CN110165880A - A kind of circuit and method of stable switch circuit output voltage - Google Patents
A kind of circuit and method of stable switch circuit output voltage Download PDFInfo
- Publication number
- CN110165880A CN110165880A CN201910449649.4A CN201910449649A CN110165880A CN 110165880 A CN110165880 A CN 110165880A CN 201910449649 A CN201910449649 A CN 201910449649A CN 110165880 A CN110165880 A CN 110165880A
- Authority
- CN
- China
- Prior art keywords
- circuit
- output voltage
- output
- resistance
- detecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004146 energy storage Methods 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 239000004065 semiconductor Substances 0.000 claims description 17
- 239000003990 capacitor Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 8
- 230000001052 transient effect Effects 0.000 abstract description 3
- 238000012790 confirmation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The embodiment of the invention discloses the circuits and method of a kind of stable switch circuit output voltage, including the booster driving circuit being connect with switching circuit, with tension discharge circuit for detecting, output voltage values for detection switch circuit, and when output voltage is less than first threshold, it controls accumulator to discharge to switching circuitry output, increases output voltage values；High-voltage energy storage circuit for detecting, for the output voltage values of detection switch circuit, and when output voltage is greater than second threshold, control accumulator is charged using output voltage, reduces output voltage values；Accumulator carries out charge and discharge for the output end to switching circuit.The present invention is discharged when output voltage is too low by accumulator, and output voltage is increased, it when output voltage is excessively high, is charged by accumulator, reduces output voltage, it is excessive to avoid circuit unlatching moment transient current, realizes the dynamic regulation to output voltage, circuit reliability is high.
Description
Technical field
The present invention relates to switching circuits to export control technology field, specifically a kind of stable switch circuit output voltage
Circuit and method.
Background technique
Switching circuit is analyzed and processed input signal after receiving the signal of input terminal, is exported by output end
Voltage signal realizes the control to circuit elements working conditions such as loads.
Existing switching circuit relies on output end setting capacitor, when output end has voltage output, charges to capacitor,
Carry out pressure stabilizing adjusting.However capacitance is fixed, and can not be adjusted according to practical working situation, and excessive output capacitance
It brings circuit and opens the excessive problem of moment transient current.
Summary of the invention
The circuit and method of a kind of stable switch circuit output voltage are provided in the embodiment of the present invention, to solve existing skill
Switching circuit opens the big problem of moment surge current in art.
In order to solve the above-mentioned technical problem, the embodiment of the invention discloses following technical solutions:
The present invention provides first aspects to provide a kind of circuit of stable switch circuit output voltage, including electric with switch
The booster driving circuit of road connection, and
Tension discharge circuit for detecting, for the output voltage values of detection switch circuit, and in output voltage less than the first threshold
When value, control accumulator discharges to switching circuitry output, increases output voltage values；
High-voltage energy storage circuit for detecting is greater than the second threshold for the output voltage values of detection switch circuit, and in output voltage
When value, control accumulator is charged using output voltage, reduces output voltage values；
Accumulator carries out charge and discharge for the output end to switching circuit.
Further, the circuit further includes switching circuit, and the switching circuit is for switching tension discharge circuit for detecting
With the working condition of high-voltage energy storage circuit for detecting.
Further, the tension discharge circuit for detecting includes the first detecting unit, the second detecting unit and logical process
Unit；
First detecting unit utilizes the output voltage values of the first bleeder circuit detection switch circuit, small in the first partial pressure
When normal voltage, high level signal is exported；
Second detecting unit is greater than using the energy storage situation of the second bleeder circuit detecting accumulator in the second partial pressure
When normal voltage, high level signal is exported；
Accumulator when the first detecting unit and the second detecting power supply export high level signal, open by control accumulator
Begin to discharge.
