JP4381983B2 - 閉ループ電流制御回路及びその方法 - Google Patents

閉ループ電流制御回路及びその方法 Download PDF

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Publication number
JP4381983B2
JP4381983B2 JP2004530840A JP2004530840A JP4381983B2 JP 4381983 B2 JP4381983 B2 JP 4381983B2 JP 2004530840 A JP2004530840 A JP 2004530840A JP 2004530840 A JP2004530840 A JP 2004530840A JP 4381983 B2 JP4381983 B2 JP 4381983B2
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JP
Japan
Prior art keywords
current
switch
input
port
control
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Expired - Fee Related
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JP2004530840A
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English (en)
Japanese (ja)
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JP2005536849A (ja
JP2005536849A5 (enExample
Inventor
マイケル ルーク、アラン
エス． カンダー、イブラヒム
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NXP USA Inc
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NXP USA Inc
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Publication of JP2005536849A5 publication Critical patent/JP2005536849A5/ja
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/395—Linear regulators
    • H05B45/397—Current mirror circuits
    • 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
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Dc-Dc Converters (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
JP2004530840A 2002-08-21 2003-07-24 閉ループ電流制御回路及びその方法 Expired - Fee Related JP4381983B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/224,817 US6798152B2 (en) 2002-08-21 2002-08-21 Closed loop current control circuit and method thereof
PCT/US2003/022993 WO2004019148A1 (en) 2002-08-21 2003-07-24 Closed loop current control circuit and method thereof

Publications (3)

Publication Number Publication Date
JP2005536849A JP2005536849A (ja) 2005-12-02
JP2005536849A5 JP2005536849A5 (enExample) 2006-08-31
JP4381983B2 true JP4381983B2 (ja) 2009-12-09

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ID=31886885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004530840A Expired - Fee Related JP4381983B2 (ja) 2002-08-21 2003-07-24 閉ループ電流制御回路及びその方法

Country Status (8)

Country Link
US (1) US6798152B2 (enExample)
EP (1) EP1540439A1 (enExample)
JP (1) JP4381983B2 (enExample)
KR (1) KR101106811B1 (enExample)
CN (1) CN100405245C (enExample)
AU (1) AU2003256682A1 (enExample)
TW (1) TWI327690B (enExample)
WO (1) WO2004019148A1 (enExample)

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Also Published As

Publication number Publication date
KR20050058353A (ko) 2005-06-16
CN1675605A (zh) 2005-09-28
AU2003256682A1 (en) 2004-03-11
EP1540439A1 (en) 2005-06-15
WO2004019148A1 (en) 2004-03-04
JP2005536849A (ja) 2005-12-02
CN100405245C (zh) 2008-07-23
TW200413875A (en) 2004-08-01
US6798152B2 (en) 2004-09-28
KR101106811B1 (ko) 2012-01-19
US20040036418A1 (en) 2004-02-26
TWI327690B (en) 2010-07-21

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