handshake module output end power of the power supply adaptor.
2. a kind of method based on binodal lithium battery quick charge, which comprises the steps of:
S1, the trial of fast charge handshake module are shaken hands with power supply adaptor；If shaking hands success, S2 is thened follow the steps；If it is unsuccessful to shake hands,
Then follow the steps S3；
S2, control step-up/step-down circuit module work in first state, control the power supply adaptor with the first power output, and right
Electronic equipment charges；
S3, control step-up/step-down circuit module work in the second state, control the power supply adaptor with the second power output, and right
Electronic equipment charges；
The step-up/step-down circuit module is buck-boost circuit；
The step S2 includes:
S21, fast charge handshake module control the power supply adaptor with the first power output；
S22, buck control module generate the first pwm signal to match with first power output, the pwm signal control
Make the adaptive charging voltage of binodal lithium battery described in the buck-boost circuit output；The buck-boost circuit is described
The charging of binodal lithium battery；
The step S3 includes:
S31, the power supply adaptor are with the second power output；
S32, buck control module generate the second pwm signal to match with second power output, the pwm signal control
Make the adaptive charging voltage of binodal lithium battery described in the buck-boost circuit output；The buck-boost circuit is described
The charging of binodal lithium battery；
Wherein, when the power supply adaptor is with the first power output, the voltage of output is first voltage, when the power adaptation
When device is with the second power output, the voltage of output is second voltage；The voltage of the binodal lithium battery is less than the first voltage,
The voltage of the binodal lithium battery is greater than the second voltage；
The voltage of the binodal lithium battery is greater than 5V and is less than the voltage of 9V or the binodal lithium battery greater than 5V and is less than
12V；
The success if the fast charge handshake module and the power supply adaptor are shaken hands, the fast charge handshake module also obtain the power supply
The output power gear of adapter；The buck control module generates PWM control letter according to binodal lithium battery charging situation
Number, and control by the fast charge handshake module output end power of the power supply adaptor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215499.3A CN106786894B (en) | 2016-12-26 | 2016-12-26 | One kind being based on binodal lithium battery fast charge method and electronic equipment charging module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215499.3A CN106786894B (en) | 2016-12-26 | 2016-12-26 | One kind being based on binodal lithium battery fast charge method and electronic equipment charging module |
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| Publication Number | Publication Date |
|---|---|
| CN106786894A CN106786894A (en) | 2017-05-31 |
| CN106786894B true CN106786894B (en) | 2019-07-16 |
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| CN201611215499.3A Active CN106786894B (en) | 2016-12-26 | 2016-12-26 | One kind being based on binodal lithium battery fast charge method and electronic equipment charging module |
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| CN108649652A (en) * | 2018-06-08 | 2018-10-12 | 厦门芯源电子科技有限公司 | Massager automatic lifting presses charging circuit |
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