ATE476780T1 - Stromwandler mit schaltungen zur verbesserten betriebssteuerung von synchrongleichrichtern in demselben - Google Patents

Stromwandler mit schaltungen zur verbesserten betriebssteuerung von synchrongleichrichtern in demselben

Info

Publication number
ATE476780T1
ATE476780T1 AT02250888T AT02250888T ATE476780T1 AT E476780 T1 ATE476780 T1 AT E476780T1 AT 02250888 T AT02250888 T AT 02250888T AT 02250888 T AT02250888 T AT 02250888T AT E476780 T1 ATE476780 T1 AT E476780T1
Authority
AT
Austria
Prior art keywords
circuit
drive circuit
same
current transformer
synchronous rectifiers
Prior art date
Application number
AT02250888T
Other languages
English (en)
Inventor
Hengchun Mao
Yimin Jiang
Original Assignee
Netpower Technologies Inc
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 Netpower Technologies Inc filed Critical Netpower Technologies Inc
Application granted granted Critical
Publication of ATE476780T1 publication Critical patent/ATE476780T1/de

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
    • H02M3/33569—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
    • H02M3/33576—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 having at least one active switching element at the secondary side of an isolation transformer
    • H02M3/33592—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 having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Rectifiers (AREA)
AT02250888T 2001-02-09 2002-02-08 Stromwandler mit schaltungen zur verbesserten betriebssteuerung von synchrongleichrichtern in demselben ATE476780T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26783601P 2001-02-09 2001-02-09
US10/062,639 US6674658B2 (en) 2001-02-09 2002-02-01 Power converter including circuits for improved operational control of synchronous rectifiers therein

Publications (1)

Publication Number Publication Date
ATE476780T1 true ATE476780T1 (de) 2010-08-15

Family

ID=26742513

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02250888T ATE476780T1 (de) 2001-02-09 2002-02-08 Stromwandler mit schaltungen zur verbesserten betriebssteuerung von synchrongleichrichtern in demselben

Country Status (4)

Country Link
US (1) US6674658B2 (de)
EP (1) EP1231705B1 (de)
AT (1) ATE476780T1 (de)
DE (1) DE60237176D1 (de)

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US20050286273A1 (en) * 2004-06-25 2005-12-29 Andrew Ferencz Self-drive for synchronous rectifiers
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JP4701749B2 (ja) * 2005-02-25 2011-06-15 サンケン電気株式会社 直流変換装置
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US20070211500A1 (en) * 2006-03-02 2007-09-13 Hipro Electronic Co., Ltd DC-DC converter with direct driven synchronous rectifier
US8279637B2 (en) * 2006-05-29 2012-10-02 Koninklijke Philips Electronics N.V. Generating drive signals for a synchronous rectification switch of a flyback converter
US7940536B2 (en) * 2006-05-30 2011-05-10 International Rectifier Corporation Flyback converter with improved synchronous rectification
US7787261B2 (en) 2006-11-01 2010-08-31 Synqor, Inc. Intermediate bus architecture with a quasi-regulated bus converter
US9197132B2 (en) * 2006-12-01 2015-11-24 Flextronics International Usa, Inc. Power converter with an adaptive controller and method of operating the same
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JP5167941B2 (ja) * 2008-05-13 2013-03-21 ミツミ電機株式会社 電源装置
US7751213B2 (en) * 2008-05-20 2010-07-06 Harris Corporation Self-driven synchronous rectifier
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US8373403B1 (en) * 2008-08-08 2013-02-12 Power-One, Inc. Circuit for controlling synchronous rectifiers during start-up into pre-biased output voltage
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CN102342008B (zh) * 2009-01-19 2016-08-03 伟创力国际美国公司 用于功率转换器的控制器
US8520414B2 (en) * 2009-01-19 2013-08-27 Power Systems Technologies, Ltd. Controller for a power converter
PL217306B1 (pl) * 2009-03-25 2014-07-31 Azo Digital Spółka Z Ograniczoną Odpowiedzialnością Prostownik synchroniczny LLC oraz zasilacz komputerowy standardu ATX
US9019061B2 (en) * 2009-03-31 2015-04-28 Power Systems Technologies, Ltd. Magnetic device formed with U-shaped core pieces and power converter employing the same
US8643222B2 (en) * 2009-06-17 2014-02-04 Power Systems Technologies Ltd Power adapter employing a power reducer
US9077248B2 (en) 2009-06-17 2015-07-07 Power Systems Technologies Ltd Start-up circuit for a power adapter
US8514593B2 (en) * 2009-06-17 2013-08-20 Power Systems Technologies, Ltd. Power converter employing a variable switching frequency and a magnetic device with a non-uniform gap
US8638578B2 (en) * 2009-08-14 2014-01-28 Power System Technologies, Ltd. Power converter including a charge pump employable in a power adapter
US8976549B2 (en) * 2009-12-03 2015-03-10 Power Systems Technologies, Ltd. Startup circuit including first and second Schmitt triggers and power converter employing the same
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US8472833B2 (en) * 2009-12-21 2013-06-25 Canon Kabushiki Kaisha Power supply and image forming apparatus
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US9246391B2 (en) 2010-01-22 2016-01-26 Power Systems Technologies Ltd. Controller for providing a corrected signal to a sensed peak current through a circuit element of a power converter
CN102870320B (zh) 2010-03-17 2016-11-02 电力系统技术有限公司 功率转换器的控制系统及其操作方法
WO2011119850A2 (en) * 2010-03-26 2011-09-29 Power Systems Technologies, Ltd. Power adapter having a universal serial bus hub
US8929103B2 (en) * 2011-03-23 2015-01-06 Pai Capital Llc Integrated magnetics with isolated drive circuit
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US10263508B2 (en) * 2015-07-21 2019-04-16 Christopher Donovan Davidson Single stage isolated AC/DC power factor corrected converter
US10707747B2 (en) 2015-07-21 2020-07-07 Christopher Donovan Davidson Single stage isolated AC/DC power factor corrected converter
US20190036459A1 (en) * 2017-04-28 2019-01-31 Astec International Limited Flyback power converters including adaptive clamp circuits for adjusting resonant frequencies
US10116224B1 (en) * 2017-06-14 2018-10-30 Northrop Grumman Systems Corporation Switching power converter circuit
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Also Published As

Publication number Publication date
DE60237176D1 (de) 2010-09-16
EP1231705A3 (de) 2003-12-03
EP1231705B1 (de) 2010-08-04
EP1231705A2 (de) 2002-08-14
US6674658B2 (en) 2004-01-06
US20020110005A1 (en) 2002-08-15

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