CN107040019A - A kind of lithium battery quick charge device and charging method - Google Patents
A kind of lithium battery quick charge device and charging method Download PDFInfo
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- CN107040019A CN107040019A CN201710255668.4A CN201710255668A CN107040019A CN 107040019 A CN107040019 A CN 107040019A CN 201710255668 A CN201710255668 A CN 201710255668A CN 107040019 A CN107040019 A CN 107040019A
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- 238000007600 charging Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 30
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 32
- 238000003079 width control Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000004065 semiconductor Substances 0.000 claims description 30
- 230000005611 electricity Effects 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 4
- 238000010277 constant-current charging Methods 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000036541 health Effects 0.000 claims description 2
- 210000001367 artery Anatomy 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 230000002999 depolarising effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
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- H02J7/0086—
-
- 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
-
- 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
- H02J7/00711—Regulation of charging or discharging current or voltage with introduction of pulses during the charging process
-
- 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)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of lithium battery quick charge device and charging method, belong to lithium cell charging technical field.Lithium battery quick charge device, including central processing circuit, control circuit, charging circuit, voltage detecting circuit, current detecting and comparison circuit, the realization of lithium battery fast charge method includes current constant control stage and Pulse Width Control stage, specific to include four steps.The charging device and charging method of the present invention, for charging overall process, accelerates speed, employs intermittent charging modes, and charging circuit totality caloric value is smaller than custom circuit, increases under the same terms than normal charge method capacity.
Description
Technical field
Present invention relates particularly to a kind of lithium battery quick charge device and charging method, belong to lithium cell charging technology neck
Domain.
Background technology
The current electric product of lithium has obtained increasingly being widely applied in daily life, and lithium electric energy is no quick, safe and reliable
Ground charging is most important.
At present, using first constant-current charge and the charging modes of rear constant pressure, both charging modes more than lithium cell charging mode
There is very big defect in practice, unreasonable constant-voltage charge is that constant-voltage charge initial current is very because rechargeable battery internal resistance very little
Greatly, thus to be depressured, arrive charging stage because brownout causes undercharge, long-term charge less can make inside rechargeable battery not
Can occur effectively chemical reaction, lower battery capacity and life-span；Why unreasonable constant-current charge is because rechargeable battery charging
Curve exponentially changes, and continuous current is less than rechargeable battery maximum acceptable electric current initial stage in charging, extends charge cycle, after
Phase then exceedes the ability that rechargeable battery is subjected to electric current, and electric energy can not be efficiently converted into chemical energy, be changed into thermal energy consumption more and fall.
The content of the invention
It is an object of the invention to the shortcoming and deficiency for overcoming prior art, there is provided a kind of lithium battery quick charge device.
Another object of the present invention is to provide a kind of lithium battery fast charge method.
The purpose of the present invention is realized by following technical scheme：
A kind of lithium battery quick charge device, including central processing circuit, control circuit, charging circuit, voltage detecting electricity
Road, current detecting and comparison circuit,
The central processing circuit includes MCU central processing units and power supply circuit, telecommunication circuit, and battery is through low-power dissipation power supply
Chip connects MCU processors, and the AD pins of MCU processors connect the AD_Current signals of current detecting and comparison circuit；At MCU
The SS pins for managing device draw SS signal connection control circuits, and the break-make for control chip is controlled；The voltage output of MCU processors is drawn
There is provided to current detecting and comparison circuit for exporting constant voltage signal for pin；
The voltage detecting circuit includes electric capacity C4 and resistance R1 parallel with one another, and voltage detecting circuit two ends are connected respectively
The voltage sense pin and lithium battery of MCU central processing units, the AD_V_BAT signals for obtaining cell voltage, AD_V_BAT letters
Number input MCU processors voltage sense pin；