Further, first detecting unit includes resistance R1, the output end of one end connection switch circuit of resistance R1,
The other end is separately connected one end of resistance R2 and the reverse input end of comparator M1, the other end ground connection of resistance R2, comparator M1
Positive input connect standard voltage source；Second detecting unit includes resistance R3, one end connection storage electricity of resistance R3
Road, the other end are separately connected one end of resistance R4 and the positive input of comparator M2, the other end ground connection of resistance R4, comparator
The reverse input end of M2 connects standard voltage source；The Logical processing unit includes and door U1, comparator M1 and comparator M2
Output end is separately connected the input terminal with door U1, connect accumulator with the output end of door U1.
Further, the high-voltage energy storage circuit for detecting includes resistance R5, one end connection switch circuit of resistance R5 it is defeated
Outlet, the other end are separately connected one end of resistance R6 and the positive input of comparator M3, and the other end ground connection of resistance R6 is compared
The negative input of device M3 connects standard voltage source, and the output end of M3 connects accumulator.
Further, the accumulator includes metal-oxide-semiconductor Q1, the output end of the drain electrode connection switch circuit of metal-oxide-semiconductor Q1, grid
The output end of pole connection and door U1, source electrode are separately connected the cathode of one end of capacitor C2, one end of resistance R3 and diode D2, electricity
Hold another tip node of C2, the anode of diode D2 connects the source electrode of metal-oxide-semiconductor Q2, the drain electrode connection switch circuit of metal-oxide-semiconductor Q2
Output end.
Further, the switching circuit includes metal-oxide-semiconductor Q3, the output end of the grid connection comparator M2 of metal-oxide-semiconductor Q3, leakage
Pole is grounded by resistance R7, and source electrode connects one end of resistance R6.
Further, the booster driving circuit includes diode D1, the positive connection switch circuit of the diode D1
Input terminal, cathode pass through the output end of resistance C1 connection switch circuit.
Second aspect of the present invention provides a kind of method of stable switch circuit output voltage, based on described in claim
Circuit, the method includes,
The size of detection switch circuit output voltage value, and by the output voltage values respectively with first threshold and second threshold
It is compared；
When output voltage is less than first threshold, control accumulator discharges to switching circuitry output, increases output electricity
Pressure value；
When output voltage is greater than second threshold, control accumulator is charged using output voltage, reduces output voltage values.
Further, the method also includes,
According to the energy storage situation and output voltage values of accumulator, switch tension discharge circuit for detecting and high-voltage energy storage detecting
The working condition of circuit.
The effect provided in summary of the invention is only the effect of embodiment, rather than invents all whole effects, above-mentioned
A technical solution in technical solution have the following advantages that or the utility model has the advantages that
The height of tension discharge circuit for detecting and high-voltage energy storage circuit for detecting real-time monitoring switching circuitry output voltage, and
It when output voltage is too low, is discharged by accumulator, increases output voltage and pass through accumulator when output voltage is excessively high
Charging reduces output voltage, avoids circuit and opens the excessive problem of moment transient current, realizes the dynamic tune to output voltage
Section.Increase switching circuit simultaneously, tension discharge circuit for detecting and high-voltage energy storage circuit for detecting are switched over, guarantees two circuits not
It can work at the same time, it is ensured that the reliability of circuit.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of circuit of the present invention；
Fig. 2 is the circuit diagram of the embodiment of the present invention；
Fig. 3 is the schematic diagram of the method for the invention；
In figure, 1 booster driving circuit, 2 tension discharge circuit for detecting, 3 high-voltage energy storage circuit for detecting, 4 accumulators, 5 are cut
Change circuit.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair
It is bright to be described in detail.Following disclosure provides many different embodiments or example is used to realize different knots of the invention
Structure.In order to simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relationship between various embodiments and/or setting is discussed.It should be noted that illustrated component is not necessarily to scale in the accompanying drawings
It draws.Present invention omits the descriptions to known assemblies and treatment technology and process to avoid the present invention is unnecessarily limiting.
