ES3002033T3 - A lamp driver with overvoltage protection - Google Patents

A lamp driver with overvoltage protection Download PDF

Info

Publication number
ES3002033T3
ES3002033T3 ES21719182T ES21719182T ES3002033T3 ES 3002033 T3 ES3002033 T3 ES 3002033T3 ES 21719182 T ES21719182 T ES 21719182T ES 21719182 T ES21719182 T ES 21719182T ES 3002033 T3 ES3002033 T3 ES 3002033T3
Authority
ES
Spain
Prior art keywords
circuit
current
voltage
output voltage
led
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.)
Active
Application number
ES21719182T
Other languages
English (en)
Spanish (es)
Inventor
Bodegraven Tijmen Van
Reinhold Elferich
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.)
Signify Holding BV
Original Assignee
Signify Holding BV
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 Signify Holding BV filed Critical Signify Holding BV
Application granted granted Critical
Publication of ES3002033T3 publication Critical patent/ES3002033T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • 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]
    • H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission
    • H05B47/183—Controlling the light source by remote control via data-bus transmission using digital addressable lighting interface [DALI] communication protocols
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/24—Circuit arrangements for protecting against overvoltage
    • 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)
  • Dc-Dc Converters (AREA)
ES21719182T 2020-04-28 2021-04-22 A lamp driver with overvoltage protection Active ES3002033T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20171738 2020-04-28
PCT/EP2021/060492 WO2021219477A1 (en) 2020-04-28 2021-04-22 A lamp driver with overvoltage protection

Publications (1)

Publication Number Publication Date
ES3002033T3 true ES3002033T3 (en) 2025-03-06

Family

ID=70475978

Family Applications (1)

Application Number Title Priority Date Filing Date
ES21719182T Active ES3002033T3 (en) 2020-04-28 2021-04-22 A lamp driver with overvoltage protection

Country Status (6)

Country Link
US (1) US12133306B2 (https=)
EP (1) EP4144186B1 (https=)
JP (1) JP7804587B2 (https=)
CN (1) CN115462182A (https=)
ES (1) ES3002033T3 (https=)
WO (1) WO2021219477A1 (https=)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997024016A1 (en) * 1995-12-26 1997-07-03 General Electric Company Control and protection of dimmable electronic fluorescent lamp ballast with wide input voltage range and wide dimming range
CN101801136B (zh) * 2010-03-17 2012-11-07 上海大学 一种高效led恒流驱动电路
US8847503B2 (en) * 2010-09-21 2014-09-30 Avago Technologies General Ip (Singapore) Pte. Ltd. Transmitting and receiving digital and analog signals across an isolator
US8610358B2 (en) 2011-08-17 2013-12-17 Express Imaging Systems, Llc Electrostatic discharge protection for luminaire
US8570772B2 (en) * 2012-01-26 2013-10-29 Linear Technology Corporation Isolated flyback converter with efficient light load operation
JP2014207668A (ja) 2013-04-08 2014-10-30 アバゴ・テクノロジーズ・ジェネラル・アイピー（シンガポール）プライベート・リミテッド アイソレーターを介するデジタル信号及びアナログ信号の送受信
JP6171724B2 (ja) 2013-08-23 2017-08-02 岩崎電気株式会社 Ｌｅｄ電源装置及びｌｅｄ照明装置
US9979270B2 (en) * 2014-12-31 2018-05-22 Philips Lighting Holding B.V. Controllable driver and drive method
US9793790B2 (en) 2015-11-24 2017-10-17 Infineon Technologies Austria Ag Adaptive open-load overvoltage control method and circuit
CN106026712B (zh) * 2016-07-15 2018-05-29 深圳南云微电子有限公司 开关电源的副边控制方法及电路
JP6594357B2 (ja) 2017-01-30 2019-10-23 ミネベアミツミ株式会社 光源駆動装置および照明装置
EP3949689B1 (en) * 2019-03-28 2025-05-21 Signify Holding B.V. Power supply configuration across isolation barrier

Also Published As

Publication number Publication date
JP7804587B2 (ja) 2026-01-22
EP4144186B1 (en) 2024-11-06
US12133306B2 (en) 2024-10-29
US20230164898A1 (en) 2023-05-25
WO2021219477A1 (en) 2021-11-04
EP4144186C0 (en) 2024-11-06
CN115462182A (zh) 2022-12-09
EP4144186A1 (en) 2023-03-08
JP2023524428A (ja) 2023-06-12

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