CN109391151A - Cascade step-up dc-dc converter - Google Patents
Cascade step-up dc-dc converter Download PDFInfo
- Publication number
- CN109391151A CN109391151A CN201811336710.6A CN201811336710A CN109391151A CN 109391151 A CN109391151 A CN 109391151A CN 201811336710 A CN201811336710 A CN 201811336710A CN 109391151 A CN109391151 A CN 109391151A
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- capacitor
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- storage module
- inductance
- electronic switch
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- 239000003990 capacitor Substances 0.000 claims abstract description 88
- 238000004146 energy storage Methods 0.000 claims abstract description 55
- 239000004065 semiconductor Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000004088 simulation Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 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
- 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
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- 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
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
A kind of cascade step-up dc-dc converter, including capacitor and inductor energy-storage module 1 to capacitor and inductor energy-storage module n, inductance L1 to inductance Ln-1 and capacitor Co, capacitor and inductor energy-storage module j includes diode Dj_1, capacitor Cj_1, inductance Lj_1 and electronic switch Sj again, electronic switch Sj includes that the value range of diode Dj_2, N-type metal-oxide-semiconductor Mj_1 and controller j, j are 1 to n.The present invention has following operating characteristic: circuit structure is simple, be easy to extend, applicable control method multiplicity, high efficiency, output and input electric current is continuous, output with input voltage altogether and polarity is consistent, output voltage Vo is more than or equal to direct current power source voltage Vi.
Description
Technical field
The present invention relates to DC-DC (DC-DC) converter, especially one kind, to output and input electric current continuous and input
With the cascade step-up dc-dc converter of output voltage same polarity, the basic unit that can be used as high step-up ratio sets up multi input
With the DC power system of multi output, such as: DC power supplier parallel system, LED array drive system, distributed photovoltaic power generation
System etc..
Background technique
The existing basic DC-DC converter with boost function includes Boost, One Buck-Boost converter body, Cuk
Converter, Sepic converter and Zeta converter.As listed in table 1, in the case where not considering output capacitance, above-mentioned this 5 kinds tools
There is the basic DC-DC converter of boost function to be all unsatisfactory for " it is continuous and output and input voltage homopolarity outputting and inputting electric current
The requirement of property ".
Table 1
Cascade is to obtain the conventional means of high step-up ratio.When being cascaded using above-mentioned basic DC-DC converter, only
The combination of Boost or Speic and Zeta or the combination of Cuk and Cuk, which can meet, " outputs and inputs continuous electric current and input and defeated
The requirement of voltage same polarity out ".But there are the discontinuous problems of electric current inside the combination of Boost or Speic and Zeta, and
The combination of Cuk and Cuk then there are problems that outputting and inputting not altogether.
Summary of the invention
In order to overcome the step-up DC-DC of existing " output and input electric current continuous and output and input voltage same polarity "
There are the discontinuous problem of electric current and Cuk and Cuk inside the combination of Boost or Speic and Zeta in converter concatenated schemes
Combination there are problems that outputting and inputting not altogether, the present invention provides a kind of cascade step-up dc-dc converter, Neng Goushi
Electric current is still continuous between existing grade and outputs and inputs totally, expands the cascade sort of DC-DC converter with this.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of cascade step-up dc-dc converter, including capacitor and inductor energy-storage module 1 to capacitor and inductor energy-storage module n,
Inductance L1 is to inductance Ln-1 and capacitor Co, and capacitor and inductor energy-storage module j is with port Vij+, port Voj+ and port Gndj, electricity
Hold inductive energy storage module 1 port Vi1+ be connected with the anode of DC power supply Vi, the port Vo1+ of capacitor and inductor energy-storage module 1 and
One end of inductance L1 is connected, and the other end of inductance L1 is connected with the port Vi2+ of capacitor and inductor energy-storage module 2, and so on, electricity
The other end of sense Ln-1 is connected with the port Vin+ of capacitor and inductor energy-storage module n, and the port Von+ of capacitor and inductor energy-storage module n is same
When with one end of capacitor Co and load one end of Z and be connected, the other end for loading Z is electric with the other end of capacitor Co, capacitor simultaneously
The port Gndj of sense energy-storage module j is connected with the negative terminal of DC power supply Vi, and the value range of j is 1 to n, the capacitor and inductor storage
Energy module j includes that diode Dj_1, capacitor Cj_1, inductance Lj_1 and electronic switch Sj, the electronic switch Sj have port aj
With port bj, the anode of diode Dj_1 while the port with the port Vij+ and electronic switch Sj of capacitor and inductor energy-storage module j
Aj is connected, and the cathode of diode Dj_1 is connected with the port Voj+ of one end of capacitor Cj_1 and capacitor and inductor energy-storage module j simultaneously,
The port bj of electronic switch Sj is connected with one end of the other end of capacitor Cj_1 and inductance Lj_1 simultaneously, the other end of inductance Lj_1
It is connected with the port Gndj of capacitor and inductor energy-storage module j.
