DK1544703T3 - Strömdetekteringskreds til DC/DC downkonvertere - Google Patents

Strömdetekteringskreds til DC/DC downkonvertere

Info

Publication number
DK1544703T3
DK1544703T3 DK03392013T DK03392013T DK1544703T3 DK 1544703 T3 DK1544703 T3 DK 1544703T3 DK 03392013 T DK03392013 T DK 03392013T DK 03392013 T DK03392013 T DK 03392013T DK 1544703 T3 DK1544703 T3 DK 1544703T3
Authority
DK
Denmark
Prior art keywords
inductor current
source
sense
voltage drop
current
Prior art date
Application number
DK03392013T
Other languages
English (en)
Inventor
Eric Marschalkowski
John Malcolm
Original Assignee
Dialog Semiconductor Gmbh
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 Dialog Semiconductor Gmbh filed Critical Dialog Semiconductor Gmbh
Application granted granted Critical
Publication of DK1544703T3 publication Critical patent/DK1544703T3/da

Links

Classifications

    • 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—Measuring current only
    • 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
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0009—Devices or circuits for detecting current in a converter
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dc-Dc Converters (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Amplifiers (AREA)
DK03392013T 2003-12-15 2003-12-15 Strömdetekteringskreds til DC/DC downkonvertere DK1544703T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03392013A EP1544703B1 (en) 2003-12-15 2003-12-15 Current sensing circuit for DC/DC buck converters

Publications (1)

Publication Number Publication Date
DK1544703T3 true DK1544703T3 (da) 2008-09-08

Family

ID=34486533

Family Applications (1)

Application Number Title Priority Date Filing Date
DK03392013T DK1544703T3 (da) 2003-12-15 2003-12-15 Strömdetekteringskreds til DC/DC downkonvertere

Country Status (5)

Country Link
US (1) US6992473B2 (da)
EP (1) EP1544703B1 (da)
AT (1) ATE394728T1 (da)
DE (1) DE60320815D1 (da)
DK (1) DK1544703T3 (da)

