JP2023524428A5 - - Google Patents

Info

Publication number
JP2023524428A5
JP2023524428A5 JP2022565756A JP2022565756A JP2023524428A5 JP 2023524428 A5 JP2023524428 A5 JP 2023524428A5 JP 2022565756 A JP2022565756 A JP 2022565756A JP 2022565756 A JP2022565756 A JP 2022565756A JP 2023524428 A5 JP2023524428 A5 JP 2023524428A5
Authority
JP
Japan
Prior art keywords
circuit
current
overvoltage
feedback signal
output
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
JP2022565756A
Other languages
English (en)
Japanese (ja)
Other versions
JP7804587B2 (ja
JP2023524428A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/EP2021/060492 external-priority patent/WO2021219477A1/en
Publication of JP2023524428A publication Critical patent/JP2023524428A/ja
Publication of JP2023524428A5 publication Critical patent/JP2023524428A5/ja
Application granted granted Critical
Publication of JP7804587B2 publication Critical patent/JP7804587B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2022565756A 2020-04-28 2021-04-22 過電圧保護を備えるランプドライバ Active JP7804587B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20171738 2020-04-28
EP20171738.6 2020-04-28
PCT/EP2021/060492 WO2021219477A1 (en) 2020-04-28 2021-04-22 A lamp driver with overvoltage protection

Publications (3)

Publication Number Publication Date
JP2023524428A JP2023524428A (ja) 2023-06-12
JP2023524428A5 true JP2023524428A5 (https=) 2024-04-24
JP7804587B2 JP7804587B2 (ja) 2026-01-22

Family

ID=70475978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022565756A Active JP7804587B2 (ja) 2020-04-28 2021-04-22 過電圧保護を備えるランプドライバ

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

Similar Documents

Publication Publication Date Title
US6683419B2 (en) Electrical control for an LED light source, including dimming control
US7550934B1 (en) LED driver with fast open circuit protection, short circuit compensation, and rapid brightness control response
TWI452932B (zh) 發光元件用的調光器
CN102458014B (zh) 光源控制方法、装置及系统
FI2964000T3 (fi) Led käyttölaite
EP2482615A1 (en) Lighting device and luminaire with failure protection
US9647525B2 (en) Power supply device with current limit based on output current and input voltage
US9078324B2 (en) LED driving device, LED lighting apparatus, and error amplification circuit
WO2007141741A1 (en) Circuitry for dimming led illumination devices
US20140103834A1 (en) Device for controlling a lighting device
US20090189587A1 (en) High accuracy average output current control scheme for power current converter in critical DCM
KR102006966B1 (ko) Led 발광 장치의 구동 장치 및 구동 방법
JP2023524428A5 (https=)
US20050237041A1 (en) Quasi average current mode control scheme for switching power converter
US20080054868A1 (en) Pseudo average current mode control scheme for switching power converters
KR100946685B1 (ko) Led 구동 장치
EP3095301B1 (en) A circuit arrangement for operating led strings
US8853962B2 (en) Apparatus and method for circuit configuration for powering light emitting diodes
JP7804587B2 (ja) 過電圧保護を備えるランプドライバ
KR100439499B1 (ko) 엘시디의 백라이트 인버터
KR101328340B1 (ko) 발광 소자 구동 장치 및 방법
US10993303B2 (en) Power supply circuit, lighting system, and method of operating a power supply circuit
KR101224127B1 (ko) 정전류 led 디밍 장치
JP2014146591A5 (https=)
KR102008360B1 (ko) Led 발광 장치의 구동 방법