CN110391732A - A kind of Bootstrap formula SEPIC converter based on synchronous rectification - Google Patents

A kind of Bootstrap formula SEPIC converter based on synchronous rectification Download PDF

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Publication number
CN110391732A
CN110391732A CN201910704478.5A CN201910704478A CN110391732A CN 110391732 A CN110391732 A CN 110391732A CN 201910704478 A CN201910704478 A CN 201910704478A CN 110391732 A CN110391732 A CN 110391732A
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CN
China
Prior art keywords
switch triode
synchronous rectification
circuit
rectifier switch
triode
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Pending
Application number
CN201910704478.5A
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Chinese (zh)
Inventor
山炳强
任宝森
张睿
尹国慧
隋宗强
刘键铭
赵广方
赵国栋
吕云扬
刘香
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Qingdao University
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Qingdao University
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Publication date
Application filed by Qingdao University filed Critical Qingdao University
Priority to CN201910704478.5A priority Critical patent/CN110391732A/en
Publication of CN110391732A publication Critical patent/CN110391732A/en
Pending legal-status Critical Current

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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
    • 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
    • H02M3/1588—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 comprising at least one synchronous rectifier element
    • 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
    • H02M1/0048—Circuits or arrangements for reducing losses
    • 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
    • H02M3/1557—Single ended primary inductor converters [SEPIC]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)
  • Dc-Dc Converters (AREA)

Abstract

The invention discloses a kind of Bootstrap formula SEPIC converter based on synchronous rectification, including circuit of synchronous rectification and Bootstrap formula driving circuit, circuit of synchronous rectification make to allow in circuit by electric current increase, Bootstrap formula driving circuit realizes synchronous rectification；The present invention is using the minimum power-type N-channel MOS FET of conducting resistance as rectifier switch triode, earthing switch triode and rectifier switch triode ON order are opposite, turn-on time is complementary, by the order of work for controlling earthing switch triode and rectifier switch triode, realize the synchronous rectification of synchronous rectification SEPIC converter, in circuit other than switching loss, loss on rectifier switch triode, which just only has caused by extremely low conducting resistance, to be lost, in the case where high duty ratio, significantly reduce circuit loss, improve the whole efficiency of SEPIC converter, in the case where taking into account rectifying component cooling encapsulation and radiating condition, improve the output current class of SEPIC converter.

