JP2023518554A5 - - Google Patents

Info

Publication number
JP2023518554A5
JP2023518554A5 JP2022557635A JP2022557635A JP2023518554A5 JP 2023518554 A5 JP2023518554 A5 JP 2023518554A5 JP 2022557635 A JP2022557635 A JP 2022557635A JP 2022557635 A JP2022557635 A JP 2022557635A JP 2023518554 A5 JP2023518554 A5 JP 2023518554A5
Authority
JP
Japan
Prior art keywords
current
stage
main converter
converter stage
led unit
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.)
Granted
Application number
JP2022557635A
Other languages
English (en)
Japanese (ja)
Other versions
JP7756652B2 (ja
JP2023518554A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/EP2021/057060 external-priority patent/WO2021191067A1/en
Publication of JP2023518554A publication Critical patent/JP2023518554A/ja
Publication of JP2023518554A5 publication Critical patent/JP2023518554A5/ja
Application granted granted Critical
Publication of JP7756652B2 publication Critical patent/JP7756652B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2022557635A 2020-03-24 2021-03-19 Led駆動装置及び駆動方法 Active JP7756652B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN2020080889 2020-03-24
CNPCT/CN2020/080889 2020-03-24
EP20179415 2020-06-11
EP20179415.3 2020-06-11
PCT/EP2021/057060 WO2021191067A1 (en) 2020-03-24 2021-03-19 Led driving arrangement and driving method

Publications (3)

Publication Number Publication Date
JP2023518554A JP2023518554A (ja) 2023-05-02
JP2023518554A5 true JP2023518554A5 (enExample) 2024-03-29
JP7756652B2 JP7756652B2 (ja) 2025-10-20

Family

ID=74947466

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022557635A Active JP7756652B2 (ja) 2020-03-24 2021-03-19 Led駆動装置及び駆動方法

Country Status (5)

Country Link
US (1) US12028946B2 (enExample)
EP (1) EP4129006A1 (enExample)
JP (1) JP7756652B2 (enExample)
CN (1) CN115336391B (enExample)
WO (1) WO2021191067A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118541610A (zh) * 2022-01-17 2024-08-23 昕诺飞控股有限公司 电流扰动检测系统
EP4721520A1 (en) 2023-06-05 2026-04-08 Signify Holding B.V. A led driving arrangement, a led lighting device and a led lighting system