The solution of the present invention, when electronic switch S1 cut-off when, diode D1_1 conducting, DC power supply Vi, diode D1_1,
Inductance L1 and capacitor and inductor energy-storage module 2 constitute a circuit, DC power supply Vi, diode D1_1, capacitor C1_1 and inductance L1_
1 constitutes another circuit.
When electronic switch S1 conducting, diode D1_1 cut-off, DC power supply Vi, electronic switch S1 and inductance L1_1 are constituted
One circuit, DC power supply Vi, electronic switch S1, capacitor C1_1, inductance L1 and capacitor and inductor energy-storage module 2 constitute another time
Road.
And so on, when electronic switch Sn cut-off, diode Dn_1 conducting, capacitor and inductor energy-storage module n-1, inductance
Ln-1, diode Dn_1, capacitor Co and load Z constitute a circuit, capacitor and inductor energy-storage module n-1, inductance Ln-1, diode
Dn_1, capacitor Cn_1 and inductance Ln_1 constitute another circuit.
When electronic switch Sn conducting, diode Dn_1 cut-off, capacitor and inductor energy-storage module n-1, inductance Ln-1, electronic cutting
Close Sn and inductance Ln_1 and constitute a circuit, capacitor and inductor energy-storage module n-1, inductance Ln-1, electronic switch Sn, capacitor Cn_1,
Capacitor Co and load Z constitute another circuit.
Further, the electronic switch Sj uses the electronic switch of one-way conduction, i.e. its electric current when electronic switch Sj is connected
It flows into from port aj and is flowed out from port bj.The preferred embodiment is electric current reflux in order to prevent.
Further, the electronic switch Sj includes diode Dj_2, N-type metal-oxide-semiconductor Mj_1 and controller j, the control
Device j has port vgj, and the anode of diode Dj_2 is connected with the port aj of the electronic switch Sj, the cathode of diode Dj_2
It is connected with the drain electrode of N-type metal-oxide-semiconductor Mj_1, the source electrode of N-type metal-oxide-semiconductor Mj_1 is connected with the port bj of the electronic switch Sj, N-type
The gate pole of metal-oxide-semiconductor Mj_1 is connected with the port vgj of the controller j.
The controller j determines the working condition of N-type metal-oxide-semiconductor Mj_1, and the controller j uses power supply control chip.
Further, the controller 1 to controller n output signal vgs1 to vgsn phase successively lag setting
Angle, θ, the value range of θ are 0 to 2 π.
Technical concept of the invention are as follows: n capacitor and inductor energy-storage module is cascaded up using n-1 inductance, was both realized
High-gain and efficient boosting inverter, but realize continuous input current, electric current is continuous, output electric current is continuous between grade, input and
Output common ground and output voltage polarity is constant.
Beneficial effects of the present invention are mainly manifested in: the cascade step-up dc-dc converter circuit structure is simple, easy
In extension, applicable control method multiplicity, there is high efficiency, output and input continuous electric current, output and input voltage altogether
And polarity is consistent, operating characteristic of the output voltage Vo more than or equal to direct current power source voltage Vi.
Detailed description of the invention
Fig. 1 is circuit diagram of the invention.
Fig. 2 be in the present invention controller 1 to the timing diagram of controller n output signal.
