WO2017025026A1 - Protection circuit for a driving circuit - Google Patents

Protection circuit for a driving circuit Download PDF

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Publication number
WO2017025026A1
WO2017025026A1 PCT/CN2016/094317 CN2016094317W WO2017025026A1 WO 2017025026 A1 WO2017025026 A1 WO 2017025026A1 CN 2016094317 W CN2016094317 W CN 2016094317W WO 2017025026 A1 WO2017025026 A1 WO 2017025026A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
coupled
load
transistor
power
Prior art date
Application number
PCT/CN2016/094317
Other languages
English (en)
French (fr)
Inventor
Yiyi XI
Sanbao SHI
Original Assignee
Valeo Equipements Electriques Moteur
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 Valeo Equipements Electriques Moteur filed Critical Valeo Equipements Electriques Moteur
Publication of WO2017025026A1 publication Critical patent/WO2017025026A1/en

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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]
    • H05B45/40—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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/52—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits in a parallel array of LEDs
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
    • 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]
PCT/CN2016/094317 2015-08-10 2016-08-10 Protection circuit for a driving circuit WO2017025026A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510486774.4A CN106455245B (zh) 2015-08-10 2015-08-10 用于驱动电路的保护电路
CN201510486774.4 2015-08-10

Publications (1)

Publication Number Publication Date
WO2017025026A1 true WO2017025026A1 (en) 2017-02-16

Family

ID=57983913

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/094317 WO2017025026A1 (en) 2015-08-10 2016-08-10 Protection circuit for a driving circuit

Country Status (2)

Country Link
CN (1) CN106455245B (zh)
WO (1) WO2017025026A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11410544B2 (en) 2017-06-30 2022-08-09 Continental Automotive France Sensor having duplicate detection lines

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108292929B (zh) 2015-09-10 2020-04-28 蓝色多瑙河系统有限公司 有源阵列校准

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090167205A1 (en) * 2007-12-26 2009-07-02 Nellcor Puritan Bennett Llc LED Drive Circuit And Method For Using Same
CN102404917A (zh) * 2010-11-12 2012-04-04 孙善齐 电抗式led照明电流控制方法
CN102474957A (zh) * 2009-08-18 2012-05-23 Lg伊诺特有限公司 发光二极管驱动电路
US20130264955A1 (en) * 2009-12-21 2013-10-10 Top Victory Investments Ltd. Serial-Type Light-Emitting Diode (LED) Device
CN104582124A (zh) * 2013-10-29 2015-04-29 登丰微电子股份有限公司 发光二极管驱动电路

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US20090187925A1 (en) * 2008-01-17 2009-07-23 Delta Electronic Inc. Driver that efficiently regulates current in a plurality of LED strings
JP4657355B2 (ja) * 2009-06-30 2011-03-23 パナソニック株式会社 発光素子駆動装置および発光装置
CN102128408A (zh) * 2010-09-02 2011-07-20 西安理想华夏科技创新有限公司 仿生节能型led灯
US8629632B2 (en) * 2010-11-11 2014-01-14 Maxim Integrated Products, Inc. LED backlight driver
CN102281679B (zh) * 2011-06-27 2013-10-16 广东工业大学 一种基于分立元件的led线性恒流控制电路
CN102377362B (zh) * 2011-09-30 2014-02-12 中国电力科学研究院 电压源型单位功率因数高温超导储能变流器的控制方法
CN103680414B (zh) * 2012-09-13 2016-01-06 上海伟世通汽车电子系统有限公司 一种lcd显示屏背光恒流驱动电路
CN103813570A (zh) * 2012-11-09 2014-05-21 刘芬 Led均亮控制电路与方法,及恒压驱动led照明系统与方法
CN203378107U (zh) * 2012-11-09 2014-01-01 孙月静 一种led用高效电源
CN103079311A (zh) * 2012-12-27 2013-05-01 木林森股份有限公司 一种双环控制的led驱动电路
CN103441672B (zh) * 2013-07-25 2016-02-10 北京控制工程研究所 一种基于辅助绕组式采样电路的自激buck电路
CN103491675A (zh) * 2013-08-02 2014-01-01 深圳市智远能科技有限公司 单pwm多组驱动以及功耗精确测量方法
CN204089165U (zh) * 2014-09-02 2015-01-07 广东瑞德智能科技股份有限公司 一种加湿器的防干烧电子控制及保护电路

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090167205A1 (en) * 2007-12-26 2009-07-02 Nellcor Puritan Bennett Llc LED Drive Circuit And Method For Using Same
CN102474957A (zh) * 2009-08-18 2012-05-23 Lg伊诺特有限公司 发光二极管驱动电路
US20130264955A1 (en) * 2009-12-21 2013-10-10 Top Victory Investments Ltd. Serial-Type Light-Emitting Diode (LED) Device
CN102404917A (zh) * 2010-11-12 2012-04-04 孙善齐 电抗式led照明电流控制方法
CN104582124A (zh) * 2013-10-29 2015-04-29 登丰微电子股份有限公司 发光二极管驱动电路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11410544B2 (en) 2017-06-30 2022-08-09 Continental Automotive France Sensor having duplicate detection lines

Also Published As

Publication number Publication date
CN106455245A (zh) 2017-02-22
CN106455245B (zh) 2020-05-12

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