TW200951451A - An apparatus and a method for detecting a switching current of a power converter - Google Patents

An apparatus and a method for detecting a switching current of a power converter

Info

Publication number
TW200951451A
TW200951451A TW097149336A TW97149336A TW200951451A TW 200951451 A TW200951451 A TW 200951451A TW 097149336 A TW097149336 A TW 097149336A TW 97149336 A TW97149336 A TW 97149336A TW 200951451 A TW200951451 A TW 200951451A
Authority
TW
Taiwan
Prior art keywords
signal
switching
power converter
current
switching current
Prior art date
Application number
TW097149336A
Other languages
English (en)
Other versions
TWI390212B (zh
Inventor
Ta-Yung Yang
Chuh-Ching Li
Sheng-Fu Hsu
Li Lin
Jung-Sheng Chen
Original Assignee
System General Corp
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 System General Corp filed Critical System General Corp
Publication of TW200951451A publication Critical patent/TW200951451A/zh
Application granted granted Critical
Publication of TWI390212B publication Critical patent/TWI390212B/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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dc-Dc Converters (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Inverter Devices (AREA)
TW097149336A 2008-06-13 2008-12-18 偵測一功率轉換器之一切換電流之裝置及其方法 TWI390212B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13190608P 2008-06-13 2008-06-13
US12/255,089 US7965528B2 (en) 2008-06-13 2008-10-21 Method and apparatus for measuring the switching current of power converter operated at continuous current mode

Publications (2)

Publication Number Publication Date
TW200951451A true TW200951451A (en) 2009-12-16
TWI390212B TWI390212B (zh) 2013-03-21

Family

ID=40946642

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097149336A TWI390212B (zh) 2008-06-13 2008-12-18 偵測一功率轉換器之一切換電流之裝置及其方法

Country Status (3)

Country Link
US (1) US7965528B2 (zh)
CN (1) CN101499730B (zh)
TW (1) TWI390212B (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI469491B (zh) * 2011-09-14 2015-01-11 System General Corp 控制器
TWI474590B (zh) * 2012-12-26 2015-02-21 Univ Nat Taiwan 減少電源轉換器輸出電流誤差之控制電路與其控制方法
TWI482976B (zh) * 2010-04-14 2015-05-01 System General Corp 偵測磁性裝置之連續電流模式運作的方法及裝置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9197132B2 (en) * 2006-12-01 2015-11-24 Flextronics International Usa, Inc. Power converter with an adaptive controller and method of operating the same
US7675759B2 (en) * 2006-12-01 2010-03-09 Flextronics International Usa, Inc. Power system with power converters having an adaptive controller
US7468649B2 (en) 2007-03-14 2008-12-23 Flextronics International Usa, Inc. Isolated power converter
CN102217181B (zh) * 2008-11-14 2014-09-03 伟创力国际美国公司 用于同步整流器的驱动器以及采用该驱动器的功率转换器
WO2010083514A1 (en) * 2009-01-19 2010-07-22 Flextronics International Usa, Inc. Controller for a power converter
CN102342007B (zh) 2009-01-19 2015-01-07 伟创力国际美国公司 用于功率转换器的控制器
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
CN101645658B (zh) * 2009-05-27 2013-09-18 北京中星微电子有限公司 反激式电源转换器及反激式电源转换器的环路控制方法
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
US9077248B2 (en) 2009-06-17 2015-07-07 Power Systems Technologies Ltd Start-up circuit for a power adapter
US8643222B2 (en) * 2009-06-17 2014-02-04 Power Systems Technologies Ltd Power adapter employing a power reducer
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
US8520420B2 (en) 2009-12-18 2013-08-27 Power Systems Technologies, Ltd. Controller for modifying dead time between switches in a power converter
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
US8787043B2 (en) 2010-01-22 2014-07-22 Power Systems Technologies, Ltd. Controller for a power converter and method of operating the same
WO2011116225A1 (en) 2010-03-17 2011-09-22 Power Systems Technologies, Ltd. Control system for a power converter and method of operating the same
US8164928B2 (en) * 2010-04-28 2012-04-24 System General Corporation Method and apparatus of operating a primary-side-regulation power converter at both continuous current mode and discontinuous current mode
US8792257B2 (en) 2011-03-25 2014-07-29 Power Systems Technologies, Ltd. Power converter with reduced power dissipation
US8792256B2 (en) 2012-01-27 2014-07-29 Power Systems Technologies Ltd. Controller for a switch and method of operating the same
US9190898B2 (en) 2012-07-06 2015-11-17 Power Systems Technologies, Ltd Controller for a power converter and method of operating the same
US9106130B2 (en) 2012-07-16 2015-08-11 Power Systems Technologies, Inc. Magnetic device and power converter employing the same
US9099232B2 (en) 2012-07-16 2015-08-04 Power Systems Technologies Ltd. Magnetic device and power converter employing the same
US9214264B2 (en) 2012-07-16 2015-12-15 Power Systems Technologies, Ltd. Magnetic device and power converter employing the same
US9379629B2 (en) 2012-07-16 2016-06-28 Power Systems Technologies, Ltd. Magnetic device and power converter employing the same
US9240712B2 (en) 2012-12-13 2016-01-19 Power Systems Technologies Ltd. Controller including a common current-sense device for power switches of a power converter
US9300206B2 (en) 2013-11-15 2016-03-29 Power Systems Technologies Ltd. Method for estimating power of a power converter
US10541618B2 (en) * 2017-08-09 2020-01-21 Infineon Technologies Austria Ag Method and apparatus for measuring at least one of output current and output power for isolated power converters
US11668737B2 (en) * 2021-03-10 2023-06-06 Dell Products L.P. Self-calibrating transmission line resonator oscillating driver apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5839092A (en) * 1997-03-26 1998-11-17 Square D Company Arcing fault detection system using fluctuations in current peaks and waveforms
US7061225B2 (en) * 2004-06-29 2006-06-13 System General Corp. Apparatus and method thereof for measuring output current from primary side of power converter
US20080157740A1 (en) * 2006-12-18 2008-07-03 Decicon, Inc. Hybrid low dropout voltage regulator circuit
US7518416B2 (en) * 2007-06-14 2009-04-14 System General Corp. Method and apparatus for detecting switching current of magnetic device operated in continuous current mode

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI482976B (zh) * 2010-04-14 2015-05-01 System General Corp 偵測磁性裝置之連續電流模式運作的方法及裝置
TWI469491B (zh) * 2011-09-14 2015-01-11 System General Corp 控制器
TWI474590B (zh) * 2012-12-26 2015-02-21 Univ Nat Taiwan 減少電源轉換器輸出電流誤差之控制電路與其控制方法
US9225250B2 (en) 2012-12-26 2015-12-29 National Taiwan University Control circuit with current sampling mechanism for reducing current error of output of power converter and control method thereof

Also Published As

Publication number Publication date
CN101499730A (zh) 2009-08-05
US7965528B2 (en) 2011-06-21
TWI390212B (zh) 2013-03-21
CN101499730B (zh) 2012-08-22
US20090310388A1 (en) 2009-12-17

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