CN107453345A - Power supply circuit and method of supplying power to - Google Patents
Power supply circuit and method of supplying power to Download PDFInfo
- Publication number
- CN107453345A CN107453345A CN201710761510.4A CN201710761510A CN107453345A CN 107453345 A CN107453345 A CN 107453345A CN 201710761510 A CN201710761510 A CN 201710761510A CN 107453345 A CN107453345 A CN 107453345A
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- Prior art keywords
- power supply
- switching tube
- supply unit
- powered
- battery
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000005611 electricity Effects 0.000 claims abstract description 25
- 230000006837 decompression Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of power supply circuit and method of supplying power to, the power supply circuit includes lifting/voltage reducing circuit, and the first end of the lifting/voltage reducing circuit connects power supply unit and equipment to be powered respectively, and the second end of the lifting/voltage reducing circuit is connected with battery：When the power supply unit accesses, the power supply unit is preferentially to the equipment power supply to be powered, and when the power supply unit is had a surplus to the equipment power supply to be powered, the power supply unit is returned the battery by lifting/voltage reducing circuit and charged；When the power supply unit does not access or when the power supply unit accesses and the power supply unit gives the equipment electricity shortage to be powered, the battery is also powered by lifting/voltage reducing circuit to the equipment to be powered.The present invention can be powered with multipath, have the advantages of power supplying efficiency is high, supply district is big and power supply circuit construction is simple.
Description
Technical field
The present invention relates to a kind of electric and electronic technical field, more particularly to a kind of power supply circuit and method of supplying power to.
Background technology
Power supply unit is commonly used to electron equipment and battery powered, and prior art power supply unit electron equipment and battery supply
The structural representation of electricity is as shown in figure 1, Fig. 1 includes power supply unit U01, Buck circuit U 02, Boost circuit U03, battery, waits to supply
Electric equipment U04 and diode D1.The power supply unit U01 is connected with equipment U04 to be powered by a diode D1, Buck electricity
Road U02 one end is connected with power supply unit, and the other end is connected with Boost circuit U03, Buck circuit Us 02 and Boost circuit U03 it
Between connect a battery, another termination power supply units of Boost circuit U03.
Also by Buck circuits to battery powered, battery while the power supply unit U01 powers to equipment U04 to be powered
It can also be powered by Boost circuit to power supply unit.This power supply plan cost is high, size is big, power supply mode is single and supplies
Electrical efficiency is not high.
The content of the invention
In view of this, it is an object of the invention to provide a kind of power supply circuit and method of supplying power to, deposited for solving prior art
Power supply plan cost it is high, power supply circuit size is big, power supply mode is single and power supplying efficiency is not high the problem of.
To achieve the above object, the invention provides a kind of power supply circuit, including：
Lifting/voltage reducing circuit, the first end of the lifting/voltage reducing circuit connects power supply unit and equipment to be powered respectively, described
Second end of lifting/voltage reducing circuit is connected with battery；When the power supply unit accesses, the power supply unit preferentially is waited to supply to described
Electric equipment is powered, and when the power supply unit is had a surplus to the equipment power supply to be powered, the power supply unit passes through lifting/lowering piezoelectricity
Return the battery charging in road；When the power supply unit does not access or when the power supply unit accesses and the power supply unit is to institute
When stating equipment electricity shortage to be powered, the battery is powered by lifting/voltage reducing circuit to the equipment to be powered.
Optionally, the lifting/voltage reducing circuit and the public terminal voltage of equipment to be powered are first voltage, first electricity
When pressure reaches threshold voltage, the power supply unit charges to the equipment power supply to be powered to the battery；First electricity
When pressure is less than threshold voltage, the power supply unit stops charging to the battery.
Optionally, the power supply unit stops after being charged to the battery, if the first voltage is still not up to threshold value electricity
During pressure, the battery is also to the equipment power supply to be powered.
Optionally, the power supply unit by lifting/voltage reducing circuit by boost or be depressured or buck in a manner of charge the battery；
The battery by lifting/voltage reducing circuit by boost or be depressured or buck in a manner of to equipment to be powered power.