Description

A kind of Bootstrap formula SEPIC converter based on synchronous rectification
Technical field
The apparatus and method of the present invention relates to a kind of Bootstrap formula SEPIC converter based on synchronous rectification belong to In field of power supplies, more particularly to a kind of SEPIC converter.
Background technique
With life and industrial expansion, the requirement to power converter is higher and higher, while having boosting and decompression function Can power converter battery charging and discharging, super capacitor charge and discharge, automotive-type application, need to provide multiple input sources be The fields such as system, the biggish photovoltaic power generation of output voltage variation range are more and more applied, therefore to power converter Research becomes particularly important.
Single-ended primary winding inductance converter (SEPIC) is liter-buck convertor, and output voltage is allowed to be greater than, be less than Or the dcdc converter equal to input voltage, output voltage by master switch duty ratio control, have continuous input current, Output voltage range is wide, output voltage and input voltage lead to polarity, driving switch in downside, is easy the advantages such as driving, very suitable Together in battery charging and discharging, super capacitor charge and discharge, automotive-type application, need to provide the system and photovoltaic power generation of multiple input sources The occasion of equal low-voltage, high-currents.
Existing SEPIC converter realizes rectifier switch function by diode, and diode forward conduction voltage drop can be with leading Alive increase and increases, eventually leading to the electric current that flows through on diode is high current, whole in high duty cycle operational The ratio that power dissipation on stream diode accounts for entire SEPIC inverter power dissipation is very high, and this not only lowers entire SEPIC The whole efficiency of converter, and in practical applications in order to balance diode radiating encapsulation and radiating condition, it has to reduce The output current class of converter.
Summary of the invention
The object of the present invention is to provide a kind of Bootstrap formula SEPIC converter based on synchronous rectification, to solve The above-mentioned problems of the prior art reduces SEPIC converter power consumption, improves the whole efficiency of SEPIC converter, and improves SEPIC converter allows to export electric current.
To achieve the above object, the present invention provides following schemes: a kind of Bootstrap formula based on synchronous rectification SEPIC converter, including circuit of synchronous rectification and Bootstrap formula driving circuit, the Bootstrap formula driving circuit are connected to Between the grid and source electrode of rectifier switch triode in the circuit of synchronous rectification；It include ground connection in the circuit of synchronous rectification Switching transistor and rectifier switch triode, the earthing switch triode and rectifier switch triode ON order are opposite, lead The logical time is complementary, described to connect by the turn-on and turn-off of earthing switch triode and rectifier switch triode described in switch control When ground switching transistor is connected, Bootstrap formula driving circuit charges, when the earthing switch triode turns off, from lifting Pressure type driving circuit is supplied to correct driving voltage between the grid and source electrode of the rectifier switch triode, makes the rectification The grid voltage of switching transistor (Q2) is synchronous with the holding of the output voltage phase of the circuit of synchronous rectification, to realize synchronization Rectification.
Preferably, rectifier switch triode is the minimum power-type N-channel MOS FET of conducting resistance.
Preferably, circuit of synchronous rectification include: input voltage, the first inductance, the second inductance, input have electrode capacitance, output There are electrode capacitance, earthing switch triode, rectifier switch triode, load resistance, first capacitor, first switch, second switch；
One end of the input voltage is connected by the first inductance with the drain electrode of earthing switch triode, the input voltage Other end connection input is grounded after having electrode capacitance；
One end of the first capacitor is connected with the drain electrode of earthing switch triode, the other end of the first capacitor with it is whole The source electrode for flowing switching transistor is connected；
The source electrode of the earthing switch triode is grounded, the grid floating of the earthing switch triode；
One end of second inductance is grounded, and the other end of second inductance has by rectifier switch triode with output It is grounded after electrode capacitance connection；
The load resistance has electrode capacitance in parallel with output；
The source electrode of the rectifier switch triode is connected with the ungrounded end of the second inductance, the grid of the rectifier switch triode Pole floating；
First inductance and the second inductance partner coupling inductance；
The first switch connects with the drain electrode of earthing switch triode；
The second switch connects with the source electrode of rectifier switch triode；
Bootstrap formula driving circuit includes: zener diode, first resistor, Bootstrap capacitor；
The anode of the zener diode is connected with the source electrode of the rectifier switch triode in the circuit of synchronous rectification, institute The cathode for stating zener diode is connected with the grid of the rectifier switch triode in the circuit of synchronous rectification；
The first resistor is in parallel with the zener diode；
