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ATE467331T1 - Led-ansteuereinrichtung - Google Patents

Led-ansteuereinrichtung

Info

Publication number
ATE467331T1
ATE467331T1 AT06425425T AT06425425T ATE467331T1 AT E467331 T1 ATE467331 T1 AT E467331T1 AT 06425425 T AT06425425 T AT 06425425T AT 06425425 T AT06425425 T AT 06425425T AT E467331 T1 ATE467331 T1 AT E467331T1
Authority
AT
Austria
Prior art keywords
leds
current
switching
led
drive current
Prior art date
Application number
AT06425425T
Other languages
English (en)
Inventor
Alberto Ferro
Original Assignee
Osram 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 Osram Gmbh filed Critical Osram Gmbh
Application granted granted Critical
Publication of ATE467331T1 publication Critical patent/ATE467331T1/de

Links

Classifications

    • 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]
    • H05B45/10—Controlling the intensity of the light
    • 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
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • 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
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/375—Switched mode power supply [SMPS] using buck topology
    • 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
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • 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

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
AT06425425T 2006-06-22 2006-06-22 Led-ansteuereinrichtung ATE467331T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06425425A EP1871144B1 (de) 2006-06-22 2006-06-22 LED-Ansteuereinrichtung

Publications (1)

Publication Number Publication Date
ATE467331T1 true ATE467331T1 (de) 2010-05-15

Family

ID=37313694

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06425425T ATE467331T1 (de) 2006-06-22 2006-06-22 Led-ansteuereinrichtung

Country Status (10)

Country Link
US (1) US8143810B2 (de)
EP (1) EP1871144B1 (de)
JP (1) JP2009541980A (de)
KR (1) KR101437017B1 (de)
CN (1) CN101473694B (de)
AT (1) ATE467331T1 (de)
AU (1) AU2007263128A1 (de)
DE (1) DE602006014124D1 (de)
TW (1) TW200808126A (de)
WO (1) WO2007147724A1 (de)