Optionally, the lifting/voltage reducing circuit includes first switch pipe, second switch pipe and the first inductance, and described first opens
Close pipe first end and connect the equipment to be powered, the end of first switch pipe second connects the second switch pipe first end, institute
State the end of second switch pipe second ground connection, public termination first inductance one of the first switch pipe and the second switch pipe
End, the first inductance other end connect battery.
Optionally, the lifting/voltage reducing circuit includes first switch pipe, second switch pipe and the first inductance, and described first opens
The pass pipe first end connection battery, the end of first switch pipe second connection second switch pipe first end, described second
The end of switching tube second is grounded, described first inductance one end of public termination of the first switch pipe and the second switch pipe, institute
State the first inductance other end and connect the equipment to be powered.
Optionally, the lifting/voltage reducing circuit includes I switching tube, II switching tube, III switching tube, IV switching tube
With I inductance, the I switching tube first end connects the equipment to be powered, the end of I switching tube second connection described the
The common port of II switching tube first ends, the end of II switching tube second ground connection, the I switching tube and the II switching tube
For the first common port；The III switching tube first end connects the battery, described in the end of III switching tube second connection
The public affairs of IV switching tube first end, the end of IV switching tube second ground connection, the III switching tube and the IV switching tube
End is the second common port altogether, and the I inductance both ends connect the first common port and the second common port respectively.
Optionally, the lifting/voltage reducing circuit includes three kinds of working conditions：The III switching tube keeps open-minded, and described the
IV switching tubes remain open, by controlling the on off state of the I switching tube and II switching tube to realize the power supply unit
Charged the battery by decompression mode, the battery is powered by boosting mode to the equipment to be powered；
Or the I switching tube keeps open-minded, the II switching tube remains open, by controlling the I to switch
The on off state of pipe and II switching tube realizes that the power supply unit is charged the battery by boosting mode, and the battery passes through drop
Pressure mode is to the equipment power supply to be powered；
Or by controlling the I switching tube, II switching tube, III switching tube and the switch shape of IV switching tube
State realizes that the power supply unit is charged by buck mode to battery, and the battery is waited to supply also by buck mode to described
Electric equipment is powered.
Optionally, the power supply circuit also includes diode or switching tube, and the power supply unit output end passes through described two
Pole pipe or switching tube connect the lifting/voltage reducing circuit first end and the equipment to be powered, the switching tube or diode and institute
The voltage for stating the common port of power supply unit is second voltage, determines whether power supply unit access institute by detecting the second voltage
State equipment to be powered.
Optionally, the control circuit receives the first voltage signal and the second voltage signal, and output is corresponding
Control signal, the break-make of switching tube in lifting/voltage reducing circuit is controlled according to corresponding control signal.
The present invention also provides a kind of method of supplying power to, comprises the following steps：
When the power supply unit accesses, power supply unit is preferentially powered to equipment to be powered, when the power supply unit is to institute
When stating equipment to be powered power supply and having a surplus, the power supply unit also charges the battery；When the power supply unit does not access or when described
Power supply unit accesses and the power supply unit is when give the equipment electricity shortage to be powered, and the battery also gives described to be powered set
Available electricity.
Compared with prior art, the technical scheme of the present invention has advantages below：When the power supply unit accesses, power supply
Equipment is preferentially powered to equipment to be powered, and when the power supply unit is had a surplus to the equipment power supply to be powered, the power supply is set
It is standby also to be charged the battery by lifting/voltage reducing circuit；When the power supply unit is to access or when the power supply unit accesses and described
When power supply unit gives the equipment electricity shortage to be powered, the battery also gives the equipment to be powered by lifting/voltage reducing circuit
Power supply.Lifting/voltage reducing circuit of the present invention can be integrated in piece, can also be used as discrete device.The present invention can be with
Multipath is powered, and has the advantages of power supplying efficiency is high, supply district is big and power supply circuit construction is simple.
