CN107210678B - 软切换回扫转换器 - Google Patents

软切换回扫转换器 Download PDF

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Publication number
CN107210678B
CN107210678B CN201680007995.1A CN201680007995A CN107210678B CN 107210678 B CN107210678 B CN 107210678B CN 201680007995 A CN201680007995 A CN 201680007995A CN 107210678 B CN107210678 B CN 107210678B
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switch
voltage
converter
control circuit
terminal
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CN201680007995.1A
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Chinese (zh)
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CN107210678A (zh
Inventor
艾萨克·科昂
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Texas Instruments Inc
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Texas Instruments Inc
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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
    • H02M3/22—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
    • 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
    • H02M1/0054—Transistor switching losses
    • H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
    • 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
    • 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
    • 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)
CN201680007995.1A 2015-02-06 2016-02-08 软切换回扫转换器 Active CN107210678B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562113188P 2015-02-06 2015-02-06
US62/113,188 2015-02-06
US15/007,262 US10116222B2 (en) 2015-02-06 2016-01-27 Soft switching flyback converter with primary control
US15/007,262 2016-01-27
PCT/US2016/017006 WO2016127176A1 (en) 2015-02-06 2016-02-08 Soft switching flyback converter

Publications (2)

Publication Number Publication Date
CN107210678A CN107210678A (zh) 2017-09-26
CN107210678B true CN107210678B (zh) 2019-11-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680007995.1A Active CN107210678B (zh) 2015-02-06 2016-02-08 软切换回扫转换器

Country Status (4)

Country Link
US (1) US10116222B2 (enExample)
JP (1) JP6634089B2 (enExample)
CN (1) CN107210678B (enExample)
WO (1) WO2016127176A1 (enExample)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105391305B (zh) * 2015-12-29 2017-09-19 杭州茂力半导体技术有限公司 隔离型开关变换器及其次级控制电路和控制方法
CN105978341B (zh) * 2016-06-01 2019-03-19 西安矽力杰半导体技术有限公司 副边控制电路、控制方法及应用其的反激式变换器
CN108075664B (zh) * 2016-11-07 2020-06-26 台达电子工业股份有限公司 变换器与其控制方法
US10651749B2 (en) * 2016-11-07 2020-05-12 Delta Electronics, Inc. Flyback converter with a passive clamp
US10141853B2 (en) * 2017-02-09 2018-11-27 Delta Electronics, Inc. Power converter and method of control thereof
US10333417B2 (en) * 2017-04-10 2019-06-25 Delta Electronics (Shanghai) Co., Ltd Device and method for controlling flyback converter
CN113595399A (zh) * 2017-04-10 2021-11-02 台达电子企业管理（上海）有限公司 控制装置及控制方法
CN113595398B (zh) * 2017-04-10 2024-02-02 台达电子企业管理（上海）有限公司 控制装置及控制方法
US10333418B2 (en) 2017-04-10 2019-06-25 Delta Electronics (Shanghai) Co., Ltd Control device and control method
CN108933539B (zh) * 2017-05-24 2020-01-14 明纬(广州)电子有限公司 同步整流装置
US10186976B2 (en) * 2017-06-12 2019-01-22 Power Integrations, Inc. Peak switching and optimal SR drive timing control
JP6937638B2 (ja) * 2017-08-25 2021-09-22 ローム株式会社 Ｄｃ／ｄｃコンバータおよびその制御回路、制御方法、ならびに電子機器
US10128766B1 (en) * 2017-08-29 2018-11-13 Nxp B.V. Method and apparatus for bi-directional switched mode power supply with fixed frequency operation
US10622908B2 (en) 2017-09-19 2020-04-14 Texas Instruments Incorporated Isolated DC-DC converter
US10122367B1 (en) 2017-09-22 2018-11-06 Texas Instruments Incorporated Isolated phase shifted DC to DC converter with frequency synthesizer to reconstruct primary clock
US10432102B2 (en) 2017-09-22 2019-10-01 Texas Instruments Incorporated Isolated phase shifted DC to DC converter with secondary side regulation and sense coil to reconstruct primary phase
IT201700107734A1 (it) * 2017-09-26 2019-03-26 St Microelectronics Srl Circuito di controllo e corrispondente dispositivo convertitore
US10566904B2 (en) 2017-10-16 2020-02-18 Texas Instruments Incorporated Multimode PWM converter with smooth mode transition
US10574147B2 (en) * 2018-01-16 2020-02-25 Texas Instruments Incorporated Methods and apparatus for zero voltage switching using flyback converters
US10530260B2 (en) * 2018-01-19 2020-01-07 Dialog Semiconductor Inc. Adaptive control for zero-voltage switching in a multi-switch switching power converter
CN109067181B (zh) * 2018-07-18 2019-11-22 东南大学 有源钳位反激变换器的自适应同步整流控制系统及控制方法
US10560012B1 (en) * 2018-07-27 2020-02-11 Richtek Technology Corporation ZVS control circuit for use in a flyback power converter
CN111162676B (zh) * 2018-11-08 2023-07-25 立锜科技股份有限公司 返驰式电源供应电路及其零电压切换控制电路与控制方法
CN111628632B (zh) * 2019-02-28 2022-03-01 立锜科技股份有限公司 返驰式电源供应电路及其零电压切换控制电路与控制方法
US11575316B2 (en) 2019-03-08 2023-02-07 Diodes Incorporated Input voltage adaptive jitter power converter
JP7212262B2 (ja) * 2019-03-27 2023-01-25 ミツミ電機株式会社 スイッチング電源装置
CN110190754B (zh) * 2019-06-13 2024-05-03 深圳线易微电子有限公司 转换器控制电路及芯片
TWI707527B (zh) * 2019-10-15 2020-10-11 立錡科技股份有限公司 返馳式電源供應電路及其中之二次側控制電路及控制方法
TWI721802B (zh) * 2019-10-24 2021-03-11 立錡科技股份有限公司 用以控制返馳式電源供應電路之切換控制電路及方法
US10944331B1 (en) * 2019-11-13 2021-03-09 Sync Power Corp. Converter and method for controlling thereof
CN111880038B (zh) * 2020-08-07 2022-04-01 广东电网有限责任公司 一种二次回路校对装置
TWI761935B (zh) * 2020-09-01 2022-04-21 亞源科技股份有限公司 具有減震控制之電源轉換裝置、減震控制模組及其操作方法
CN113541514B (zh) 2021-07-21 2023-03-14 艾科微电子(深圳)有限公司 同步整流控制器及其控制方法
CN113765404A (zh) * 2021-09-27 2021-12-07 江苏慧易芯科技有限公司 一种判断副边开关开启时间的方法及其开关电源电路
DE102021211372A1 (de) * 2021-10-08 2023-04-13 Adidas Ag System für eine Schuhsohle, Verfahren zum Betreiben des Systems, eine Schuhsohle, und ein Schuh
US12431816B1 (en) * 2021-11-18 2025-09-30 Microchip Technology Incorporated Secondary-side flyback converter controller
US12074528B2 (en) * 2022-01-13 2024-08-27 Cypress Semiconductor Corporation Secondary side controlled QR flyback converter using a programmable valley algorithm
CN118661368A (zh) * 2022-02-28 2024-09-17 松下电器株式会社 电力转换系统
CN116054594B (zh) * 2023-04-01 2023-06-23 苏州美思迪赛半导体技术有限公司 一种同时具备模拟反馈和数字反馈的开关电源系统
CN116054593B (zh) * 2023-04-01 2023-06-13 苏州美思迪赛半导体技术有限公司 一种开关电源通过变压器传递信息的方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5768118A (en) * 1996-05-01 1998-06-16 Compaq Computer Corporation Reciprocating converter
CN1478318A (zh) * 2000-11-11 2004-02-25 ������������ʽ���� 功率变换器
CN102447394A (zh) * 2010-09-30 2012-05-09 英飞凌科技股份有限公司 具有自适应受控整流器布置的回扫转换器
CN102723856A (zh) * 2012-07-02 2012-10-10 矽力杰半导体技术(杭州)有限公司 一种同步整流控制电路以及应用其的开关电源
CN103812362A (zh) * 2012-11-14 2014-05-21 光宝科技股份有限公司 返驰式电源转换器与电子装置
CN103944392A (zh) * 2013-01-22 2014-07-23 电力集成公司 用于在同步回扫转换器中使用的次级控制器
CN104065275A (zh) * 2014-06-16 2014-09-24 矽力杰半导体技术(杭州)有限公司 零电压开关的准谐振控制电路及控制方法及反激式变换器
WO2014183132A1 (en) * 2013-05-10 2014-11-13 Rompower Energy Systems, Inc. Soft transition switching transistor-based forward converter

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5457624A (en) 1994-06-13 1995-10-10 Texas Instruments Incorporated Efficient switched mode power converter circuit and method
JPH11220880A (ja) * 1997-11-26 1999-08-10 Nagano Japan Radio Co 電源装置
US6535400B2 (en) 2001-03-30 2003-03-18 Texas Instruments Incorporated Control circuit for synchronous rectifiers in DC/DC converters to reduce body diode conduction losses
US6441598B1 (en) 2001-11-05 2002-08-27 Texas Instruments Incorporated Synchronous rectifier circuit and method of use in switching voltage converter
US6686729B1 (en) 2002-10-15 2004-02-03 Texas Instruments Incorporated DC/DC switching regulator having reduced switching loss
US6859020B2 (en) 2002-10-15 2005-02-22 Texas Instruments Incorporated Low power mode detection circuit for a DC/DC converter
US6861826B2 (en) 2003-03-31 2005-03-01 Texas Instruments Incorporated Timing circuit for synchronous DC/DC control to reduce synchronous rectifier body diode conduction
US7952892B2 (en) * 2006-04-04 2011-05-31 Power Integrations, Inc. DC converters with constant and variable duty ratio switching
US8278889B2 (en) 2007-05-30 2012-10-02 Texas Instruments Incorporated Adaptive rectifier architecture and method for switching regulators
US7869231B2 (en) 2008-07-31 2011-01-11 Texas Instruments Incorporated System and method for synchronous rectifier drive that enables converters to operate in transition and discontinuous mode
US8054655B2 (en) * 2008-11-03 2011-11-08 Monolithie Power Systems, Inc. Tail current control of isolated converter and apparatus thereof
US20100195254A1 (en) 2009-02-02 2010-08-05 Texas Instruments Incorporated Overcurrent and brown out protection apparatus
US8587967B2 (en) 2009-06-10 2013-11-19 Texas Instruments Incorporated System and method for indirect control of a converter output
US20110090725A1 (en) 2009-10-20 2011-04-21 Texas Instruments Inc Systems and Methods of Synchronous Rectifier Control
US8891268B2 (en) 2010-02-19 2014-11-18 Texas Instruments Incorporated System and method for soft-starting an isolated power supply system
US8963529B2 (en) 2011-04-28 2015-02-24 Texas Instruments Incorporated Transition mode charge control for a power converter
US20130077356A1 (en) 2011-09-28 2013-03-28 Texas Instruments Incorporated Dc-dc converters
US8964420B2 (en) 2011-12-13 2015-02-24 Apple Inc. Zero voltage switching in flyback converters with variable input voltages
US8570772B2 (en) * 2012-01-26 2013-10-29 Linear Technology Corporation Isolated flyback converter with efficient light load operation
CN103378751B (zh) * 2012-04-12 2015-04-01 昂宝电子（上海）有限公司 用于开关反激式电源变换系统的系统和方法
US9413246B2 (en) * 2012-04-12 2016-08-09 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms
US9882497B2 (en) * 2012-09-28 2018-01-30 Microchip Technology Incorporated Soft switching synchronous quasi resonant converter
JP6167643B2 (ja) * 2013-04-25 2017-07-26 株式会社リコー 電源装置、画像形成装置及び電子機器
US9369051B2 (en) 2013-10-02 2016-06-14 Texas Instruments Incorporated Interleaved forward converter with wide input and output dynamic range
US9236809B2 (en) 2013-10-16 2016-01-12 Texas Instruments Incorporated Automatic timing adjustment for synchronous rectifier circuit
US9509220B2 (en) 2014-01-24 2016-11-29 Texas Instruments Incorporated Bi-modal voltage converter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5768118A (en) * 1996-05-01 1998-06-16 Compaq Computer Corporation Reciprocating converter
CN1478318A (zh) * 2000-11-11 2004-02-25 ������������ʽ���� 功率变换器
CN102447394A (zh) * 2010-09-30 2012-05-09 英飞凌科技股份有限公司 具有自适应受控整流器布置的回扫转换器
CN102723856A (zh) * 2012-07-02 2012-10-10 矽力杰半导体技术(杭州)有限公司 一种同步整流控制电路以及应用其的开关电源
CN103812362A (zh) * 2012-11-14 2014-05-21 光宝科技股份有限公司 返驰式电源转换器与电子装置
CN103944392A (zh) * 2013-01-22 2014-07-23 电力集成公司 用于在同步回扫转换器中使用的次级控制器
WO2014183132A1 (en) * 2013-05-10 2014-11-13 Rompower Energy Systems, Inc. Soft transition switching transistor-based forward converter
CN104065275A (zh) * 2014-06-16 2014-09-24 矽力杰半导体技术(杭州)有限公司 零电压开关的准谐振控制电路及控制方法及反激式变换器

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Publication number Publication date
US20160233779A1 (en) 2016-08-11
JP2018504882A (ja) 2018-02-15
WO2016127176A1 (en) 2016-08-11
US10116222B2 (en) 2018-10-30
JP6634089B2 (ja) 2020-01-22
CN107210678A (zh) 2017-09-26

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