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US7514992B2 (en) * 2005-12-23 2009-04-07 Intersil Americas Inc. Circuit for generating precision soft-start frequency for either value of address bit applied to external reset pin
US7375503B2 (en) * 2006-01-11 2008-05-20 Atmel Corporation System for current sensing in switched DC-to-DC converters
DE102006007480B8 (de) * 2006-02-17 2017-12-07 Infineon Technologies Ag Schaltungsanordnung und Verfahren zum Erfassen eines Laststroms
US7336085B2 (en) * 2006-02-17 2008-02-26 Infineon Technologies Ag Current sensing circuit
US7615989B2 (en) * 2006-10-06 2009-11-10 Honeywell International Inc. Method and apparatus for DC integrated current sensor
US8089813B2 (en) * 2008-07-18 2012-01-03 International Business Machines Corporation Controllable voltage reference driver for a memory system
US7932705B2 (en) * 2008-07-24 2011-04-26 International Business Machines Corporation Variable input voltage regulator
US8232742B2 (en) 2008-11-27 2012-07-31 Arkalumen Inc. Method, apparatus and computer-readable media for controlling lighting devices
US7710094B1 (en) * 2008-12-12 2010-05-04 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Current-mode-controlled current sensor circuit for power switching converter
US8564214B2 (en) 2010-05-11 2013-10-22 Arkalumen Inc. Circuits for sensing current levels within lighting apparatus
US9086435B2 (en) 2011-05-10 2015-07-21 Arkalumen Inc. Circuits for sensing current levels within a lighting apparatus incorporating a voltage converter
US9089024B2 (en) 2010-05-11 2015-07-21 Arkalumen Inc. Methods and apparatus for changing a DC supply voltage applied to a lighting circuit
CN102331517A (zh) * 2010-07-13 2012-01-25 安凯(广州)微电子技术有限公司 一种电感电流检测电路及dc-dc电源开关转换器
US9192009B2 (en) 2011-02-14 2015-11-17 Arkalumen Inc. Lighting apparatus and method for detecting reflected light from local objects
CA2867678C (en) 2011-03-16 2016-06-14 Arkalumen Inc. Lighting apparatus and methods for controlling lighting apparatus using ambient light levels
US8939604B2 (en) 2011-03-25 2015-01-27 Arkalumen Inc. Modular LED strip lighting apparatus
US9060400B2 (en) 2011-07-12 2015-06-16 Arkalumen Inc. Control apparatus incorporating a voltage converter for controlling lighting apparatus
US9219406B1 (en) 2013-02-15 2015-12-22 Ideal Power Inc. Systems and methods for assessing current in a resonant circuit
US9024678B2 (en) 2013-05-22 2015-05-05 Infineon Technologies Ag Current sensing circuit arrangement for output voltage regulation
US9455631B2 (en) 2013-09-06 2016-09-27 Infineon Technologies Austria Ag Current estimation for a converter
EP2869073B1 (en) * 2013-10-30 2019-05-22 Dialog Semiconductor GmbH Temperature and supply voltage independent DC-DC current sensing
US10568180B2 (en) 2015-05-05 2020-02-18 Arkalumen Inc. Method and apparatus for controlling a lighting module having a plurality of LED groups
US9775211B2 (en) 2015-05-05 2017-09-26 Arkalumen Inc. Circuit and apparatus for controlling a constant current DC driver output
US9992829B2 (en) 2015-05-05 2018-06-05 Arkalumen Inc. Control apparatus and system for coupling a lighting module to a constant current DC driver
US9992836B2 (en) 2015-05-05 2018-06-05 Arkawmen Inc. Method, system and apparatus for activating a lighting module using a buffer load module
US10225904B2 (en) 2015-05-05 2019-03-05 Arkalumen, Inc. Method and apparatus for controlling a lighting module based on a constant current level from a power source
CN111555590B (zh) * 2020-05-25 2023-10-03 西安电子科技大学 一种降压型dc/dc谷值电流采样电路
US11362504B2 (en) 2020-07-20 2022-06-14 Analog Devices International Unlimited Company Over current sensing scheme for switch applications
US12055568B2 (en) * 2022-07-26 2024-08-06 Nxp Usa, Inc. Dual current sensing
CN116207949B (zh) * 2023-04-25 2023-07-11 拓尔微电子股份有限公司 电流采样电路及直流-直流变换器

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Publication number Priority date Publication date Assignee Title
DE3264466D1 (en) * 1981-01-28 1985-08-08 Hitachi Ltd Current supply circuit
DE3405599A1 (de) * 1984-02-16 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Stromfuehler fuer den regelkreis eines schaltreglers
US5134355A (en) * 1990-12-31 1992-07-28 Texas Instruments Incorporated Power factor correction control for switch-mode power converters
GB9223219D0 (en) * 1992-11-05 1992-12-16 Smiths Industries Plc Current measurement cricuits
US6184660B1 (en) 1998-03-26 2001-02-06 Micro International, Ltd. High-side current-sensing smart battery charger
DE19932379A1 (de) 1999-07-13 2001-01-18 Braun Gmbh Drosselwandler
US6246220B1 (en) * 1999-09-01 2001-06-12 Intersil Corporation Synchronous-rectified DC to DC converter with improved current sensing
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US6377034B1 (en) * 2000-12-11 2002-04-23 Texas Instruments Incorporated Method and circuits for inductor current measurement in MOS switching regulators
US6700365B2 (en) * 2001-12-10 2004-03-02 Intersil Americas Inc. Programmable current-sensing circuit providing discrete step temperature compensation for DC-DC converter
DE10161760A1 (de) * 2001-12-15 2003-07-10 Conti Temic Microelectronic Schaltungsanordnung zur Strommessung oder Stromdetektion
US6600362B1 (en) * 2002-02-08 2003-07-29 Toko, Inc. Method and circuits for parallel sensing of current in a field effect transistor (FET)
TWI220022B (en) * 2002-05-27 2004-08-01 Richtek Technology Corp Current sensing apparatus and method

Also Published As

Publication number Publication date
US20050127888A1 (en) 2005-06-16
US6992473B2 (en) 2006-01-31
DE60320815D1 (de) 2008-06-19
EP1544703B1 (en) 2008-05-07
ATE394728T1 (de) 2008-05-15
EP1544703A1 (en) 2005-06-22

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