Brief description of the drawings
Fig. 1 is the structural representation of prior art power supply circuit；
Fig. 2 is the structural representation of the first power supply circuit of the invention；
Fig. 3 is the structural representation of second of power supply circuit of the invention；
Fig. 4 is the structural representation of the third power supply circuit of the invention；
Fig. 5 is a kind of lifting/voltage reducing schematic diagram of the lifting/voltage reducing circuit of the third power supply circuit of the invention；
Fig. 6 is another lifting/voltage reducing schematic diagram of the lifting/voltage reducing circuit of the third power supply circuit of the invention；
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing, but the present invention is not restricted to these
Embodiment.The present invention covers any replacement made in the spirit and scope of the present invention, modification, equivalent method and scheme.
Thoroughly understand in order that the public has to the present invention, be described in detail in present invention below preferred embodiment specific
Details, and description without these details can also understand the present invention completely for a person skilled in the art.
More specifically description is of the invention by way of example referring to the drawings in the following passage.It should be noted that accompanying drawing is adopted
Non- accurately ratio is used with more simplified form and, only to convenience, lucidly aid in illustrating the embodiment of the present invention
Purpose.
As shown in Fig. 2 the structural representation of the first power supply circuit of the invention is illustrated, including power supply unit, diode
(or switching tube) D2, rise decompression (Boost Buck) circuit U 201, battery, equipment to be powered and control circuit, the Boost
Buck circuit Us 201 include first switch pipe M201, second switch pipe M202 and the first inductance L201.The power supply unit passes through
One diode (or switching tube) and equipment to be powered and Boost the one end of Buck circuit Us 201 be connected, the Boost Buck electricity
Another termination batteries of road U201, the equipment to be powered and 201 public terminal voltage of Boost Buck circuit Us are first voltage V1,
The diode (or switching tube) and the public terminal voltage of the power supply unit are second voltage V2.The first switch pipe M201
One end is connected with diode D1, and the second end is connected with second switch pipe M202 first ends, its public the first inductance of termination L201 mono-
End, the second switch pipe M202 second terminate low potential, and the first inductance L201 second terminates battery.The control circuit
Receive the first voltage V1 and the second voltage V2, output control signal Q1, Q2 control respectively the Boost Buck electricity
Switching tube M201, M202 break-make in the U201 of road.
When the power supply unit accesses, the power supply unit is preferentially to the equipment power supply to be powered, when the power supply
When equipment is had a surplus to the equipment to be powered power supply, the power supply unit simultaneously also by Boost Buck circuit Us 201 to be depressured
Mode charges the battery；When the power supply unit does not access or when the power supply unit accesses and the power supply unit is to described
During equipment electricity shortage to be powered, battery simultaneously also by Boost Buck circuit Us 201 with boosting mode to equipment to be powered confession
Electricity.When the first voltage V1 reaches threshold voltage, the power supply unit gives the battery to the equipment power supply to be powered
Charging；When the first voltage V1 is less than threshold voltage, the power supply unit stops charging to the battery, the power supply unit
Stop after being charged to the battery, if the first voltage V1 is still not up to threshold voltage, the battery is also treated to described
Power supply unit is powered.The power supply unit access equipment to be powered is determined whether by detecting the second voltage V2, if without confession
Electric equipment accesses the equipment to be powered, and the battery is to the equipment power supply to be powered.The diode D2, which has, reversely to be cut
Effect only, when using switching tube, its body diode can also realize the effect reversely ended.
As shown in figure 3, illustrating the structural representation of second of power supply circuit of the invention, Fig. 3 and Fig. 2 difference only exist
In：The first switch pipe first end connects the battery, and the end of first switch pipe second connects the second switch pipe the
The public termination of one end, the end of second switch pipe second ground connection, the first switch pipe and the second switch pipe described the
One inductance one end, the first inductance other end connect the equipment to be powered.When the power supply unit to be powered is set to described
When available electricity is had a surplus, the power supply unit simultaneously also by Boost Buck circuits charged the battery with boosting mode；When described
Power supply unit does not access equipment to be powered or when the power supply unit is to the equipment electricity shortage to be powered, and battery is simultaneously
Also by Boost Buck circuits in a manner of being depressured to equipment to be powered power.
