WO2008121398A3 - Primary only control quasi resonant convertor - Google Patents

Primary only control quasi resonant convertor Download PDF

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Publication number
WO2008121398A3
WO2008121398A3 PCT/US2008/004184 US2008004184W WO2008121398A3 WO 2008121398 A3 WO2008121398 A3 WO 2008121398A3 US 2008004184 W US2008004184 W US 2008004184W WO 2008121398 A3 WO2008121398 A3 WO 2008121398A3
Authority
WO
WIPO (PCT)
Prior art keywords
primary
transformer
converter circuit
coupled
switching element
Prior art date
Application number
PCT/US2008/004184
Other languages
French (fr)
Other versions
WO2008121398A2 (en
Inventor
Mark Telefus
Farzan Bob Roohparvar
Original Assignee
Flextronics Ap, Llc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Flextronics Ap, Llc filed Critical Flextronics Ap, Llc
Priority to CN2008800103710A priority Critical patent/CN101842762B/en
Publication of WO2008121398A2 publication Critical patent/WO2008121398A2/en
Publication of WO2008121398A3 publication Critical patent/WO2008121398A3/en

Links

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
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
    • 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
    • H02M3/01—Resonant DC/DC converters
    • 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
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H02M3/33571—Half-bridge at primary side of an isolation transformer
    • 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
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H02M3/33573—Full-bridge at primary side of an isolation transformer
    • 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

Abstract

A power supply apparatus and method of regulating Is provided. A converter circuit Includes a primary switching element and an auxiliary switching element. The auxiliary switching element is far transferring a reflected voltage signal. A transformer Includes a primary and a secondary, the primary Is coupled with the converter circuit. The primary and secondary each Include a single winding. An output rectifier circuit Is coupled with the secondary of the transformer. A resonant circuit Is Included in the converter circuit and is coupled with the primary. The resonant circuit Includes one or more resonance capacitors that are configured for providing a transformer resonance. The transformer resonance comprises the reflected voltage signal, the capacitance of the one or more resonance capacitors and a parasitic capacitance of the transformer. The converter circuit Is responsive to the output voltage reference signal In regulating an output voltage.
PCT/US2008/004184 2007-03-29 2008-03-28 Primary only control quasi resonant convertor WO2008121398A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008800103710A CN101842762B (en) 2007-03-29 2008-03-28 Primary only control quasi resonant convertor

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US92122007P 2007-03-29 2007-03-29
US60/921,220 2007-03-29
US12/079,815 2008-03-27
US12/079,815 US7760519B2 (en) 2007-03-29 2008-03-27 Primary only control quasi resonant convertor

Publications (2)

Publication Number Publication Date
WO2008121398A2 WO2008121398A2 (en) 2008-10-09
WO2008121398A3 true WO2008121398A3 (en) 2010-06-17

Family

ID=41061297

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/004184 WO2008121398A2 (en) 2007-03-29 2008-03-28 Primary only control quasi resonant convertor

Country Status (3)

Country Link
US (1) US7760519B2 (en)
CN (1) CN101842762B (en)
WO (1) WO2008121398A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9019726B2 (en) 2012-07-13 2015-04-28 Flextronics Ap, Llc Power converters with quasi-zero power consumption
US9118253B2 (en) 2012-08-15 2015-08-25 Flextronics Ap, Llc Energy conversion architecture with secondary side control delivered across transformer element
US9323267B2 (en) 2013-03-14 2016-04-26 Flextronics Ap, Llc Method and implementation for eliminating random pulse during power up of digital signal controller
US9494658B2 (en) 2013-03-14 2016-11-15 Flextronics Ap, Llc Approach for generation of power failure warning signal to maximize useable hold-up time with AC/DC rectifiers
US9490651B2 (en) 2013-03-15 2016-11-08 Flextronics Ap, Llc Sweep frequency mode for magnetic resonant power transmission
US9184668B2 (en) 2013-03-15 2015-11-10 Flextronics Ap, Llc Power management integrated circuit partitioning with dedicated primary side control winding

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Also Published As

Publication number Publication date
US20080238389A1 (en) 2008-10-02
US7760519B2 (en) 2010-07-20
CN101842762A (en) 2010-09-22
WO2008121398A2 (en) 2008-10-09
CN101842762B (en) 2013-03-27

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