The control circuit includes main control chip and synchronous rectification buck PWM controller, main control chip connection MCU centres
Manage the main control chip pin of device；
PWM controller includes output feedback pin, chip internal error amplifier output and the output of PWM comparators positive
Hold pin, bootstrapping pin, supply pin, soft start and controlling switch, the switching node pin of voltage-releasing voltage stabilizer, driving charging circuit high
Side metal-oxide-semiconductor pin, driving charging circuit downside metal-oxide-semiconductor pin, internal voltage regulator output pin；
The charging circuit is that input filter circuit connects metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q1 connections inductance L1, inductance L1 connection pair
Ground output filter circuit, the termination metal-oxide-semiconductor Q1 of metal-oxide-semiconductor Q2 mono-, other end ground connection, the absorption electricity of electric capacity C12 series resistances R12 compositions
Road is in parallel with metal-oxide-semiconductor Q1, and the absorbing circuit of electric capacity C13 series resistances R13 compositions is in parallel with metal-oxide-semiconductor Q2, resistance R10 and diode
D1 composes in parallel drive circuit connection control circuit metal-oxide-semiconductor Q1 source driving signals, and resistance R11 and diode D2 composes in parallel driving electricity
Road connection control circuit metal-oxide-semiconductor Q1 source driving signals；
The current detecting and comparison circuit include the anti-phase of the resistance R21 being sequentially connected and resistance R24 connection amplifiers U1B
End, the resistance R22 and resistance R25 connection amplifiers U1B in-phase end being sequentially connected, amplifier U1B PI circuits regulation, amplifier U1B
Output end connection sampling resistor R14；Amplifier U1B output end connection RC filter circuits, RC filter circuits connection amplifier U1A's
Inverting input, the constant voltage output pin connection amplifier U1A of MCU central processing units in-phase input end, resistance R15, electricity
Hold C22 and electric capacity C23 composition amplifiers U1A PI circuits regulation circuit.
Further, the MCU central processing unit clocks frequency is 16MHz.
Further, the main control chip is TPS4000.
Another object of the present invention is realized by following technical scheme：
A kind of realization of lithium battery fast charge method includes current constant control stage and Pulse Width Control stage, it is specific include with
The step of lower order：
In step 1 after electricity, central processing circuit and each control detection circuit obtain electric, and central processing unit is adjusted according to voltage x current
The battery voltage threshold of electronic feedback is managed, decision-making circuit enters current constant control stage or Pulse Width Control stage；Work as cell voltage
When threshold value meets or exceeds threshold voltage thresholding, charging circuit is directly entered the Pulse Width Control stage, otherwise, and charging circuit enters permanent
Current charge stage, now charging enters constant current area；
Step 2 is in constant current area, and central processing circuit detects cell voltage in real time, and is controlled according to the indiscriminate ground real-time current that measures
Charging circuit carries out constant-current charge with constant current, and when cell voltage reaches threshold voltage thresholding, constant-current charging phase terminates,
Pulse charge pattern starts；
After step 3 pulse charge pattern starts, charging enter pulse area, when cell voltage be less than blanking voltage thresholding when with
Constant current is started to charge up, and when cell voltage is more than or equal to blanking voltage thresholding, then charging circuit stops charging；Charging circuit
Intermittently to battery with constant current charge, so repeatedly,
Step 4 when dutycycle less than 5% to a certain numerical value between lO% when, terminate charging, whole work process terminates.
The present invention compared with prior art, has the following advantages that and beneficial effect：
1. charging rate：The charging interval of pulse charge method is not acted upon by temperature changes substantially, due to adding
Stop filling depolarising measure so that battery always relatively initial state of charge, so as to the electricity bigger than normal charge method
Stream charges to battery, stops substituting the bad for the good as having delayed the time, but for charging overall process, however accelerate speed.And it is normal
Advise charging method at the same temperature, it is not only longer than the pulse charge method charging interval, and charging when be affected by temperature compared with
Greatly.
2. charging heating：1) pulse charge method employs intermittent charging modes by the reasonable control of charger,
Charging circuit totality caloric value is smaller than custom circuit；2) normal charge method is not stopped to fill and deposited in depolarising measure, charging process
In more certain polarization phenomena, the heat ratio pulse charge method that battery is produced is big.
3. battery capacity：Stop filling under the introducing of depolarising measure, the same terms due to pulse charge process and compare normal charge
Method capacity increases.
