GB202311409D0 - Method and device of detecting open load for dimmable constant voltage driver - Google Patents

Method and device of detecting open load for dimmable constant voltage driver

Info

Publication number
GB202311409D0
GB202311409D0 GBGB2311409.3A GB202311409A GB202311409D0 GB 202311409 D0 GB202311409 D0 GB 202311409D0 GB 202311409 A GB202311409 A GB 202311409A GB 202311409 D0 GB202311409 D0 GB 202311409D0
Authority
GB
United Kingdom
Prior art keywords
constant voltage
voltage driver
open load
detecting open
dimmable constant
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.)
Pending
Application number
GBGB2311409.3A
Other versions
GB2617992A (en
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.)
Tridonic GmbH and Co KG
Original Assignee
Tridonic GmbH and Co KG
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 Tridonic GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Publication of GB202311409D0 publication Critical patent/GB202311409D0/en
Publication of GB2617992A publication Critical patent/GB2617992A/en
Pending legal-status Critical Current

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
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • 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
    • 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
GB2311409.3A 2021-02-10 2021-02-10 Method and device of detecting open load for dimmable constant voltage driver Pending GB2617992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/076569 WO2022170580A1 (en) 2021-02-10 2021-02-10 Method and device of detecting open load for dimmable constant voltage driver

Publications (2)

Publication Number Publication Date
GB202311409D0 true GB202311409D0 (en) 2023-09-06
GB2617992A GB2617992A (en) 2023-10-25

Family

ID=82838122

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2311409.3A Pending GB2617992A (en) 2021-02-10 2021-02-10 Method and device of detecting open load for dimmable constant voltage driver

Country Status (2)

Country Link
GB (1) GB2617992A (en)
WO (1) WO2022170580A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101247695B (en) * 2008-03-03 2011-06-29 大连交通大学 Filament open-circuit protector for constant-current light modulation system of air station navigation light
US8310171B2 (en) * 2009-03-13 2012-11-13 Led Specialists Inc. Line voltage dimmable constant current LED driver
CN104507243B (en) * 2014-12-04 2017-02-22 中国船舶重工集团公司第七一七研究所 Light-emitting diode and laser diode open circuit fault detection circuit
CN109587866B (en) * 2017-09-28 2021-06-18 朗德万斯公司 Electronic driver for LED lighting module and LED lamp

Also Published As

Publication number Publication date
WO2022170580A1 (en) 2022-08-18
GB2617992A (en) 2023-10-25

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