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US9178415B1 (en) 2009-10-15 2015-11-03 Cirrus Logic, Inc. Inductor over-current protection using a volt-second value representing an input voltage to a switching power converter
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US9510401B1 (en) 2010-08-24 2016-11-29 Cirrus Logic, Inc. Reduced standby power in an electronic power control system
EP2506685A4 (de) * 2010-12-02 2013-10-16 Sunsun Lighting China Co Ltd Led-antriebsstromzufuhrschaltkreis, antriebsstromzufuhr und beleuchtungsvorrichtung damit
US10057952B2 (en) * 2010-12-15 2018-08-21 Cree, Inc. Lighting apparatus using a non-linear current sensor and methods of operation thereof
EP2653014B1 (de) 2010-12-16 2016-10-19 Philips Lighting Holding B.V. Übergänge zwischen dem discontinuous mode und dem critical conduction mode in abhängigkeit eines schaltparameters
JP2012138279A (ja) * 2010-12-27 2012-07-19 Sanken Electric Co Ltd Ｌｅｄ駆動装置
WO2012097291A1 (en) * 2011-01-14 2012-07-19 Federal Law Enforcement Development Services, Inc. Method of providing lumens and tracking of lumen consumption
US8698404B2 (en) 2011-03-24 2014-04-15 Microsemi Corporation Brightness control for LED lighting
US9351356B2 (en) 2011-06-03 2016-05-24 Koninklijke Philips N.V. Primary-side control of a switching power converter with feed forward delay compensation
US9313840B2 (en) 2011-06-03 2016-04-12 Cirrus Logic, Inc. Control data determination from primary-side sensing of a secondary-side voltage in a switching power converter
JP5838346B2 (ja) * 2011-10-24 2016-01-06 パナソニックＩｐマネジメント株式会社 点灯装置および、これを用いた照明器具
JP5870291B2 (ja) * 2011-11-22 2016-02-24 パナソニックＩｐマネジメント株式会社 調光器
EP2792059B1 (de) 2011-12-14 2020-07-15 Signify Holding B.V. Isolierung eines sekundären transformatorwicklungsstroms während der erzeugung von hilfsstrom
JP6029121B2 (ja) * 2012-03-16 2016-11-24 シチズン時計株式会社 Ｌｅｄ駆動回路
JP5999326B2 (ja) * 2012-07-05 2016-09-28 パナソニックＩｐマネジメント株式会社 Ｌｅｄ点灯装置、および照明器具
US9520794B2 (en) 2012-07-25 2016-12-13 Philips Lighting Holding B.V Acceleration of output energy provision for a load during start-up of a switching power converter
TWI465150B (zh) * 2012-10-19 2014-12-11 Lextar Electronics Corp 調光電路及應用其之照明系統
EP2965592A1 (de) 2013-03-07 2016-01-13 Koninklijke Philips N.V. Verwendung sekundärseitiger leitungszeitparameter eines schaltleistungswandlers zur erzeugung von energie für eine last
CN105265017B (zh) 2013-03-11 2017-09-08 飞利浦照明控股有限公司 使用补偿电流控制的供电电流变化的减小
CN105324925B (zh) 2013-03-11 2018-05-04 飞利浦照明控股有限公司 恒定输出电流控制驱动器中的量化误差减少
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WO2014186765A1 (en) 2013-05-17 2014-11-20 Cirrus Logic, Inc. Single pin control of bipolar junction transistor (bjt)-based power stage
KR101498103B1 (ko) * 2013-05-21 2015-03-04 이노인스 주식회사 발광 다이오드 구동 장치 및 방법
US9504106B2 (en) 2013-07-29 2016-11-22 Cirrus Logic, Inc. Compensating for a reverse recovery time period of a bipolar junction transistor (BJT) in switch-mode operation of a light-emitting diode (LED)-based bulb
WO2015017317A2 (en) 2013-07-29 2015-02-05 Cirrus Logic, Inc. Two terminal drive of bipolar junction transistor (bjt) for switch-mode operation of a light emitting diode (led)-based bulb
US9214862B2 (en) 2014-04-17 2015-12-15 Philips International, B.V. Systems and methods for valley switching in a switching power converter
CN103987162B (zh) * 2014-05-08 2017-03-08 深圳市智华照明科技有限公司 一种负载自适应led电源
EP3146799B1 (de) * 2014-05-19 2020-11-04 Microchip Technology Incorporated Verfahren und system zur verbesserung der led-lebensdauer und der farbqualität und dimmungsvorrichtung
US9325236B1 (en) 2014-11-12 2016-04-26 Koninklijke Philips N.V. Controlling power factor in a switching power converter operating in discontinuous conduction mode
CN107005161B (zh) 2014-11-24 2019-11-26 相干公司 二极管激光器系统的电流驱动器
US9504118B2 (en) 2015-02-17 2016-11-22 Cirrus Logic, Inc. Resistance measurement of a resistor in a bipolar junction transistor (BJT)-based power stage
US9609701B2 (en) 2015-02-27 2017-03-28 Cirrus Logic, Inc. Switch-mode drive sensing of reverse recovery in bipolar junction transistor (BJT)-based power converters
US9603206B2 (en) 2015-02-27 2017-03-21 Cirrus Logic, Inc. Detection and control mechanism for tail current in a bipolar junction transistor (BJT)-based power stage
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WO2019193096A1 (en) * 2018-04-06 2019-10-10 Signify Holding B.V. A system having a battery and a method of controlling such a system
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Also Published As

Publication number Publication date
DE602006014124D1 (de) 2010-06-17
JP2009541980A (ja) 2009-11-26
EP1871144A1 (de) 2007-12-26
AU2007263128A1 (en) 2007-12-27
EP1871144B1 (de) 2010-05-05
US8143810B2 (en) 2012-03-27
KR20090033237A (ko) 2009-04-01
WO2007147724A1 (en) 2007-12-27
TW200808126A (en) 2008-02-01
US20090184665A1 (en) 2009-07-23
CN101473694B (zh) 2013-06-12
KR101437017B1 (ko) 2014-09-02
CN101473694A (zh) 2009-07-01

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