In a word, because pulse charge method by stopping fills depolarising measure, lithium cell charging characteristic of preferably having coincide is obtained
Good effect.
Brief description of the drawings
Fig. 1 is a kind of structured flowchart of lithium battery quick charge device of the present invention.
Fig. 2 is the circuit diagram of central processing circuit.
Fig. 3 is the circuit diagram of control circuit.
Fig. 4 is the circuit diagram of charging circuit.
Fig. 5 is the circuit diagram of current detecting and comparison circuit.
Fig. 6 is a kind of lithium cell charging method design sketch of the invention.
Fig. 7 is a kind of flow chart of lithium cell charging method of the invention.
Embodiment
The embodiment to the present invention is illustrated below in conjunction with the accompanying drawings：
The purpose of the present invention is realized by following technical scheme：
As shown in figure 1, a kind of lithium battery quick charge device, including central processing circuit, control circuit, charging circuit,
Voltage detecting circuit and current detecting and comparison circuit.
Central processing circuit is as shown in Fig. 2 including the circuit such as MCU central processing units and power supply, detection, communication.MCU centers
Processor uses Low Power High Performance processor, and clock frequency reaches 16MHz, and quick sampling and processing data, realization pair can be achieved
Control the efficient control of circuit.Cell voltage exports 3.3VDC voltages through low-power dissipation power supply chip and powered to MCU processors, battery
Voltage passes through the RC voltage detecting circuits being made up of C4 and R1 and obtains AD_V_BAT signals, and the voltage detecting of input MCU processors is drawn
Pin 20.Processor pin 14 connects current regulating circuit AD_Current signals；Processor pin 18 draws SS signals and connects control electricity
Road, controls the break-make of control chip；Processor pin 12 exports constant voltage signal, the ratio for current sample modulate circuit
Compared with, thus accurately control charging current size.
Circuit is controlled as shown in figure 3, using the serial main control chips of TPS4000, a decompression PWM with synchronous rectification is controlled
Device, the controller can drive external high-power MOS tube, so as to realize high-power charging.
FB pins are output feedback pin in circuit, voltage output value of feedback are adjusted by R5 and R8 resistance, so that surely
Determine the voltage output of charging circuit.Pin COMP is chip internal error amplifier output and the defeated end of PWM comparator positives.COMP
With the voltage control feedback loop of the common compensating controllers of FB, resistance R3, resistance R4, resistance R5 resistance, electric capacity C5, electric capacity C6,
Electric capacity C7 has collectively constituted compensation network.BOOT is bootstrapping pin, and the pin is supplied electricity to by resistance R6 and electric capacity the C10 charge and discharge given
Metal-oxide-semiconductor grid provides driving power supply.VDD is supply pin, and access decoupling capacitor C9 keeps electrical stability.SS ends be soft start and
Controlling switch, direct-to-ground capacitance C8 size determines soft-start time, the MCU of central processing circuit can by control SS ground connection come
Break-make charging circuit works, so as to realize the break-make charged to battery.SW pins are the switching node of voltage-releasing voltage stabilizer, and connection is certainly
Lift electric capacity C10.HDRV drives charging circuit high side metal-oxide-semiconductor and downside metal-oxide-semiconductor respectively with LDRV pins.BP pins bypass for output
Internal voltage regulator output pin, connect ESR one low bypass ceramic capacitor electric capacity C11.
Charging circuit is as shown in figure 4, use synchronization BUCK translation circuits, and the circuit is using the smaller MOSFET of conducting internal resistance
Continuous current circuit is constituted to substitute Schottky diode, because power MOSFET ON internal resistance is very low, continuous current circuit is greatly reduced
Loss, it is low in energy consumption, radiate small, reliability is high.It is specific as follows：Pairs of the input direct voltage Vin through electric capacity C14~C18 compositions
After ground input filter circuit, metal-oxide-semiconductor Q1, Q1 connection inductance L1 is connected to, the output over the ground through electric capacity C19~C21 compositions is filtered
Circuit charges the battery.Metal-oxide-semiconductor Q2 mono- terminates metal-oxide-semiconductor Q1, other end ground connection.The absorption electricity of electric capacity C12 series resistances R12 compositions
Road is in parallel with metal-oxide-semiconductor Q1, and the absorbing circuit of electric capacity C13 power-up resistance R13 compositions is in parallel with metal-oxide-semiconductor Q2.Resistance R10 and diode D1
Compose in parallel drive circuit connection control circuit metal-oxide-semiconductor Q1 drive signal HDV, resistance R11 and diode D2 and compose in parallel driving electricity
Road connection control circuit metal-oxide-semiconductor Q1 drive signals LDV.
