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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DE112010004692A5 (de) * 2009-12-07 2012-10-31 Tridonic Gmbh & Co. Kg Treiberschaltung für eine led
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US8912781B2 (en) * 2010-07-30 2014-12-16 Cirrus Logic, Inc. Integrated circuit switching power supply controller with selectable buck mode operation
CN102427633B (zh) * 2010-08-16 2013-03-13 凹凸电子（武汉）有限公司 给光源供电的电路和方法
US9510401B1 (en) 2010-08-24 2016-11-29 Cirrus Logic, Inc. Reduced standby power in an electronic power control system
WO2012071733A1 (zh) * 2010-12-02 2012-06-07 深圳矽睿芯科技有限公司 一种led驱动电源电路、驱动电源和照明装置
US10057952B2 (en) * 2010-12-15 2018-08-21 Cree, Inc. Lighting apparatus using a non-linear current sensor and methods of operation thereof
CN103370990B (zh) 2010-12-16 2016-06-15 皇家飞利浦有限公司 基于开关参数的断续模式-临界导电模式转换
JP2012138279A (ja) * 2010-12-27 2012-07-19 Sanken Electric Co Ltd Ｌｅｄ駆動装置
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CN103563484B (zh) 2011-03-24 2017-02-15 美高森美公司 Led发光的亮度控制
CN103583082B (zh) 2011-06-03 2016-11-02 皇家飞利浦有限公司 用于控制开关功率变换器的方法和设备以及功率变换设备
EP2715924A1 (de) 2011-06-03 2014-04-09 Cirrus Logic, Inc. Definition von steuerdaten aus primärseitiger messung einer sekundärseitigen spannung bei einem schaltstromwandler
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
EP2792060A2 (de) 2011-12-14 2014-10-22 Cirrus Logic, Inc. Anpassungsfähige stromsteuerungstaktung und reaktive stromsteuerung zur schnittstellenbildung mit einem dimmer
US9167637B2 (en) * 2012-03-16 2015-10-20 Citizen Holdings Co., Ltd. LED drive circuit
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
WO2014138629A1 (en) 2013-03-07 2014-09-12 Cirrus Logic, Inc. Utilizing secondary-side conduction time parameters of a switching power converter to provide energy to a load
WO2014164740A1 (en) 2013-03-11 2014-10-09 Cirrus Logic, Inc. Reduction of supply current variations using compensation current control
EP2973969B1 (de) 2013-03-11 2021-05-12 Signify Holding B.V. Quantisierungsfehlerreduzierung in steuerungstreibern mit konstantem ausgangsstrom
US9735671B2 (en) 2013-05-17 2017-08-15 Cirrus Logic, Inc. Charge pump-based drive circuitry for bipolar junction transistor (BJT)-based power supply
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
US9496855B2 (en) 2013-07-29 2016-11-15 Cirrus Logic, Inc. Two terminal drive of bipolar junction transistor (BJT) of a light emitting diode (LED)-based bulb
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
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
CN106256172B (zh) * 2014-05-19 2019-03-22 密克罗奇普技术公司 调光设备中用于改善led寿命及颜色质量的方法及系统
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
WO2016085979A1 (en) 2014-11-24 2016-06-02 Coherent, Inc. Current driver for diode laser system
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
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
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
US10904964B2 (en) * 2018-01-28 2021-01-26 Leedarson America Inc. Driver circuit for controlling brightness of light-emitting diode using switch unit and lighting control unit
JP7497295B2 (ja) * 2018-04-06 2024-06-10 シグニファイ ホールディング ビー ヴィ バッテリを有するシステム、及びこのようなシステムを制御する方法
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Also Published As

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

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