As shown in Figure 1, 2, the circuit of stable switch circuit output voltage of the present invention includes that booster driving circuit 1, voltage are put
Electric circuit for detecting 2, high-voltage energy storage circuit for detecting 3, accumulator 4 and switching circuit 5.
Booster driving circuit 1 is separately connected the input terminal and output end of switching circuit, and booster driving circuit 1 includes capacitor C1
With diode D1, the positive connection switch circuit input end of diode D1, cathode passes through the output of resistance C1 connection switch circuit
End.Output voltage charges to capacitor C1 by diode D1, and after circuit work, output voltage Vout rises, and is formed certainly
Circuit is lifted, guarantees that driving voltage Vdriver is greater than input voltage vin and output voltage Vout.
Tension discharge circuit for detecting 2 is separately connected the output end and accumulator 4 of switching circuit, is used for detection switch circuit
Output voltage values, and output voltage be less than first threshold when, control accumulator 4 to switching circuitry output discharge, increase
Big output voltage values.
Tension discharge circuit for detecting 2 includes the first detecting unit, the second detecting unit and Logical processing unit, the first detecting
The output end of the input terminal connection switch circuit of unit, the first of the output end connection Logical processing unit of the first detecting unit are defeated
Enter end, the input terminal of the second detecting unit connects accumulator, the output end connection Logical processing unit of the second detecting unit
The output end of second input terminal, Logical processing unit connects accumulator.
First detecting unit utilizes the output voltage values of the first bleeder circuit detection switch circuit of resistance R1 and R2 composition,
When the first partial pressure is less than normal voltage, high level signal is exported.First detecting unit includes resistance R1, and one end of resistance R1 connects
The output end of switching circuit is connect, the other end is separately connected one end of resistance R2 and the reverse input end of comparator M1, resistance R2's
The positive input of other end ground connection, comparator M1 connects standard voltage source；Standard voltage source can use input voltage and pass through
Zener diode or reference voltage circuit are formed.Second detecting unit utilizes the second partial pressure electricity using resistance R3 and R4 composition
The energy storage situation of accumulator is detected on road, when the second partial pressure is greater than normal voltage, exports high level signal.Second detecting unit
Including resistance R3, one end of resistance R3 connects storage circuit, and one end that the other end is separately connected resistance R4 and comparator M2 are just
To input terminal, the other end of resistance R4 is grounded, and the reverse input end of comparator M2 connects standard voltage source；Logical processing unit packet
It includes and is separately connected input terminal with door U1 with the output end of door U1, comparator M1 and comparator M2, connect with the output end of door U1
Accumulator.
Output voltage Vout by resistance R1 and R2 divide after, formation first partial pressure as comparator M1 negative end and
Using input voltage formed standard voltage source as forward end be compared, when first partial pressure be less than standard voltage source voltage
When M1 output HIGH voltage, output end voltage is too low that accumulator is needed to discharge for confirmation.In addition, in accumulator 4 capacitor C2 electricity
What the second partial pressure that pressure is formed after being divided by resistance R3 and R4 was formed as the forward end of comparator M2 and using input voltage
The negative end that standard voltage source is used as is compared, only the high electricity of M2 output when the second partial pressure is greater than standard voltage source voltage
Pressure, confirmation accumulator have a discharging condition, and as the input terminal with door U1, only M1 and M2 are exported the output end of M1 and M2
When high voltage, U1 output HIGH voltage.
High-voltage energy storage circuit for detecting 3 is separately connected the output end and accumulator 4 of switching circuit, is used for detection switch circuit
Output voltage values, and output voltage be greater than second threshold when, control accumulator using output voltage charge, reduce export
Voltage value.
Voltage value between first threshold and second threshold thinks stable output voltage, first threshold and second threshold
Specific value can will be gone according to specific circuit to set.
High-voltage energy storage circuit for detecting includes resistance R5, the output end of one end connection switch circuit of resistance R5, the other end point
Not Lian Jie one end of resistance R6 and the positive input of comparator M3, the other end ground connection of resistance R6, the negative sense of comparator M3 is defeated
Enter end connection standard voltage source, the output end of M3 connects accumulator.