Current detecting and comparison circuit including charging current detection and difference processing circuit and electric current as shown in figure 5, compare
Circuit two parts are constituted.Detection and difference processing circuit include the resistance R21 and resistance R24 being sequentially connected, input amplifier U1B's
End of oppisite phase, the resistance R22 being sequentially connected and resistance R25 input amplifiers U1B in-phase end, resistance R19, resistance R20 and electric capacity C27
Amplifier U1B PI circuits regulation is constituted, amplifier U1B output end flows through sampling resistor R1 acquisition correspondence sampling electricity through being transported into electric current
Pressure, sampled voltage obtains current sampling signal AD_Current through the resistance R18 and electric capacity C26 RC filter circuits constituted, the signal
The anti-phase and in-phase input end that the Iref signals produced with MCU central processing units input amplifier U1A respectively is compared, and is transported
The output VIL signals entered, in the computing for participating in control circuit, resistance R15, electric capacity C22 and electric capacity C23 constitute amplifier U1A's
PI circuits adjust circuit, complete the PI controls of current comparison circuit.
Another object of the present invention is realized by following technical scheme：
As shown in Figure 6, Figure 7, a kind of realization of lithium battery fast charge method includes current constant control stage and Pulse Width Control
Stage, specifically comprising following order the step of：
S1. after upper electricity, central processing circuit and each control detection circuit obtain electric, and central processing unit is nursed one's health according to voltage x current
The battery voltage threshold that electronic feedback is returned, decision-making circuit enters current constant control stage or Pulse Width Control stage；When battery electricity
When pressure threshold value meets or exceeds threshold voltage thresholding (U1), charging circuit is directly entered Pulse Width Control stage, otherwise, charging circuit
Into constant-current charging phase, now charging enters constant current area；
S2. in constant current area, central processing circuit detects cell voltage in real time, and controls to fill according to the indiscriminate ground real-time current that measures
Circuit carries out constant-current charge with constant current (I1), when cell voltage reaches threshold voltage thresholding (U1), constant-current charge rank
Section terminates, and pulse charge pattern starts；
S3. after pulse charge pattern starts, charging enters pulse area, when cell voltage is less than blanking voltage thresholding (U2)
Started to charge up with constant current (I2), when cell voltage is more than or equal to blanking voltage thresholding (U2), then charging circuit stops filling
Electricity；Charging circuit intermittently to battery with constant current charge, so repeatedly.
