EP4033863A4 - Antriebsschaltung, zugehörige schaltung und vorrichtung - Google Patents

Antriebsschaltung, zugehörige schaltung und vorrichtung Download PDF

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Publication number
EP4033863A4
EP4033863A4 EP20901972.8A EP20901972A EP4033863A4 EP 4033863 A4 EP4033863 A4 EP 4033863A4 EP 20901972 A EP20901972 A EP 20901972A EP 4033863 A4 EP4033863 A4 EP 4033863A4
Authority
EP
European Patent Office
Prior art keywords
circuit
drive circuit
drive
related circuit
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
EP20901972.8A
Other languages
English (en)
French (fr)
Other versions
EP4033863A1 (de
Inventor
Zaixin MU
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.)
Maxic Technology Inc
Original Assignee
Maxic Technology Inc
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 Maxic Technology Inc filed Critical Maxic Technology Inc
Publication of EP4033863A1 publication Critical patent/EP4033863A1/de
Publication of EP4033863A4 publication Critical patent/EP4033863A4/de
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]
    • H05B45/30—Driver circuits
    • H05B45/355—Power factor correction [PFC]; Reactive power compensation
    • 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
    • H05B45/36—Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
    • 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]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • 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]
    • H05B45/385—Switched mode power supply [SMPS] using flyback topology
    • 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]
    • H05B45/392—Switched mode power supply [SMPS] wherein the LEDs are placed as freewheeling diodes at the secondary side of an isolation transformer
    • 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
    • H05B45/59—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
EP20901972.8A 2019-12-20 2020-04-02 Antriebsschaltung, zugehörige schaltung und vorrichtung Pending EP4033863A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911330642.7A CN113015287B (zh) 2019-12-20 2019-12-20 一种驱动电路、相关电路和装置
PCT/CN2020/082968 WO2021120445A1 (zh) 2019-12-20 2020-04-02 一种驱动电路、相关电路和装置

Publications (2)

Publication Number Publication Date
EP4033863A1 EP4033863A1 (de) 2022-07-27
EP4033863A4 true EP4033863A4 (de) 2022-11-09

Family

ID=76382183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20901972.8A Pending EP4033863A4 (de) 2019-12-20 2020-04-02 Antriebsschaltung, zugehörige schaltung und vorrichtung

Country Status (3)

Country Link
EP (1) EP4033863A4 (de)
CN (1) CN113015287B (de)
WO (1) WO2021120445A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114205963A (zh) * 2021-12-21 2022-03-18 欧普照明股份有限公司 线性led驱动电路、驱动方法
CN115021554B (zh) 2022-08-05 2022-11-08 浙江大学 适配器电路、滤波系统、ac-dc电源及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102263492A (zh) * 2010-05-28 2011-11-30 瑞萨电子株式会社 半导体器件和电源装置
US9295117B2 (en) * 2011-12-16 2016-03-22 Alternative Lighting Technologies, Inc. Near unity power factor long life low cost LED lamp retrofit system and method
CN109348587A (zh) * 2018-12-14 2019-02-15 上海源微电子科技有限公司 一种具有高pf无频闪的led恒流驱动电路
US20190191506A1 (en) * 2017-12-15 2019-06-20 Silergy Semiconductor Technology (Hangzhou) Ltd Power converter, led driver and control method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101630175A (zh) * 2008-12-31 2010-01-20 曹先国 匹配电流镜
CN202652092U (zh) * 2012-04-28 2013-01-02 欧司朗股份有限公司 负载驱动电路
CN102723886B (zh) * 2012-06-26 2015-02-18 上海新进半导体制造有限公司 一种高功率因数开关电源及其控制器和控制方法
CN103857138B (zh) * 2012-12-07 2017-12-15 李文雄 集成光源的led驱动电源和led日光灯
CN103945616B (zh) * 2014-04-30 2016-03-30 深圳市晟碟半导体有限公司 一种灯具及其led驱动装置
CN104093252B (zh) * 2014-07-16 2016-04-06 浙江大学 一种无频闪非隔离型led恒流驱动电路
CN104883780B (zh) * 2015-05-19 2017-06-23 深圳创维－Rgb电子有限公司 多通道双模式数字控制led驱动电路及led灯
CN106961768B (zh) * 2017-04-28 2019-02-19 南京微客力科技有限公司 一种主动式填谷电路模式的led线性恒流驱动电路
CN207505174U (zh) * 2017-10-27 2018-06-15 上海晶丰明源半导体股份有限公司 线电压补偿电路、驱动器、及led驱动电路和驱动系统
CN107844155A (zh) * 2017-11-10 2018-03-27 深圳睿舍智能科技有限公司 一种旁路并联恒流源电路
CN107979899A (zh) * 2017-12-27 2018-05-01 苏州菲达旭微电子有限公司 一种线性工频泵馈电恒流电路及具有它的led灯
CN109309992A (zh) * 2018-10-26 2019-02-05 苏州菲达旭微电子有限公司 一种半压供电的无纹波led电路
CN110519881B (zh) * 2019-07-16 2022-05-13 深圳市稳先微电子有限公司 一种led驱动电路及其控制方法
CN110572897B (zh) * 2019-08-20 2024-03-19 深圳市晟碟半导体有限公司 高功率因数无频闪的led调光电路、装置及调光方法
CN211606882U (zh) * 2019-12-20 2020-09-29 美芯晟科技（北京）有限公司 一种驱动电路、led电路和灯具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102263492A (zh) * 2010-05-28 2011-11-30 瑞萨电子株式会社 半导体器件和电源装置
US9295117B2 (en) * 2011-12-16 2016-03-22 Alternative Lighting Technologies, Inc. Near unity power factor long life low cost LED lamp retrofit system and method
US20190191506A1 (en) * 2017-12-15 2019-06-20 Silergy Semiconductor Technology (Hangzhou) Ltd Power converter, led driver and control method
CN109348587A (zh) * 2018-12-14 2019-02-15 上海源微电子科技有限公司 一种具有高pf无频闪的led恒流驱动电路

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021120445A1 *

Also Published As

Publication number Publication date
CN113015287A (zh) 2021-06-22
CN113015287B (zh) 2024-02-06
WO2021120445A1 (zh) 2021-06-24
EP4033863A1 (de) 2022-07-27

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