The third that output voltage Vout is formed after being divided by resistance R5 and R6 divides the forward end as comparator M3, with
Using input voltage formed standard voltage source as negative end be compared, when third partial pressure be greater than standard voltage source voltage when
M3 output HIGH voltage, confirmation output end voltage is excessively high, and accumulator 4 can charge.
Accumulator 4 is used to carry out the output end of switching circuit charge and discharge, including the drain electrode of metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q1 connect
The output voltage Vout of switching circuit, the output end of grid connection and door U1 are met, source electrode is separately connected one end of capacitor C2, resistance
One end of R3 and the cathode of diode D2, the other end ground connection of capacitor C2, the source electrode of the anode connection metal-oxide-semiconductor Q2 of diode D2,
The output end of the drain electrode connection switch circuit of metal-oxide-semiconductor Q2.
When tension discharge 2 output HIGH voltage of circuit for detecting, N-Mosfet Q1 conducting, and height is turned off by switching circuit 5
Energy storage circuit for detecting 3 is pressed to export, capacitor C2 discharges to output voltage Vout, promotes output voltage Vout, works as high-voltage energy storage
When 3 output HIGH voltage of output circuit, N-Mosfet Q2 conducting, output voltage Vout fills capacitor C2 by diode D2
Electricity drags down output voltage Vout, and avoids flowing back using diode D2.
Switching circuit 5 is used to switch the working condition of tension discharge circuit for detecting and high-voltage energy storage circuit for detecting, including MOS
The output end of the grid connection comparator M2 of pipe Q3, metal-oxide-semiconductor Q3, drain electrode are grounded by resistance R7, and source electrode connects the one of resistance R6
End.When tension discharge circuit for detecting 2 confirms that accumulator 4 has discharging condition, when M2 output HIGH voltage, N-Mosfet Q3
Conducting, resistance R7 is in parallel with resistance R6 in high-voltage energy storage circuit for detecting 3, makes third partial pressure decline in high-voltage energy storage circuit for detecting 3,
Voltage requirement when improving 3 output HIGH voltage of high-voltage energy storage circuit for detecting to output voltage Vout, it is ensured that two circuit for detecting are not
Meeting while output HIGH voltage.
As shown in figure 3, a kind of method of stable switch circuit output voltage of the present invention includes:
S1, the size of detection switch circuit output voltage value, and by the output voltage values respectively with first threshold and second
Threshold value is compared；
S2, when output voltage is less than first threshold, control accumulator discharges to switching circuitry output, increases output
Voltage value；
S3, when output voltage is greater than second threshold, control accumulator is charged using output voltage, reduces output voltage
Value.
Output voltage is realized compared with normal voltage compared with first threshold by the first bleeder circuit, by setting
The resistance value for setting resistance R1 and R2, by the height of the first partial pressure and normal voltage multilevel iudge output voltage.Similarly output voltage with
The comparison of second threshold is realized compared with normal voltage by the second bleeder circuit.
According to the energy storage situation and output voltage values of accumulator in this method, switch tension discharge circuit for detecting and high pressure
The working condition of energy storage circuit for detecting.
The above is the preferred embodiment of the present invention, for those skilled in the art,
Without departing from the principles of the invention, several improvements and modifications can also be made, these improvements and modifications are also regarded as this hair
Bright protection scope.
Claims (10)
1. a kind of circuit of stable switch circuit output voltage, characterized in that including the boosting driving electricity being connect with switching circuit
Road, and
Tension discharge circuit for detecting, for the output voltage values of detection switch circuit, and when output voltage is less than first threshold,
It controls accumulator to discharge to switching circuitry output, increases output voltage values；
High-voltage energy storage circuit for detecting, for the output voltage values of detection switch circuit, and when output voltage is greater than second threshold,
It controls accumulator to charge using output voltage, reduces output voltage values；
Accumulator carries out charge and discharge for the output end to switching circuit.