One end of the Bootstrap capacitor is connected with the grid of the rectifier switch triode in the circuit of synchronous rectification, The other end floating of the Bootstrap capacitor.
The beneficial effects of the present invention are: present invention optimizes SEPIC circuit structure, using the minimum power-type of conducting resistance N-channel MOS FET increases Bootstrap formula driving circuit, earthing switch triode and rectifier switch as rectifier switch triode Triode ON order is opposite, turn-on time is complementary, passes through switch control earthing switch triode and rectifier switch triode Order of work realizes the synchronous rectification of synchronous rectification SEPIC converter；When the shutdown of earthing switch triode, rectifier switch When triode ON, other than switching loss, the loss on rectifier switch triode just only has extremely low conducting resistance to cause Loss significantly reduce circuit loss in the case where high duty ratio, improve the whole efficiency of SEPIC converter, In In the case where taking into account diode radiating encapsulation and radiating condition, the output current class of SEPIC converter is improved, so that SEPIC converter is preferably applied for battery charging and discharging, super capacitor charge and discharge, automotive-type application, it is desirable to provide multiple inputs The fields such as system, the biggish photovoltaic power generation of output voltage variation range in source.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is SEPIC converter working principle diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real Applying mode, the present invention is described in further detail.
It as shown in Fig. 1, is SEPIC converter working principle diagram of the present invention, including circuit of synchronous rectification and Bootstrap Formula driving circuit, the circuit of synchronous rectification include: input voltage UIN, the first inductance L1, the second inductance L2, input have electrode capacitance CIN, output have electrode capacitance COUT, earthing switch triode Q1, rectifier switch triode Q2, load resistance RL, first capacitor C1, One switch SW1, second switch SW2；
The input voltage UINOne end pass through the first inductance L1With earthing switch triode Q1Drain electrode is connected, the input Voltage UINThe other end connection input have electrode capacitance CINAfter be grounded；
The first capacitor C1One end and earthing switch triode Q1Drain electrode be connected, the first capacitor C1It is another End and rectifier switch triode Q2Source electrode be connected；
The earthing switch triode Q1Source electrode ground connection, the earthing switch triode Q1Grid floating；
The second inductance L2One end ground connection, the second inductance L2The other end pass through rectifier switch triode Q2With Output has electrode capacitance COUTIt is grounded after connection；
The load resistance RLThere is electrode capacitance C with outputOUTIt is in parallel；
The rectifier switch triode Q2Source electrode and the second inductance L2Ungrounded end is connected, the rectifier switch triode Q2Grid floating；
The first inductance L1With the second inductance L2Partner coupling inductance；
The first switch SW1With earthing switch triode Q1Drain electrode connect；
The second switch SW2With rectifier switch triode Q2Source electrode connect；
The Bootstrap formula driving circuit includes: zener diode D1, first resistor R1, Bootstrap capacitor C2；
The zener diode D1Anode with the circuit of synchronous rectification in rectifier switch triode Q2Source electrode phase Even, the zener diode D1Cathode and the circuit of synchronous rectification in rectifier switch triode Q2Grid be connected；
The first resistor R1With the zener diode D1It is in parallel；
The Bootstrap capacitor C2One end and the circuit of synchronous rectification in rectifier switch triode Q2Grid phase Even, the Bootstrap capacitor C2Other end floating.
The SEPIC circuit operating pattern of synchronous rectification structure are as follows: as connection first switch SW1, disconnect second switch SW2When, Input voltage UIN- the first inductance L1Earthing switch triode Q1Circuit and the second inductance L2First capacitor C1Earthing switch three Pole pipe Q1Circuit simultaneously turns on, rectifier switch triode Q2Shutdown, Bootstrap capacitor C2It is connected across second switch SW2And ground connection Between end, by resistance R1 to Bootstrap capacitor C2Charging；As connection second switch SW2, disconnect first switch SW1When, ground connection Switching transistor Q1Shutdown, rectifier switch triode Q2Conducting, Bootstrap capacitor C2Stop charging, Bootstrap capacitor C2Energy It is enough to provide and first capacitor C1Upper identical voltage is supplied in the driving pin L_G output of Bootstrap driving circuit high side Floating rectifier switch triode Q2Grid and source electrode between correct driving voltage；First resistor R1With zener diode D1It rises It is acted on to voltage clamping, by Q2Grid voltage is stablized in zener diode D1Operating voltage can restore correct rectifier switch three Pole pipe Q2Grid and source voltage offset, it is ensured that rectifier switch triode Q when stable state2Voltage is certainly between upper grid and source electrode It lifts booster driving circuit driving voltage and subtracts zener diode D1Forward conduction voltage drop ensures that on rectifier switch triode Steady-state loss it is minimum.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Embodiment described above is only that the preferred embodiment of invention is described, and is not limited the range of invention Fixed, without departing from the spirit of the design of the present invention, those of ordinary skill in the art make technical solution of the present invention Various changes and improvements should all be fallen into the protection scope that claims of the present invention determines.