As shown in figure 4, the structural representation of the third power supply circuit of the invention is illustrated, including power supply unit, diode
(or switching tube) D4, rise decompression (Boost Buck) circuit U 401, battery, the equipment to be powered and control circuit, it is described
Boost Buck circuit Us 401 include I switching tube M401, II switching tube M402, III switching tube M403, IV switching tube
M404 and I inductance L401.The power supply unit by diode (or switching tube) D3 and equipment to be powered and Boost
The one end of Buck circuit Us 401 is connected, 401 another termination battery of Boost Buck circuit Us, the equipment to be powered and
401 public terminal voltage of Boost Buck circuit Us is first voltage V1, and the diode (or switching tube) is public with the power supply unit
Terminal voltage is second voltage V2 altogether.The I switching tube M401 first ends connect the diode, the I switching tube M401
Second end connects the II switching tube M402 first ends, the second ends of II switching tube M402 ground connection, the I switching tube
M401 and the II switching tube M402 common ports are the first common port O1；The III switching tube M403 first ends connect institute
Battery is stated, second ends of III switching tube M403 connect the IV switching tube M304 first ends, the IV switching tube
The ends of M404 second are grounded, and the common port of the III switching tube M403 and the IV switching tube M404 switching tubes is public for second
O2 is held altogether, and the I inductance L401 both ends connect the first common port O1 and the second common port O2 respectively.The control circuit receives
The first voltage V1 and second voltage V2, output control signal Q1, Q2, Q3, Q4 control respectively the Boost Buck
Switching tube M401, M402, M403 and M404 break-make in circuit U 401.
When the power supply unit accesses, the power supply unit is preferentially to the equipment power supply to be powered, when the power supply
When equipment is had a surplus to the equipment to be powered power supply, the power supply unit simultaneously also by Boost Buck circuit Us 401 to be depressured
Or boosting or buck mode charge the battery；When power supply unit does not access or when power supply unit access and the power supply are set
It is standby when give the equipment electricity shortage to be powered, battery and meanwhile also by Boost Buck circuit Us 401 to boost or be depressured or rise
Decompression mode is powered to equipment to be powered.When the first voltage V1 reaches threshold voltage, the power supply unit is waited to supply to described
Electric equipment is powered, and is charged to the battery；When the first voltage V1 is less than threshold voltage, the power supply unit stops to institute
Battery charging is stated, the power supply unit stops after being charged to the battery, if the first voltage V1 is still not up to threshold value electricity
During pressure, the battery is also to the equipment power supply to be powered.Determine whether power supply unit by detecting the second voltage V2 to connect
Enter the equipment to be powered, if unpowered equipment accesses the equipment to be powered, the battery is to the equipment power supply to be powered.
The diode D4 just plays the role of reversely to end, and when using switching tube, its body diode can also realize the work reversely ended
With.
The Boost Buck circuit Us 401 include three kinds of working conditions：
Reference picture 5, the III switching tube M403 keep open-minded, and the IV switching tube M404 is remained open, and passes through control
The on off state for making I switching tube M401 and II the switching tube M402 realizes the power supply unit by decompression mode to electricity
Pond is charged, and the battery is powered by boosting mode to the equipment to be powered；
Or reference picture 6, the I switching tube M401 keep open-minded, the II switching tube M402 is remained open, and is passed through
The on off state of III switching tube M403 and IV the switching tube M404 is controlled to realize that the power supply unit passes through boosting mode
Charge the battery, the battery is powered by being depressured mode to the equipment to be powered；
Or by controlling the I switching tube M401, II switching tube M402, III switching tube M403 and IV to open
The on off state for closing pipe M404 realizes that the power supply unit is charged by buck mode to battery, and the battery is also by lifting
Pressure mode is powered to the equipment to be powered.
Although embodiment is separately illustrated and illustrated above, it is related to the common technology in part, in ordinary skill
Personnel apparently, can be replaced and integrate between the embodiments, be related to one of embodiment and the content recorded is not known, then
Refer to another embodiment on the books.
Embodiments described above, the restriction to the technical scheme protection domain is not formed.It is any in above-mentioned implementation
Modifications, equivalent substitutions and improvements made within the spirit and principle of mode etc., should be included in the protection model of the technical scheme
Within enclosing.