S4. as battery capacity is more and more fuller, the pulse charge stage every time fill between the stopping time in, the charging interval is increasingly
It is short, stop that the time of filling is increasingly longer, i.e. the pulse period is increasingly longer, and dutycycle is less and less.When dutycycle less than 5% to lO% it
Between a certain numerical value when, terminate charging, whole work process terminates.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of lithium battery quick charge device, including central processing circuit, control circuit, charging circuit, voltage detecting circuit,
Current detecting and comparison circuit, it is characterised in that
The central processing circuit includes MCU central processing units and power supply circuit, telecommunication circuit, and battery is through low-power dissipation power supply chip
MCU processors are connected, the AD pins of MCU processors connect the AD_Current signals of current detecting and comparison circuit；MCU processors
SS pins draw SS signal connection control circuits, for control chip break-make control；The voltage output pin of MCU processors is used
In output constant voltage signal, there is provided to current detecting and comparison circuit；
The voltage detecting circuit includes electric capacity C4 and resistance R1 parallel with one another, and voltage detecting circuit two ends connect MCU respectively
The voltage sense pin and lithium battery of central processing unit, the AD_V_BAT signals for obtaining cell voltage, AD_V_BAT signals
Input the voltage sense pin of MCU processors；
The control circuit includes main control chip and synchronous rectification buck PWM controller, main control chip connection MCU central processing units
Main control chip pin；
PWM controller includes output feedback pin, chip internal error amplifier output and PWM comparator positive output ends and drawn
Pin, bootstrapping pin, supply pin, soft start and controlling switch, the switching node pin of voltage-releasing voltage stabilizer, driving charging circuit high side
Metal-oxide-semiconductor pin, driving charging circuit downside metal-oxide-semiconductor pin, internal voltage regulator output pin；
The charging circuit is that input filter circuit connection metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q1 connection inductance L1, inductance L1 connections are defeated over the ground
Go out filter circuit, the termination metal-oxide-semiconductor Q1 of metal-oxide-semiconductor Q2 mono-, other end ground connection, the absorbing circuit of electric capacity C12 series resistances R12 compositions with
Metal-oxide-semiconductor Q1 is in parallel, and the absorbing circuit of electric capacity C13 series resistances R13 compositions is in parallel with metal-oxide-semiconductor Q2, and resistance R10 and diode D1 is simultaneously
Joint group composes in parallel drive circuit with diode D2 and connect into drive circuit connection control circuit metal-oxide-semiconductor Q1 source driving signals, resistance R11
Control circuit metal-oxide-semiconductor Q1 source driving signals；
The current detecting and comparison circuit include the end of oppisite phase for the resistance R21 and resistance R24 connection amplifiers U1B being sequentially connected,
The resistance R22 and resistance R25 connection amplifiers U1B in-phase end being sequentially connected, amplifier U1B PI circuits regulation, amplifier U1B's is defeated
Go out end connection sampling resistor R14；Amplifier U1B output end connection RC filter circuits, RC filter circuits connection amplifier U1A's is anti-phase
Input, the constant voltage output pin connection amplifier U1A of MCU central processing units in-phase input end, resistance R15, electric capacity C22
Circuit is adjusted with the electric capacity C23 PI circuits for constituting amplifier U1A.
2. lithium battery quick charge device as claimed in claim 1, it is characterised in that the MCU central processing unit clocks frequency
Rate is 16MHz.
3. lithium battery quick charge device as claimed in claim 1, it is characterised in that the main control chip is TPS4000.
4. a kind of lithium battery fast charge method of lithium battery quick charge device according to claim 1, its feature exists
In methods described includes：
In step 1 after electricity, central processing circuit and each control detection circuit obtain electric, and central processing unit is nursed one's health according to voltage x current
The battery voltage threshold of electronic feedback, decision-making circuit enters current constant control stage or Pulse Width Control stage；When cell voltage threshold
When value meets or exceeds threshold voltage thresholding, charging circuit is directly entered the Pulse Width Control stage, otherwise, and charging circuit enters constant current
Charging stage, now charging enters constant current area；