Claims (3)

1. a kind of Bootstrap formula SEPIC converter based on synchronous rectification, which is characterized in that including circuit of synchronous rectification With Bootstrap formula driving circuit, the Bootstrap formula driving circuit is connected to the rectifier switch in the circuit of synchronous rectification Triode (Q2) grid and source electrode between；It include earthing switch triode (Q in the circuit of synchronous rectification1) and rectifier switch Triode (Q2), the earthing switch triode (Q1) and rectifier switch triode (Q2) order is opposite for conducting, turn-on time is mutual It mends, passes through earthing switch triode (Q described in switch control1) and rectifier switch triode (Q2) turn-on and turn-off, the ground connection Switching transistor (Q1) conducting when, Bootstrap formula driving circuit charges, the earthing switch triode (Q1) shutdown when, Bootstrap formula driving circuit is supplied to the rectifier switch triode (Q2) grid and source electrode between correct driving voltage, Make the rectifier switch triode (Q2) grid voltage it is synchronous with the holding of the output voltage phase of the circuit of synchronous rectification, from And realize synchronous rectification.
2. a kind of Bootstrap formula SEPIC converter based on synchronous rectification according to claim 1, feature exist In: rectifier switch triode (Q2) it is the minimum power-type N-channel MOS FET of conducting resistance.
3. a kind of Bootstrap formula SEPIC converter based on synchronous rectification according to claim 1, feature exist In: circuit of synchronous rectification includes: input voltage (UIN), the first inductance (L1), the second inductance (L2), input have electrode capacitance (CIN)、 Output has electrode capacitance (COUT), earthing switch triode (Q1), rectifier switch triode (Q2), load resistance (RL), first capacitor (C1), first switch (SW1), second switch (SW2)；
Input voltage (the UIN) one end pass through the first inductance (L1) and earthing switch triode (Q1) draining is connected, it is described defeated Enter voltage (UIN) the other end connection input have electrode capacitance (CIN) be grounded afterwards；
First capacitor (the C1) one end and earthing switch triode (Q1) drain electrode be connected, the first capacitor (C1) it is another One end and rectifier switch triode (Q2) source electrode be connected；
Earthing switch triode (the Q1) source electrode ground connection, the earthing switch triode (Q1) grid floating；
Second inductance (the L2) one end ground connection, the second inductance (L2) the other end pass through rectifier switch triode (Q2) There is electrode capacitance (C with outputOUT) be grounded after connection；
Load resistance (the RL) with output have electrode capacitance (COUT) in parallel；
Rectifier switch triode (the Q2) source electrode and the second inductance (L2) ungrounded end is connected, the rectifier switch triode (Q2) grid floating；
First inductance (the L1) and the second inductance (L2) partner coupling inductance；
First switch (the SW1) and earthing switch triode (Q1) drain electrode connect；
Second switch (the SW2) and rectifier switch triode (Q2) source electrode connect；
Bootstrap formula driving circuit includes: zener diode (D1), first resistor (R1), Bootstrap capacitor (C2)；
Zener diode (the D1) anode with the circuit of synchronous rectification in rectifier switch triode (Q2) source electrode phase Even, the zener diode (D1) cathode and the circuit of synchronous rectification in rectifier switch triode (Q2) grid be connected；
First resistor (the R1) and the zener diode (D1) in parallel；
Bootstrap capacitor (the C2) one end and the circuit of synchronous rectification in rectifier switch triode (Q2) grid phase Even, the Bootstrap capacitor (C2) other end floating.
CN201910704478.5A 2019-07-31 2019-07-31 A kind of Bootstrap formula SEPIC converter based on synchronous rectification Pending CN110391732A (en)

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Application Number Priority Date Filing Date Title
CN201910704478.5A CN110391732A (en) 2019-07-31 2019-07-31 A kind of Bootstrap formula SEPIC converter based on synchronous rectification

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Application Number Priority Date Filing Date Title
CN201910704478.5A CN110391732A (en) 2019-07-31 2019-07-31 A kind of Bootstrap formula SEPIC converter based on synchronous rectification

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1299529A (en) * 1998-05-07 2001-06-13 艾利森电话股份有限公司 Continuous mode flyback converter
CN205681311U (en) * 2016-05-12 2016-11-09 上海奉天电子股份有限公司 Use monolithic processor controlled bootstrap circuit boost
US20170294840A1 (en) * 2012-11-02 2017-10-12 Danmarks Tekniske Universitet Self-oscillating resonant power converter
CN110048607A (en) * 2019-05-30 2019-07-23 上海南芯半导体科技有限公司 A kind of conversion circuit and implementation method of seamless switching boosting and straight-through operating mode

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1299529A (en) * 1998-05-07 2001-06-13 艾利森电话股份有限公司 Continuous mode flyback converter
US20170294840A1 (en) * 2012-11-02 2017-10-12 Danmarks Tekniske Universitet Self-oscillating resonant power converter
CN205681311U (en) * 2016-05-12 2016-11-09 上海奉天电子股份有限公司 Use monolithic processor controlled bootstrap circuit boost
CN110048607A (en) * 2019-05-30 2019-07-23 上海南芯半导体科技有限公司 A kind of conversion circuit and implementation method of seamless switching boosting and straight-through operating mode

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KAWEEPOJ WORANETSUTTIKUL等: "Comparison on performance between synchronous single-ended primary-inductor converter SEPIC and synchronous ZETA converter", 《PROCEEDINGOF THE INTERNATIONAL ELECTRICAL ENGINEERING CONGRESS 2014》 *
RASHMI等: "A comparative study on DC motor drive fed by synchronous SEPIC converter and synchronous Zeta converter", 《2016 INTERNATIONAL CONFERENCE ON COMPUTATION OF POWER》 *

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