AU2003256682A1 - Closed loop current control circuit and method thereof - Google Patents

Closed loop current control circuit and method thereof

Info

Publication number
AU2003256682A1
AU2003256682A1 AU2003256682A AU2003256682A AU2003256682A1 AU 2003256682 A1 AU2003256682 A1 AU 2003256682A1 AU 2003256682 A AU2003256682 A AU 2003256682A AU 2003256682 A AU2003256682 A AU 2003256682A AU 2003256682 A1 AU2003256682 A1 AU 2003256682A1
Authority
AU
Australia
Prior art keywords
control circuit
closed loop
current control
loop current
closed
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2003256682A
Other languages
English (en)
Inventor
Ibrahim S. Kandah
Alan Michael Rooke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NXP USA Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of AU2003256682A1 publication Critical patent/AU2003256682A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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]

Landscapes

  • 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)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Dc-Dc Converters (AREA)
AU2003256682A 2002-08-21 2003-07-24 Closed loop current control circuit and method thereof Abandoned AU2003256682A1 (en)

Applications Claiming Priority (3)

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
US10/224,817 2002-08-21
PCT/US2003/022993 WO2004019148A1 (en) 2002-08-21 2003-07-24 Closed loop current control circuit and method thereof

Publications (1)

Publication Number Publication Date
AU2003256682A1 true AU2003256682A1 (en) 2004-03-11

Family

ID=31886885

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003256682A Abandoned AU2003256682A1 (en) 2002-08-21 2003-07-24 Closed loop current control circuit and method thereof

Country Status (8)

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

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Also Published As

Publication number Publication date
KR101106811B1 (ko) 2012-01-19
WO2004019148A1 (en) 2004-03-04
JP2005536849A (ja) 2005-12-02
EP1540439A1 (en) 2005-06-15
CN1675605A (zh) 2005-09-28
CN100405245C (zh) 2008-07-23
US6798152B2 (en) 2004-09-28
US20040036418A1 (en) 2004-02-26
KR20050058353A (ko) 2005-06-16
TW200413875A (en) 2004-08-01
JP4381983B2 (ja) 2009-12-09
TWI327690B (en) 2010-07-21

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