Claims (11)
1. a kind of power supply circuit, including：
Lifting/voltage reducing circuit, the first end of the lifting/voltage reducing circuit connect power supply unit and equipment to be powered, the lifting/lowering respectively
Second end of volt circuit is connected with battery；When the power supply unit accesses, the power supply unit preferentially to be powered is set to described
Available electricity, when the power supply unit is had a surplus to the equipment to be powered power supply, the power supply unit by lifting/voltage reducing circuit also
Charged to the battery；When the power supply unit does not access or when power supply unit access and the power supply unit are treated to described
During power supply unit electricity shortage, the battery is also powered by lifting/voltage reducing circuit to the equipment to be powered.
2. power supply circuit according to claim 1, it is characterised in that：The lifting/voltage reducing circuit and the equipment to be powered
Public terminal voltage is first voltage, and when the first voltage reaches threshold voltage, the power supply unit gives the equipment to be powered
Power supply, and charged to the battery；When the first voltage is less than threshold voltage, the power supply unit stops filling to the battery
Electricity.
3. power supply circuit according to claim 2, it is characterised in that：The power supply unit stops charging to the battery
Afterwards, if the first voltage is still not up to threshold voltage, the battery is also to the equipment power supply to be powered.
4. power supply circuit according to claim 1, it is characterised in that：The power supply unit is by lifting/voltage reducing circuit to rise
Pressure or decompression or buck mode charge the battery；The battery is by lifting/voltage reducing circuit to boost or be depressured or buck side
Formula is powered to equipment to be powered.
5. according to the power supply circuit described in claim 1,2 or 3, it is characterised in that：The lifting/voltage reducing circuit includes first switch
Pipe, second switch pipe and the first inductance, the first switch pipe first end connect the equipment to be powered, the first switch pipe
Second end connects the second switch pipe first end, the end of second switch pipe second ground connection, the first switch pipe and described
Described first inductance one end of public termination of second switch pipe, the first inductance other end connect battery.
6. according to the power supply circuit described in claim 1,2 or 3, it is characterised in that：The lifting/voltage reducing circuit includes first switch
Pipe, second switch pipe and the first inductance, the first switch pipe first end connect the battery, the end of first switch pipe second
The second switch pipe first end, the end of second switch pipe second ground connection are connected, the first switch pipe and described second is opened
Described first inductance one end of public termination of pipe is closed, the first inductance other end connects the equipment to be powered.
7. according to the power supply circuit described in claim 1,2,3 or 4, it is characterised in that：The lifting/voltage reducing circuit is opened including I
Guan Guan, II switching tube, III switching tube, IV switching tube and I inductance, treat described in I switching tube first end connection
Power supply unit, the end of I switching tube second connect the II switching tube first end, and the II switching tube second terminates
The common port of ground, the I switching tube and the II switching tube is the first common port；The III switching tube first end connects
The battery is connect, the end of III switching tube second connects the IV switching tube first end, the end of IV switching tube second
The common port of ground connection, the III switching tube and the IV switching tube is the second common port, the I inductance both ends difference
Connect first common port and second common port.
8. power supply circuit according to claim 7, it is characterised in that：The lifting/voltage reducing circuit includes three kinds of working conditions：
The III switching tube keeps open-minded, and the IV switching tube remains open, by controlling the I switching tube and II to open
The on off state for closing pipe realizes that the power supply unit is charged the battery by decompression mode, and the battery is by boosting mode to institute
State equipment power supply to be powered；
Or the I switching tube keeps open-minded, the II switching tube remains open, by controlling the III switching tube
Realize that the power supply unit is charged by boosting mode to battery with the on off state of IV switching tube, the battery passes through decompression
Mode is powered to the equipment to be powered；
Or by controlling the on off state of the I switching tube, II switching tube, III switching tube and IV switching tube real
The existing power supply unit is charged by buck mode to battery, and the battery to be powered is set also by buck mode to described
Available electricity.
9. according to the power supply circuit described in claim 1,2,3 or 4, it is characterised in that：The power supply circuit also includes diode
Or switching tube, the power supply unit output end by the diode or switching tube connect the lifting/voltage reducing circuit first end and
The equipment to be powered, the voltage of the switching tube or diode and the common port of the power supply unit is second voltage, is passed through
Detect the second voltage and determine whether the power supply unit access equipment to be powered.