2. a kind of circuit of stable switch circuit output voltage according to claim 1, characterized in that the circuit also wraps
Switching circuit is included, the switching circuit is used to switch the working condition of tension discharge circuit for detecting and high-voltage energy storage circuit for detecting.
3. a kind of circuit of stable switch circuit output voltage according to claim 2, characterized in that the tension discharge
Circuit for detecting includes the first detecting unit, the second detecting unit and Logical processing unit；
First detecting unit utilizes the output voltage values of the first bleeder circuit detection switch circuit, is less than mark in the first partial pressure
When quasi- voltage, high level signal is exported；
Second detecting unit is greater than standard in the second partial pressure using the energy storage situation of the second bleeder circuit detecting accumulator
When voltage, high level signal is exported；
When the first detecting unit and the second detecting power supply export high level signal, control accumulator starts to put accumulator
Electricity.
4. a kind of circuit of stable switch circuit output voltage according to claim 3, characterized in that first detecting
Circuit includes resistance R1, the output end of one end connection switch circuit of resistance R1, the other end be separately connected resistance R2 one end and
The reverse input end of comparator M1, the other end ground connection of resistance R2, the positive input of comparator M1 connect standard voltage source；Institute
Stating the second circuit for detecting includes resistance R3, and one end of resistance R3 connects storage circuit, and the other end is separately connected one end of resistance R4
It is grounded with the other end of the positive input of comparator M2, resistance R4, the reverse input end of comparator M2 connects standard voltage source；
The Logical processing unit includes the input terminal being separately connected with the output end of door U1, comparator M1 and comparator M2 with door U1,
Accumulator is connect with the output end of door U1.
5. a kind of circuit of stable switch circuit output voltage according to claim 3, characterized in that the high-voltage energy storage
Circuit for detecting includes resistance R5, the output end of one end connection switch circuit of resistance R5, and the other end is separately connected the one of resistance R6
The positive input at end and comparator M3, the other end ground connection of resistance R6, the negative input of comparator M3 connect normal voltage
The output end in source, M3 connects accumulator.
6. a kind of circuit of stable switch circuit output voltage according to claim 5, characterized in that the accumulator
Including metal-oxide-semiconductor Q1, the output end of the drain electrode connection switch circuit of metal-oxide-semiconductor Q1, the output end of grid connection and door U1, source electrode difference
One end, one end of resistance R3 and the cathode of diode D2 of capacitor C2 are connected, another tip node of capacitor C2, diode D2 is just
Pole connects the source electrode of metal-oxide-semiconductor Q2, the output end of the drain electrode connection switch circuit of metal-oxide-semiconductor Q2.
7. a kind of circuit of stable switch circuit output voltage according to claim 6, characterized in that the switching circuit
Including metal-oxide-semiconductor Q3, the output end of the grid connection comparator M2 of metal-oxide-semiconductor Q3, drain electrode is grounded by resistance R7, and source electrode connects resistance
One end of R6.
8. a kind of circuit of stable switch circuit output voltage according to claim 1 or 2, characterized in that the boosting
Driving circuit includes diode D1, and the positive connection switch circuit input end of the diode D1, cathode is connected by resistance C1
The output end of switching circuit.
9. a kind of method of stable switch circuit output voltage is based on the described in any item circuits of claim 1-7, feature
It is, the method includes,
The size of detection switch circuit output voltage value, and the output voltage values are carried out with first threshold and second threshold respectively
Compare；
When output voltage is less than first threshold, control accumulator discharges to switching circuitry output, increases output voltage values；
When output voltage is greater than second threshold, control accumulator is charged using output voltage, reduces output voltage values.