Simulation work waveform diagram of embodiment of the present invention under conditions of θ=0 when Fig. 3 is n=3.
Simulation work waveform diagram of the embodiment of the present invention under conditions of π/3 of θ=2 when Fig. 4 is n=3.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig.1~Fig. 4, a kind of cascade step-up dc-dc converter, including capacitor and inductor energy-storage module 1 are to capacitor
Inductive energy storage module n, inductance L1 are to inductance Ln-1 and capacitor Co, and capacitor and inductor energy-storage module j is with port Vij+, port Voj+
It is connected with the port Vi1+ of port Gndj, capacitor and inductor energy-storage module 1 with the anode of DC power supply Vi, capacitor and inductor energy-storage module
1 port Vo1+ is connected with one end of inductance L1, the port Vi2+ phase of the other end and capacitor and inductor energy-storage module 2 of inductance L1
Even, and so on, the other end of inductance Ln-1 is connected with the port Vin+ of capacitor and inductor energy-storage module n, capacitor and inductor energy storage mould
The port Von+ of block n simultaneously with one end of capacitor Co and load one end of Z and be connected, load the other end of Z and meanwhile with capacitor Co
The other end, capacitor and inductor energy-storage module j port Gndj be connected with the negative terminal of DC power supply Vi, the value range of j is 1 to n,
Capacitor and inductor energy-storage module j includes diode Dj_1, capacitor Cj_1, inductance Lj_1 and electronic switch Sj, the electronic switch Sj
With port aj and port bj, the anode of diode Dj_1 while port Vij+ and electronic cutting with capacitor and inductor energy-storage module j
The port aj for closing Sj is connected, the cathode of diode Dj_1 simultaneously with one end of capacitor Cj_1 and the end of capacitor and inductor energy-storage module j
Mouth Voj+ is connected, and the port bj of electronic switch Sj is connected with one end of the other end of capacitor Cj_1 and inductance Lj_1 simultaneously, inductance
The other end of Lj_1 is connected with the port Gndj of capacitor and inductor energy-storage module j.
Further, to prevent electric current reflux, the electronic switch Sj uses the electronic switch of one-way conduction, i.e. electronic switch
Its electric current is flowed into from port aj and is flowed out from port bj when Sj is connected.
Further, the electronic switch Sj includes diode Dj_2, N-type metal-oxide-semiconductor Mj_1 and controller j, the control
Device j has port vgj, and the anode of diode Dj_2 is connected with the port aj of the electronic switch Sj, the cathode of diode Dj_2
It is connected with the drain electrode of N-type metal-oxide-semiconductor Mj_1, the source electrode of N-type metal-oxide-semiconductor Mj_1 is connected with the port bj of the electronic switch Sj, N-type
The gate pole of metal-oxide-semiconductor Mj_1 is connected with the port vgj of the controller j.
The controller j determines the working condition of N-type metal-oxide-semiconductor Mj_1, and the controller j controls core using conventional power supply
Piece, such as: the combination of UC3842 and IR2110.
Further, the phase of output signal vgs1 to vgsn of controller 1 to controller n successively lag the angle of setting
The value range of θ, θ are 0 to 2 π (see Fig. 2).
When embodiment is in continuous conduction mode (CCM), inductance Lk_1 can be approximately that (value range of k is 2 to constant-current source
To n), steady operation process includes following multiple stages.
(1) when N-type metal-oxide-semiconductor M1_1 end when, diode D1_1 conducting, DC power supply Vi, diode D1_1, inductance L1 and
Capacitor and inductor energy-storage module 2 constitutes a circuit, and DC power supply Vi, diode D1_1, capacitor C1_1 and inductance L1_1 constitute another
One circuit.At this point, C1_1 charges, L1_1 puts magnetic, and the working condition phase of the working condition of L1 and capacitor and inductor energy-storage module 2
It closes.
