EP4033863A4 - Circuit d'attaque, et circuit et dispositif associés - Google Patents

Circuit d'attaque, et circuit et dispositif associés Download PDF

Info

Publication number: EP4033863A4
Authority: EP; European Patent Office
Prior art keywords: circuit; attack; associated circuit; attack circuit
Prior art date: 2019-12-20
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

German (de)

English (en)

Other versions

EP4033863A1 (fr

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.)

2019-12-20

Filing date

2020-04-02

Publication date

2022-11-09

2020-04-02 Application filed by Maxic Technology Inc filed Critical Maxic Technology Inc

2022-07-27 Publication of EP4033863A1 publication Critical patent/EP4033863A1/fr

2022-11-09 Publication of EP4033863A4 publication Critical patent/EP4033863A4/fr

Status 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 Circuit d'attaque, et circuit et dispositif associés Pending EP4033863A4 (fr)

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 (fr)	2019-12-20	2020-04-02	Circuit d'attaque, et circuit et dispositif associés

Publications (2)

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

Family

ID=76382183

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20901972.8A Pending EP4033863A4 (fr)	2019-12-20	2020-04-02	Circuit d'attaque, et circuit et dispositif associés

Country Status (3)

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

Families Citing this family (4)

* 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
CN114785158A (zh) *	2022-04-29	2022-07-22	广东威灵电机制造有限公司	电机及其控制电路、控制方法和装置、可读存储介质
CN114785205B (zh) *	2022-04-29	2026-03-13	广东威灵电机制造有限公司	电机控制装置、方法、电机、可读存储介质和洗衣机
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 (5)

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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
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
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

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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
CN107844155B (zh) *	2017-11-10	2025-06-17	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
CN109309992B (zh) *	2018-10-26	2025-06-10	山东弘科能源有限公司	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

2019
- 2019-12-20 CN CN201911330642.7A patent/CN113015287B/zh active Active
2020
- 2020-04-02 WO PCT/CN2020/082968 patent/WO2021120445A1/fr not_active Ceased
- 2020-04-02 EP EP20901972.8A patent/EP4033863A4/fr active Pending

Patent Citations (5)

* 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
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
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
WO2021120445A1 (fr)	2021-06-24
CN113015287A (zh)	2021-06-22
CN113015287B (zh)	2024-02-06
EP4033863A1 (fr)	2022-07-27

Legal Events

Date	Code	Title	Description
2021-06-25	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2022-06-24	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2022-06-24	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2022-07-27	17P	Request for examination filed	Effective date: 20220419
2022-07-27	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2022-10-04	REG	Reference to a national code	Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: H05B0033080000 Ipc: H05B0045355000
2022-11-09	A4	Supplementary search report drawn up and despatched	Effective date: 20221010
2022-11-09	RIC1	Information provided on ipc code assigned before grant	Ipc: H05B 45/355 20200101AFI20221004BHEP
2023-03-29	DAV	Request for validation of the european patent (deleted)
2023-03-29	DAX	Request for extension of the european patent (deleted)
2024-10-18	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2024-11-20	17Q	First examination report despatched	Effective date: 20241021

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