10. power supply circuit according to claim 9, it is characterised in that：The control circuit receive the first voltage and
The second voltage, corresponding control signal is exported, switching tube in the lifting/voltage reducing circuit is controlled according to corresponding control signal
Break-make.
11. a kind of method of supplying power to, comprises the following steps：
When the power supply unit accesses, power supply unit is preferentially powered to equipment to be powered, when the power supply unit is treated to described
When power supply unit power supply is had a surplus, the power supply unit also charges the battery；When the power supply unit does not access or when the power supply
When equipment accesses and the power supply unit gives the equipment electricity shortage to be powered, the battery also supplies to the equipment to be powered
Electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710761510.4A CN107453345A (en) | 2017-08-30 | 2017-08-30 | Power supply circuit and method of supplying power to |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710761510.4A CN107453345A (en) | 2017-08-30 | 2017-08-30 | Power supply circuit and method of supplying power to |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107453345A true CN107453345A (en) | 2017-12-08 |
Family
ID=60493353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710761510.4A Pending CN107453345A (en) | 2017-08-30 | 2017-08-30 | Power supply circuit and method of supplying power to |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107453345A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111865064A (en) * | 2019-04-26 | 2020-10-30 | 南京理工大学 | CRM (customer relationship management) buck-boost converter controlled by segmented fixed conduction time |
| CN111865065A (en) * | 2019-04-28 | 2020-10-30 | 南京理工大学 | High power factor DCM buck-boost PFC converter |
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| US20010020802A1 (en) * | 1997-12-26 | 2001-09-13 | Seiya Kitagawa | Power unit |
| US20080100143A1 (en) * | 2006-11-01 | 2008-05-01 | O2Micro Inc. | Power management system with charger/boost controller |
| CN101257122A (en) * | 2007-02-28 | 2008-09-03 | 三洋电机株式会社 | Power supply apparatus |
| US20090206667A1 (en) * | 2007-12-05 | 2009-08-20 | Sunpower, Inc. | Hybrid electrical power source combining stirling engine driven alternator with supplementing electrical energy storage |
| CN103270662A (en) * | 2011-06-30 | 2013-08-28 | 三菱重工机械科技株式会社 | Power supply device, crane, and power supply method |
| CN104143850A (en) * | 2014-08-20 | 2014-11-12 | 南京矽力杰半导体技术有限公司 | Battery charge and discharge management circuit and electronic device applying same |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010020802A1 (en) * | 1997-12-26 | 2001-09-13 | Seiya Kitagawa | Power unit |
| US20080100143A1 (en) * | 2006-11-01 | 2008-05-01 | O2Micro Inc. | Power management system with charger/boost controller |
| CN101257122A (en) * | 2007-02-28 | 2008-09-03 | 三洋电机株式会社 | Power supply apparatus |
| US20090206667A1 (en) * | 2007-12-05 | 2009-08-20 | Sunpower, Inc. | Hybrid electrical power source combining stirling engine driven alternator with supplementing electrical energy storage |
| CN103270662A (en) * | 2011-06-30 | 2013-08-28 | 三菱重工机械科技株式会社 | Power supply device, crane, and power supply method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111865064A (en) * | 2019-04-26 | 2020-10-30 | 南京理工大学 | CRM (customer relationship management) buck-boost converter controlled by segmented fixed conduction time |
| CN111865064B (en) * | 2019-04-26 | 2022-07-22 | 南京理工大学 | CRM (customer relationship management) buck-boost converter controlled by segmented fixed conduction time |
| CN111865065A (en) * | 2019-04-28 | 2020-10-30 | 南京理工大学 | High power factor DCM buck-boost PFC converter |
| CN111865065B (en) * | 2019-04-28 | 2022-07-19 | 南京理工大学 | High power factor DCM buck-boost PFC converter |
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| PB01 | Publication | ||
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Address after: Room 901-23, 9 / F, west 4 building, Xigang development center, 298 Zhenhua Road, Sandun Town, Xihu District, Hangzhou City, Zhejiang Province, 310030 Applicant after: Jiehuate Microelectronics Co.,Ltd. Address before: Room 424, building 1, 1500 Wenyi West Road, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: JOULWATT TECHNOLOGY Inc.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171208 |