ATE494759T1 - Hochgeschwindigkeits-led-treiber - Google Patents

Hochgeschwindigkeits-led-treiber

Info

Publication number
ATE494759T1
ATE494759T1 AT08787278T AT08787278T ATE494759T1 AT E494759 T1 ATE494759 T1 AT E494759T1 AT 08787278 T AT08787278 T AT 08787278T AT 08787278 T AT08787278 T AT 08787278T AT E494759 T1 ATE494759 T1 AT E494759T1
Authority
AT
Austria
Prior art keywords
current
control voltage
switch
light
switching
Prior art date
Application number
AT08787278T
Other languages
English (en)
Inventor
Franz Prexl
Erich Bayer
Juergen Neuhaeusler
Original Assignee
Texas Instruments Deutschland
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 Texas Instruments Deutschland filed Critical Texas Instruments Deutschland
Application granted granted Critical
Publication of ATE494759T1 publication Critical patent/ATE494759T1/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]
    • H05B45/30—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]
    • 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

Landscapes

  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Electronic Switches (AREA)
AT08787278T 2007-08-17 2008-08-15 Hochgeschwindigkeits-led-treiber ATE494759T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007038892A DE102007038892A1 (de) 2007-08-17 2007-08-17 Hochgeschwindigkeits-LED-Treiber
US1676207P 2007-12-26 2007-12-26
PCT/EP2008/060766 WO2009024547A2 (en) 2007-08-17 2008-08-15 High speed led driver

Publications (1)

Publication Number Publication Date
ATE494759T1 true ATE494759T1 (de) 2011-01-15

Family

ID=40139258

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08787278T ATE494759T1 (de) 2007-08-17 2008-08-15 Hochgeschwindigkeits-led-treiber

Country Status (5)

Country Link
US (1) US8035311B2 (de)
EP (1) EP2191692B1 (de)
AT (1) ATE494759T1 (de)
DE (2) DE102007038892A1 (de)
WO (1) WO2009024547A2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4931720B2 (ja) * 2007-07-26 2012-05-16 株式会社小糸製作所 車両用灯具の点灯制御装置
EP2232950B1 (de) * 2008-01-17 2012-11-21 Osram Ag Buck-konverter und verfahren zum bereitstellen eines stroms für mindestens eine led
TWI406596B (zh) * 2008-06-30 2013-08-21 Green Solution Tech Co Ltd 發光二極體驅動電路、發光二極體驅動控制單元及其電晶體開關模組
US20100109550A1 (en) * 2008-11-03 2010-05-06 Muzahid Bin Huda LED Dimming Techniques Using Spread Spectrum Modulation
EP2230579B1 (de) 2009-03-20 2013-01-23 STMicroelectronics Srl Schnellschaltende überschwingungsfreie Stromquelle und Verfahren
ITMI20090777A1 (it) * 2009-05-08 2010-11-09 St Microelectronics Srl Dispositivo di pilotaggio di diodi led.
KR101658209B1 (ko) * 2009-06-26 2016-09-21 페어차일드코리아반도체 주식회사 Ｌｅｄ 발광 장치 및 그 구동 방법
DE102009037576B4 (de) * 2009-08-14 2011-06-16 Osram Gesellschaft mit beschränkter Haftung Schaltungsanordnung und Verfahren zum Betreiben mindestens einer LED
CN102026438B (zh) * 2009-09-18 2014-04-16 立锜科技股份有限公司 发光元件控制电路与控制方法、及用于其中的集成电路
TWI434612B (zh) * 2010-02-26 2014-04-11 Green Solution Tech Co Ltd 具有電路偵測功能之發光二極體驅動電路與具有電路偵測功能之電力轉換電路
CN102196623A (zh) * 2010-03-16 2011-09-21 登丰微电子股份有限公司 具有电路检测功能的发光二极管驱动电路与电力转换电路
WO2011156691A1 (en) * 2010-06-10 2011-12-15 Maxim Integrated Products, Inc. Current sensing for led drivers
KR101141356B1 (ko) * 2010-09-08 2012-07-16 삼성전기주식회사 발광소자 구동장치
US9420653B2 (en) * 2010-11-19 2016-08-16 Semiconductor Components Industries, Llc LED driver circuit and method
US20120306399A1 (en) * 2010-11-22 2012-12-06 Cristiano Bazzani Projector system with single input, multiple output dc-dc converter
KR101875220B1 (ko) * 2011-06-08 2018-07-06 매그나칩 반도체 유한회사 Ｌｅｄ 구동회로
CN104202874B (zh) * 2014-09-01 2016-10-05 矽力杰半导体技术(杭州)有限公司 一种单电感的led驱动电路及驱动方法
CN104202876B (zh) * 2014-09-01 2016-10-05 矽力杰半导体技术(杭州)有限公司 一种单电感的led驱动电路及驱动方法
CN107589772B (zh) * 2017-08-25 2019-05-14 广东美的安川服务机器人有限公司 一种电流源电路
CN110351541B (zh) * 2019-08-06 2023-05-23 苏州佳世达光电有限公司 电压设定值调整装置及其电路
US11622428B1 (en) * 2022-05-19 2023-04-04 Pixart Imaging Inc. Constant current LED driver, current control circuit and programmable current source

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19930174A1 (de) * 1999-06-30 2001-01-04 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Ansteuerschaltung für LED und zugehöriges Betriebsverfahren
US6734639B2 (en) * 2001-08-15 2004-05-11 Koninklijke Philips Electronics N.V. Sample and hold method to achieve square-wave PWM current source for light emitting diode arrays
US6596977B2 (en) * 2001-10-05 2003-07-22 Koninklijke Philips Electronics N.V. Average light sensing for PWM control of RGB LED based white light luminaries
US7511436B2 (en) * 2003-05-07 2009-03-31 Koninklijke Philips Electronics N.V. Current control method and circuit for light emitting diodes
JP4884671B2 (ja) * 2003-05-14 2012-02-29 株式会社半導体エネルギー研究所 半導体装置
JP2005006444A (ja) * 2003-06-13 2005-01-06 Japan Aviation Electronics Industry Ltd 照明灯電源装置
US7262584B2 (en) * 2004-02-19 2007-08-28 Analog Modules, Inc Efficient fast pulsed laser or light-emitting diode driver
EP3223587A3 (de) * 2004-03-15 2017-11-08 Philips Lighting North America Corporation Leistungsregelungsverfahren und -vorrichtung
US7567223B2 (en) * 2005-03-01 2009-07-28 Honeywell International Inc. Light-emitting diode (LED) hysteretic current controller
US7675487B2 (en) * 2005-07-15 2010-03-09 Honeywell International, Inc. Simplified light-emitting diode (LED) hysteretic current controller
US7733030B2 (en) * 2007-12-26 2010-06-08 Analog Devices, Inc. Switching power converter with controlled startup mechanism

Also Published As

Publication number Publication date
DE602008004364D1 (de) 2011-02-17
DE102007038892A1 (de) 2009-04-09
EP2191692B1 (de) 2011-01-05
US8035311B2 (en) 2011-10-11
WO2009024547A2 (en) 2009-02-26
EP2191692A2 (de) 2010-06-02
WO2009024547A3 (en) 2009-04-23
US20090072755A1 (en) 2009-03-19

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Legal Events

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