10. a kind of method of stable switch circuit output voltage according to claim 9, characterized in that the method is also
Including,
According to the energy storage situation and output voltage values of accumulator, switch tension discharge circuit for detecting and high-voltage energy storage circuit for detecting
Working condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449649.4A CN110165880B (en) | 2019-05-28 | 2019-05-28 | Circuit and method for stabilizing output voltage of switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449649.4A CN110165880B (en) | 2019-05-28 | 2019-05-28 | Circuit and method for stabilizing output voltage of switching circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110165880A true CN110165880A (en) | 2019-08-23 |
| CN110165880B CN110165880B (en) | 2024-04-02 |
Family
ID=67629244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910449649.4A Active CN110165880B (en) | 2019-05-28 | 2019-05-28 | Circuit and method for stabilizing output voltage of switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110165880B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220181897A1 (en) * | 2020-12-04 | 2022-06-09 | Schneider Electric It Corporation | Method to enhance the life of a lithium battery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312144A (en) * | 2013-07-03 | 2013-09-18 | 上海路千电子科技有限公司 | Active-control valley fill circuit and control method thereof |
| CN209896901U (en) * | 2019-05-28 | 2020-01-03 | 苏州浪潮智能科技有限公司 | Circuit for stabilizing output voltage of switching circuit |
-
2019
- 2019-05-28 CN CN201910449649.4A patent/CN110165880B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312144A (en) * | 2013-07-03 | 2013-09-18 | 上海路千电子科技有限公司 | Active-control valley fill circuit and control method thereof |
| CN209896901U (en) * | 2019-05-28 | 2020-01-03 | 苏州浪潮智能科技有限公司 | Circuit for stabilizing output voltage of switching circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220181897A1 (en) * | 2020-12-04 | 2022-06-09 | Schneider Electric It Corporation | Method to enhance the life of a lithium battery |
| US11888340B2 (en) * | 2020-12-04 | 2024-01-30 | Schneider Electric It Corporation | Method to enhance the life of a lithium battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110165880B (en) | 2024-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110880737A (en) | Charging chip, overvoltage protection circuit thereof and portable electronic equipment | |
| CN105337502B (en) | A kind of low consumption circuit energy acquisition circuit | |
| CN111969577A (en) | Low-power-consumption reverse connection protection circuit for vehicle and control method thereof | |
| CN207652086U (en) | A kind of battery management system multichannel wake-up circuit | |
| CN108322030A (en) | A kind of novel discharge circuit and method | |
| CN205248853U (en) | Power supply circuit | |
| CN110165880A (en) | A kind of circuit and method of stable switch circuit output voltage | |
| CN203984377U (en) | One is with soft start and turn-off switching circuit fast | |
| CN108964459A (en) | A kind of DC-DC booster circuit and control method | |
| CN108880252A (en) | Linear constant current circuit | |
| CN105006860A (en) | Controllable charge and discharge apparatus and voltage-equalizing circuit of a supercapacitor based on apparatus | |
| CN203377778U (en) | Active control valley-fill circuit | |
| CN205566112U (en) | Electric capacity series mode voltage balancing circuit for converter | |
| CN217824301U (en) | Charging control circuit and energy storage equipment | |
| CN204794241U (en) | Controllable discharge device that fills reaches equalizer circuit based on super capacitor of this device | |
| CN209896901U (en) | Circuit for stabilizing output voltage of switching circuit | |
| CN207939231U (en) | A kind of system of intelligent control power supply electric discharge | |
| CN203368322U (en) | Low-loss series capacitor voltage-sharing device | |
| CN206250994U (en) | A kind of AC DC power supply circuits | |
| CN213027822U (en) | Switching power supply constant current circuit, switching power supply chip and turn-off circuit | |
| CN204331523U (en) | Voltage-regulating circuit | |
| CN209748236U (en) | Discrete power supply charging circuit | |
| CN103326327A (en) | Floating charger over-current protection circuit | |
| CN202997918U (en) | Power supply chip output voltage ripple suppression circuit | |
| CN205355915U (en) | Weak wind of low light level control circuit that charges |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |