TW200513013A - Active clamping circuit and power supply system using the same - Google Patents

Active clamping circuit and power supply system using the same

Info

Publication number
TW200513013A
TW200513013A TW092126596A TW92126596A TW200513013A TW 200513013 A TW200513013 A TW 200513013A TW 092126596 A TW092126596 A TW 092126596A TW 92126596 A TW92126596 A TW 92126596A TW 200513013 A TW200513013 A TW 200513013A
Authority
TW
Taiwan
Prior art keywords
circuit
active clamping
output voltage
clamping circuit
output
Prior art date
Application number
TW092126596A
Other languages
English (en)
Chinese (zh)
Other versions
TWI299606B (https=
Inventor
Steve Weng
Kai-Fu Chen
sheng-zhong Huang
zhi-rong Lin
Original Assignee
Asustek Comp 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 Asustek Comp Inc filed Critical Asustek Comp Inc
Priority to TW092126596A priority Critical patent/TW200513013A/zh
Priority to US10/910,339 priority patent/US7078882B2/en
Publication of TW200513013A publication Critical patent/TW200513013A/zh
Application granted granted Critical
Publication of TWI299606B publication Critical patent/TWI299606B/zh

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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/34—Snubber circuits
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/1213—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/34—Snubber circuits
    • H02M1/342—Active non-dissipative snubbers
    • 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)
TW092126596A 2003-09-26 2003-09-26 Active clamping circuit and power supply system using the same TW200513013A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW092126596A TW200513013A (en) 2003-09-26 2003-09-26 Active clamping circuit and power supply system using the same
US10/910,339 US7078882B2 (en) 2003-09-26 2004-08-04 Active clamping circuit and power supply system using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW092126596A TW200513013A (en) 2003-09-26 2003-09-26 Active clamping circuit and power supply system using the same

Publications (2)

Publication Number Publication Date
TW200513013A true TW200513013A (en) 2005-04-01
TWI299606B TWI299606B (https=) 2008-08-01

Family

ID=34374589

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092126596A TW200513013A (en) 2003-09-26 2003-09-26 Active clamping circuit and power supply system using the same

Country Status (2)

Country Link
US (1) US7078882B2 (https=)
TW (1) TW200513013A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103973110A (zh) * 2013-01-30 2014-08-06 辉达公司 电流停泊切换调节器下游控制器
CN113760032A (zh) * 2021-09-18 2021-12-07 普冉半导体(上海)股份有限公司 一种低功耗钳位电路

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7321523B2 (en) * 2004-12-30 2008-01-22 Asustek Computer Inc. System for monitoring processing device utilization in a computer
JP4984569B2 (ja) * 2005-03-18 2012-07-25 富士通株式会社 スイッチングコンバータ
ITTO20050402A1 (it) * 2005-06-10 2006-12-11 Selenia Comm S P A Convertitore di potenza ad alta efficienza, modulatore e trasmettitore che lo utilizzano
US7777459B2 (en) * 2006-12-30 2010-08-17 Advanced Analogic Technologies, Inc. High-efficiency DC/DC voltage converter including capacitive switching pre-converter and down inductive switching post-regulator
US7812579B2 (en) * 2006-12-30 2010-10-12 Advanced Analogic Technologies, Inc. High-efficiency DC/DC voltage converter including capacitive switching pre-converter and up inductive switching post-regulator
US8054058B2 (en) * 2007-04-17 2011-11-08 Queen's Univeristy At Kingston DC-DC converter with improved dynamic response
US20090016091A1 (en) * 2007-07-13 2009-01-15 Blackstone-Ney Ultrasonics, Inc. Circuit and system for ultrasonic power regulation
US8102162B2 (en) * 2008-07-30 2012-01-24 Intersil Americas Inc. Buck controller having integrated boost control and driver
US8093874B1 (en) 2008-08-04 2012-01-10 National Semiconductor Corporation Method and system for adding boost functionality to a buck switcher with minimal cost
JP5558729B2 (ja) * 2009-03-23 2014-07-23 キヤノン株式会社 コンバータ、スイッチング電源及び画像形成装置
US20100327963A1 (en) * 2009-06-26 2010-12-30 Battelle Memorial Institute Active Snubbers Providing Acceleration, Damping, and Error Correction
TWI407694B (zh) * 2010-01-27 2013-09-01 Novatek Microelectronics Corp 可抑制電壓過衝之輸出緩衝電路及方法
US8743523B2 (en) 2010-07-28 2014-06-03 General Electric Company Systems, methods, and apparatus for limiting voltage across a switch
US9172303B2 (en) * 2010-09-30 2015-10-27 Stmicroelectronics International N.V. Power management unit systems and methods
US9395738B2 (en) 2013-01-28 2016-07-19 Nvidia Corporation Current-parking switching regulator with a split inductor
US9804621B2 (en) 2013-02-05 2017-10-31 Nvidia Corporation Current-parking switching regulator downstream controller pre-driver
US9459635B2 (en) 2013-02-08 2016-10-04 Nvidia Corporation Current-parking switching regulator upstream controller
US9639102B2 (en) 2013-02-19 2017-05-02 Nvidia Corporation Predictive current sensing
US9389617B2 (en) 2013-02-19 2016-07-12 Nvidia Corporation Pulsed current sensing
WO2020003103A1 (en) * 2018-06-25 2020-01-02 Endura Technologies (International) Limited Combined inductive and switched capacitive power supply conversion
US10797593B1 (en) 2019-04-23 2020-10-06 Analog Devices International Unlimited Company Kappa switching DC-DC converter with continuous input and output currents

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6600298B2 (en) * 2001-10-31 2003-07-29 Dell Products L.P. Switching DC-DC converter with the output voltage changing inversely to any change in the converter inductor current
US6724174B1 (en) * 2002-09-12 2004-04-20 Linear Technology Corp. Adjustable minimum peak inductor current level for burst mode in current-mode DC-DC regulators
US6737846B1 (en) * 2002-12-17 2004-05-18 Green Power Technologies Ltd. Method and voltage feedback circuitry for improving the performance of APFC converters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103973110A (zh) * 2013-01-30 2014-08-06 辉达公司 电流停泊切换调节器下游控制器
CN113760032A (zh) * 2021-09-18 2021-12-07 普冉半导体(上海)股份有限公司 一种低功耗钳位电路

Also Published As

Publication number Publication date
US7078882B2 (en) 2006-07-18
TWI299606B (https=) 2008-08-01
US20050068794A1 (en) 2005-03-31

Similar Documents

Publication Publication Date Title
TW200513013A (en) Active clamping circuit and power supply system using the same
KR101569903B1 (ko) 스위치 제어 장치 및 이를 포함하는 컨버터
US9118255B2 (en) Flyback power converter and electronic apparatus
US10164539B1 (en) Power conversion system with clamp mode switching
CN101552560A (zh) 一种开关稳压电路及其控制方法
EP2911282A1 (en) Power source and power source voltage regulating method
CN114900050B (zh) 反激电源系统及变压器初次级耦合反馈稳压方法
CN113794379B (zh) 级联变换器及其控制方法
US20090289692A1 (en) Nagative voltage switch
WO2001003277A3 (en) Control of dc/dc converters having synchronous rectifiers
US7848119B2 (en) Direct current to direct current converter
CN105471231B (zh) 一种Flyback交直流转换电路及反激式电压转换器
CN104836328A (zh) 一种电源装置及其工作方法
CN115589155A (zh) 非对称半桥反激电路的控制电路、电源模组和电子设备
US8692524B2 (en) DC-to-DC conversion apparatus
US20210226533A1 (en) Converter, step-down method based on the converter and electronic device
US7944713B2 (en) Electric power conversion circuit having transfer gain variable by pulse-width modulation
US20230369963A1 (en) Systems and methods for driving bipolar transistors related to power converters
CN101752829B (zh) 一种欠压保护电路及开关电源
CN105471291A (zh) 一种反激式ac-dc电压转换电路及反激式电压转换器
CN204559393U (zh) 一种开关电源控制芯片及反激式ac-dc转换器
KR101861367B1 (ko) 동기정류기형 저전압직류변환기
CN210721185U (zh) 一种基于负载大小的二阶稳压电路
CN103259405A (zh) Dcdc转换器
TW200513011A (en) Active virtual loading and power supply system

Legal Events

Date Code Title Description
MK4A Expiration of patent term of an invention patent