Step 2 is in constant current area, and central processing circuit detects cell voltage in real time, and controls to fill according to the indiscriminate ground real-time current that measures
Circuit carries out constant-current charge with constant current, and when cell voltage reaches threshold voltage thresholding, constant-current charging phase terminates, arteries and veins
Charge mode is rushed to start；
After step 3 pulse charge pattern starts, charging enters pulse area, when cell voltage is less than blanking voltage thresholding with perseverance
Determine electric current to start to charge up, when cell voltage is more than or equal to blanking voltage thresholding, then charging circuit stops charging；Between charging circuit
Having a rest property to battery with constant current charge, so repeatedly,
Step 4 terminates charging, whole work process terminates when dutycycle is less than a certain numerical value between 5% to 10%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710255668.4A CN107040019A (en) | 2017-04-19 | 2017-04-19 | A kind of lithium battery quick charge device and charging method |
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| CN201710255668.4A CN107040019A (en) | 2017-04-19 | 2017-04-19 | A kind of lithium battery quick charge device and charging method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492692A (en) * | 2017-08-18 | 2017-12-19 | 深圳天珑无线科技有限公司 | Method for charging batteries, device and computer-readable recording medium |
| CN108155708A (en) * | 2018-02-11 | 2018-06-12 | 深圳市富登科技有限公司 | A kind of wearable electronic equipment power supply method and device |
| CN109873471A (en) * | 2019-03-01 | 2019-06-11 | 安徽瑞赛克再生资源技术股份有限公司 | A kind of battery charger and charging method |
| CN110119177A (en) * | 2018-02-07 | 2019-08-13 | 珠海市一微半导体有限公司 | A kind of integrated circuit and its power circuit of low pressure manufacturing process |
| CN110611352A (en) * | 2019-09-27 | 2019-12-24 | 天津七六四通信导航技术有限公司 | Lithium battery charging circuit based on charging management chip |
| CN111211366A (en) * | 2019-05-13 | 2020-05-29 | 浙江万马新能源有限公司 | Thermal equalization method suitable for ultra-fast charging lithium ion battery pack |
| CN111601422A (en) * | 2020-05-27 | 2020-08-28 | 维沃移动通信有限公司 | Starting circuit and electronic equipment |
| CN111698809A (en) * | 2019-03-13 | 2020-09-22 | 益力半导体股份有限公司 | Low-dimming fast driving system, method and controller |
| CN112733426A (en) * | 2020-12-16 | 2021-04-30 | 国创新能源汽车智慧能源装备创新中心(江苏)有限公司 | Pulse charging frequency optimization method and device for electric automobile |
| DE102022200721A1 (en) | 2022-01-24 | 2023-07-27 | Volkswagen Aktiengesellschaft | Method for operating a battery system during a charging process |
-
2017
- 2017-04-19 CN CN201710255668.4A patent/CN107040019A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492692A (en) * | 2017-08-18 | 2017-12-19 | 深圳天珑无线科技有限公司 | Method for charging batteries, device and computer-readable recording medium |
| CN110119177A (en) * | 2018-02-07 | 2019-08-13 | 珠海市一微半导体有限公司 | A kind of integrated circuit and its power circuit of low pressure manufacturing process |
| CN108155708A (en) * | 2018-02-11 | 2018-06-12 | 深圳市富登科技有限公司 | A kind of wearable electronic equipment power supply method and device |
| CN109873471A (en) * | 2019-03-01 | 2019-06-11 | 安徽瑞赛克再生资源技术股份有限公司 | A kind of battery charger and charging method |
| CN111698809A (en) * | 2019-03-13 | 2020-09-22 | 益力半导体股份有限公司 | Low-dimming fast driving system, method and controller |
| CN111211366B (en) * | 2019-05-13 | 2021-05-11 | 浙江万马新能源有限公司 | Thermal equalization method suitable for ultra-fast charging lithium ion battery pack |
| CN111211366A (en) * | 2019-05-13 | 2020-05-29 | 浙江万马新能源有限公司 | Thermal equalization method suitable for ultra-fast charging lithium ion battery pack |
| CN110611352A (en) * | 2019-09-27 | 2019-12-24 | 天津七六四通信导航技术有限公司 | Lithium battery charging circuit based on charging management chip |
| CN111601422A (en) * | 2020-05-27 | 2020-08-28 | 维沃移动通信有限公司 | Starting circuit and electronic equipment |
| CN111601422B (en) * | 2020-05-27 | 2022-03-18 | 维沃移动通信有限公司 | Starting circuit and electronic equipment |
| CN112733426A (en) * | 2020-12-16 | 2021-04-30 | 国创新能源汽车智慧能源装备创新中心(江苏)有限公司 | Pulse charging frequency optimization method and device for electric automobile |
| CN112733426B (en) * | 2020-12-16 | 2022-10-04 | 国创移动能源创新中心(江苏)有限公司 | Pulse charging frequency optimization method and device for electric automobile |
| DE102022200721A1 (en) | 2022-01-24 | 2023-07-27 | Volkswagen Aktiengesellschaft | Method for operating a battery system during a charging process |
| DE102022200721B4 (en) | 2022-01-24 | 2024-05-16 | Volkswagen Aktiengesellschaft | Method for operating a battery system during a charging process |
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Application publication date: 20170811 |