(2) when N-type metal-oxide-semiconductor M1_1 is connected, diode D1_1 cut-off, DC power supply Vi, diode D1_2, N-type metal-oxide-semiconductor
M1_1 and inductance L1_1 constitutes a circuit, DC power supply Vi, diode D1_2, N-type metal-oxide-semiconductor M1_1, capacitor C1_1, inductance L1
Another circuit is constituted with capacitor and inductor energy-storage module 2.At this point, C1_1 discharges, L1_1 magnetizes, and the working condition of L1 and capacitor
The working condition of inductive energy storage module 2 is related.
And so on, (3) when N-type metal-oxide-semiconductor Mn_1 ends, diode Dn_1 is connected, capacitor and inductor energy-storage module n-1,
Inductance Ln-1, diode Dn_1, capacitor Co and load Z constitute a circuit, capacitor and inductor energy-storage module n-1, inductance Ln-1, two
Pole pipe Dn_1, capacitor Cn_1 and inductance Ln_1 constitute another circuit.At this point, Cn_1 charges.
(4) when N-type metal-oxide-semiconductor Mn_1 be connected when, diode Dn_1 cut-off, capacitor and inductor energy-storage module n-1, inductance Ln-1,
Diode Dn_2, N-type metal-oxide-semiconductor Mn_1 and inductance Ln_1 constitute a circuit, capacitor and inductor energy-storage module n-1, inductance Ln-1, two
Pole pipe Dn_2, N-type metal-oxide-semiconductor Mn_1, capacitor Cn_1, capacitor Co and load Z constitute another circuit.At this point, Cn_1 discharges.
Simulation work waveform diagram of embodiment under conditions of θ=0 when Fig. 3 is n=3.Embodiment is in θ when Fig. 4 is n=3
Simulation work waveform diagram under conditions of=2 π/3.As can be seen from figs. 3 and 4 the input current ii of embodiment is continuous, electric current is exported
Io3 is continuous, and electric current io1 and io2 are also continuous between grade, and output voltage Vo is greater than direct current power source voltage Vi, Vo and Vi altogether and homopolarity
Property.Comparison diagram 3 and Fig. 4 are it is found that there is influence to the ripple of ii, io1, io2 and io3 in θ.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range should not be construed as being limited to the specific forms stated in the embodiments, and protection scope of the present invention is also and in this field skill
Art personnel conceive according to the present invention it is conceivable that equivalent technologies mean.
Claims (5)
1. a kind of cascade step-up dc-dc converter, it is characterised in that: the converter includes capacitor and inductor energy-storage module 1
To capacitor and inductor energy-storage module n, inductance L1 to inductance Ln-1 and capacitor Co, capacitor and inductor energy-storage module j is with port Vij+, end
Mouthful Voj+ and port Gndj, the port Vi1+ of capacitor and inductor energy-storage module 1 are connected with the anode of DC power supply Vi, and capacitor and inductor stores up
The port Vo1+ of energy module 1 is connected with one end of inductance L1, the other end of inductance L1 and the port of capacitor and inductor energy-storage module 2
Vi2+ is connected, and so on, the other end of inductance Ln-1 is connected with the port Vin+ of capacitor and inductor energy-storage module n, capacitor and inductor
The port Von+ of energy-storage module n simultaneously with one end of capacitor Co and load one end of Z and be connected, load the other end of Z and meanwhile with
The other end of capacitor Co, the port Gndj of capacitor and inductor energy-storage module j are connected with the negative terminal of DC power supply Vi, the value range of j
It is 1 to n, the capacitor and inductor energy-storage module j includes diode Dj_1, capacitor Cj_1, inductance Lj_1 and electronic switch Sj, described
Electronic switch Sj has port aj and port bj, the anode of diode Dj_1 while the port Vij with capacitor and inductor energy-storage module j
+ be connected with the port aj of electronic switch Sj, one end with capacitor Cj_1 and the capacitor and inductor energy storage simultaneously of the cathode of diode Dj_1
The port Voj+ of module j is connected, the port bj of electronic switch Sj simultaneously with the other end of capacitor Cj_1 and one end of inductance Lj_1
It is connected, the other end of inductance Lj_1 is connected with the port Gndj of capacitor and inductor energy-storage module j.
2. cascade step-up dc-dc converter as described in claim 1, it is characterised in that: the electronic switch Sj is used
Its electric current is flowed into from port aj and is flowed out from port bj when the electronic switch of one-way conduction, i.e. electronic switch Sj are connected.