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080018261A1 (en) * 2006-05-01 2008-01-24 Kastner Mark A LED power supply with options for dimming
JP2009238524A (ja) * 2008-03-26 2009-10-15 Sanken Electric Co Ltd 有機el素子駆動装置
JP5636057B2 (ja) * 2009-09-30 2014-12-03 コーニンクレッカ フィリップス エヌ ヴェ Ledドライバの調光
JP5214585B2 (ja) * 2009-12-25 2013-06-19 シャープ株式会社 Led駆動回路、位相制御式調光器、led照明灯具、led照明機器、及びled照明システム
CN102870498A (zh) * 2010-04-30 2013-01-09 皇家飞利浦电子股份有限公司 包括用于增大固态照明负载的调光分辨率的可编程滞后下变频器的调光调节器
CN102098853B (zh) * 2011-01-30 2015-04-15 成都芯源系统有限公司 发光元件驱动系统、驱动控制电路及驱动方法
US9468048B2 (en) * 2011-05-23 2016-10-11 Fairchild Korea Semiconductor Ltd. Input current regulator, driving method thereof, and disable circuit thereof
WO2013003673A1 (en) * 2011-06-30 2013-01-03 Cirrus Logic, Inc. Transformer-isolated led lighting circuit with secondary-side dimming control
US8692471B2 (en) * 2011-09-15 2014-04-08 Analog Devices, Inc. LED driving system and method
US9167664B2 (en) * 2012-07-03 2015-10-20 Cirrus Logic, Inc. Systems and methods for low-power lamp compatibility with a trailing-edge dimmer and an electronic transformer
JP5214047B1 (ja) * 2012-07-25 2013-06-19 シャープ株式会社 Led点灯装置
US8743565B2 (en) * 2012-07-27 2014-06-03 Flextronics Ap, Llc High power converter architecture
JP6617136B2 (ja) 2014-07-23 2019-12-11 シグニファイ ホールディング ビー ヴィSignify Holding B.V. Ledドライバ回路、led回路、及び駆動方法
JP6646654B2 (ja) * 2014-09-12 2020-02-14 シグニファイ ホールディング ビー ヴィSignify Holding B.V. Led調光器回路及び方法
US9686834B2 (en) 2014-09-15 2017-06-20 Dialog Semiconductor Inc. Powering internal components of LED lamps using dissipative sources
JP6430665B2 (ja) * 2015-06-01 2018-11-28 フィリップス ライティング ホールディング ビー ヴィ Ledドライバ及び駆動方法
US9538601B1 (en) 2015-10-08 2017-01-03 Allegro Microsystems, Llc Method and apparatus for driving loads using a DC-DC converter
DE112015007048B4 (de) 2015-10-23 2025-04-30 Renesas Design North America Inc. Regulierte Leistungsversorgungsspannung und Triac-Haltestromstärke für einen Schaltleistungsumsetzer
US10749340B2 (en) 2016-07-26 2020-08-18 Bel Fuse (Macao Commercial Offshore) Limited Power switch with power harvesting for local controller
JP6401222B2 (ja) * 2016-10-31 2018-10-10 油研工業株式会社 誘導負荷駆動回路
JP2018160384A (ja) * 2017-03-23 2018-10-11 岩崎電気株式会社 Led点灯装置及びled照明装置
US10172197B1 (en) * 2017-09-22 2019-01-01 Dialog Semiconductor, Inc. Dimmable single-stage power converter with adaptive switching frequency control
DE102018100709A1 (de) * 2018-01-15 2019-07-18 Infineon Technologies Austria Ag Leistungswandler-Steuerung, Leistungswandler und entsprechendes Verfahren
JP7196423B2 (ja) * 2018-05-30 2022-12-27 三菱電機株式会社 照明光通信装置

Similar Documents

Publication Publication Date Title
CA2766422C (en) Electronic circuit for converting a mains-operated luminaire into an emergency luminaire
US9887580B2 (en) Emergency lighting device
JP5501134B2 (ja) Led点灯装置
JP5052590B2 (ja) 電源回路及び照明装置
KR101201803B1 (ko) 점등스위치형 디밍제어모듈을 이용한 엘이디 조명 디밍 제어장치
JP6302748B2 (ja) Ledランプ、led点灯装置、及びこれらを用いたled照明システム
CN103636292B (zh) 照明器的控制装置和方法
KR20180069427A (ko) 충전기
RU2012151316A (ru) Регулятор для уменьшения силы света, включающий в себя программируемый гистерезисный понижающий преобразователь для увеличения разрешения уменьшения силы света нагрузок твердотельного освещения
CN106688309B (zh) Led调光器电路和方法
JP6171724B2 (ja) Led電源装置及びled照明装置
CN107995732B (zh) 一种组合电路及控制电路
US20160374163A1 (en) Driving circuit for flash light-emitting diode and operating method thereof
JP6273894B2 (ja) Led点灯装置及びled照明装置
JP6332629B2 (ja) Led電源及びled照明装置
JP2017225328A (ja) 直流源を保護するための装置及び方法
US8013540B2 (en) Light adjusting device for a light emitting diode and related light adjusting method and light emitting device
CN112688683A (zh) 防止感性负载驱动电路被反电动势损坏的装置和方法
JP2020517071A5 (enExample)
JP5671940B2 (ja) 点灯装置ならびにこの点灯装置を備える照明器具
JP5677192B2 (ja) Led点灯装置及びled照明器具
EP2587889A2 (en) Power supply device and lighting device
EP3747117A1 (en) Emergency lighting buck converter
CN220190685U (zh) 安全转矩关断电路、线路板及驱动控制设备
EP2934067B1 (en) Dimming drive circuit and illumination apparatus comprising the dimming drive circuit