3. cascade step-up dc-dc converter as claimed in claim 2, it is characterised in that: the electronic switch Sj includes
Diode Dj_2, N-type metal-oxide-semiconductor Mj_1 and controller j, the controller j have port vgj, the anode of diode Dj_2 and institute
The port aj for stating electronic switch Sj is connected, and the cathode of diode Dj_2 is connected with the drain electrode of N-type metal-oxide-semiconductor Mj_1, N-type metal-oxide-semiconductor Mj_
1 source electrode is connected with the port bj of the electronic switch Sj, the port vgj of the gate pole of N-type metal-oxide-semiconductor Mj_1 and the controller j
It is connected.
4. cascade step-up dc-dc converter as claimed in claim 3, it is characterised in that: the controller j determines N-type
The working condition of metal-oxide-semiconductor Mj_1, the controller j use power supply control chip.
5. cascade step-up dc-dc converter as described in claim 3 or 4, it is characterised in that: the controller 1 to control
The phase of the output signal vgs1 to vgsn of device n processed successively lags the angle, θ of setting, and the value range of θ is 0 to 2 π.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336710.6A CN109391151A (en) | 2018-11-12 | 2018-11-12 | Cascade step-up dc-dc converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336710.6A CN109391151A (en) | 2018-11-12 | 2018-11-12 | Cascade step-up dc-dc converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109391151A true CN109391151A (en) | 2019-02-26 |
Family
ID=65427153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811336710.6A Pending CN109391151A (en) | 2018-11-12 | 2018-11-12 | Cascade step-up dc-dc converter |
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| Country | Link |
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| CN (1) | CN109391151A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429815A (en) * | 2019-07-19 | 2019-11-08 | 华为技术有限公司 | The control method of booster circuit and booster circuit |
| CN112701911A (en) * | 2020-12-29 | 2021-04-23 | 佛山科学技术学院 | Combined direct current converter and topological circuit thereof |
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| US20150171746A1 (en) * | 2013-12-16 | 2015-06-18 | National Tsing Hua University | Buck type dc-to-dc converter and method of operating the same |
| CN105958823A (en) * | 2016-06-28 | 2016-09-21 | 华南理工大学 | Current continuous high-gain switch voltage rise quasi-Z-source converter circuit |
| CN107181405A (en) * | 2017-06-19 | 2017-09-19 | 广东工业大学 | A kind of single switch impedance network cascade connection type DC DC converters and booster system |
| CN108736715A (en) * | 2018-07-02 | 2018-11-02 | 浙江工业大学 | Buck DC-DC converter |
| CN211791274U (en) * | 2018-11-12 | 2020-10-27 | 浙江工业大学 | Cascaded boost DC-DC converter |
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2018
- 2018-11-12 CN CN201811336710.6A patent/CN109391151A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150171746A1 (en) * | 2013-12-16 | 2015-06-18 | National Tsing Hua University | Buck type dc-to-dc converter and method of operating the same |
| CN105958823A (en) * | 2016-06-28 | 2016-09-21 | 华南理工大学 | Current continuous high-gain switch voltage rise quasi-Z-source converter circuit |
| CN107181405A (en) * | 2017-06-19 | 2017-09-19 | 广东工业大学 | A kind of single switch impedance network cascade connection type DC DC converters and booster system |
| CN108736715A (en) * | 2018-07-02 | 2018-11-02 | 浙江工业大学 | Buck DC-DC converter |
| CN211791274U (en) * | 2018-11-12 | 2020-10-27 | 浙江工业大学 | Cascaded boost DC-DC converter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110429815A (en) * | 2019-07-19 | 2019-11-08 | 华为技术有限公司 | The control method of booster circuit and booster circuit |
| WO2021013101A1 (en) * | 2019-07-19 | 2021-01-28 | 华为技术有限公司 | Boost circuit and control method for boost circuit |
| CN112701911A (en) * | 2020-12-29 | 2021-04-23 | 佛山科学技术学院 | Combined direct current converter and topological circuit thereof |
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