EP3900494A4 - Power supply for lamp - Google Patents
Power supply for lamp Download PDFInfo
- Publication number
- EP3900494A4 EP3900494A4 EP18938325.0A EP18938325A EP3900494A4 EP 3900494 A4 EP3900494 A4 EP 3900494A4 EP 18938325 A EP18938325 A EP 18938325A EP 3900494 A4 EP3900494 A4 EP 3900494A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp
- power supply
- supply
- power
- 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
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
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
-
- 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
-
- 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]
- H05B45/39—Circuits containing inverter bridges
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2018/112333 WO2020087199A1 (en) | 2018-10-29 | 2018-10-29 | Power supply for lamp |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3900494A1 EP3900494A1 (en) | 2021-10-27 |
EP3900494A4 true EP3900494A4 (en) | 2022-05-18 |
EP3900494B1 EP3900494B1 (en) | 2023-09-20 |
Family
ID=70462301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18938325.0A Active EP3900494B1 (en) | 2018-10-29 | 2018-10-29 | Power supply for lamp |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3900494B1 (en) |
CN (1) | CN112970334B (en) |
WO (1) | WO2020087199A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050271149A1 (en) * | 2004-06-03 | 2005-12-08 | Timothy Dupuis | RF isolator for isolating voltage sensing and gate drivers |
US20110204803A1 (en) * | 2009-10-26 | 2011-08-25 | Miroslaw Marek Grotkowski | Efficient electrically isolated light sources |
CN106992664A (en) * | 2016-01-21 | 2017-07-28 | 产晶积体电路股份有限公司 | Isolated power conversion system |
EP3319217A1 (en) * | 2016-11-07 | 2018-05-09 | Delta Electronics, Inc. | Multi-stage power converter and control method thereof |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1160964A3 (en) * | 2000-06-01 | 2004-05-06 | Sony Corporation | Power supplying apparatus and methods |
CN101339747B (en) * | 2007-07-03 | 2011-07-06 | 尼克森微电子股份有限公司 | Primary side driven liquid crystal panel backlight circuit |
US7885084B2 (en) * | 2007-10-03 | 2011-02-08 | System General Corp. | Control circuit for synchronous rectifying and soft switching of power converters |
US7764516B2 (en) * | 2008-02-21 | 2010-07-27 | System General Corporation | Method and apparatus of providing synchronous regulation circuit for offline power converter |
US8269432B2 (en) * | 2009-09-14 | 2012-09-18 | System General Corporation | Offline LED lighting circuit with dimming control |
CN102300359A (en) * | 2010-06-25 | 2011-12-28 | 首利实业股份有限公司 | Power supply device of light emitting diode (LED) lamp |
US8274242B2 (en) * | 2010-07-19 | 2012-09-25 | Solytech Enterprise Corporation | Power supply apparatus for an LED lamp |
BR112014001467A2 (en) * | 2011-07-25 | 2017-02-21 | Koninklijke Philips Nv | system for implementing dimming based on the signal from the solid state lighting module, and method for providing dimming based on the signal from a LED module |
US9118392B2 (en) * | 2013-04-16 | 2015-08-25 | Silicon Laboratories Inc. | Isolated serializer-deserializer |
US9089012B2 (en) * | 2013-05-24 | 2015-07-21 | Terralux, Inc. | Secondary-side sensing of phase-dimming signal |
CN104597822B (en) * | 2013-10-31 | 2017-05-17 | 施耐德电器工业公司 | Digital input line break detection method and circuit |
DE102014202665A1 (en) * | 2014-02-13 | 2015-08-27 | Tridonic Gmbh & Co Kg | Driver circuit for LEDs |
TWI551022B (en) * | 2014-11-11 | 2016-09-21 | Dynamic drive capability adjustment of the power control device | |
DE102015109692A1 (en) * | 2015-06-17 | 2016-12-22 | Infineon Technologies Austria Ag | Switching converter with signal transmission from secondary side to primary side |
CN106714410B (en) * | 2015-11-13 | 2019-11-29 | 台达电子工业股份有限公司 | Light adjustable OnNow stabilizer light adjusting and controlling device |
WO2017133001A1 (en) * | 2016-02-05 | 2017-08-10 | 广东欧珀移动通信有限公司 | Charging method, adapter, and mobile terminal |
CN107579670B (en) * | 2017-09-19 | 2020-02-18 | 东南大学 | Constant voltage output control system of synchronous rectification primary side feedback flyback power supply |
CN107766279B (en) * | 2017-11-27 | 2023-09-05 | 惠州市蓝微电子有限公司 | Battery communication isolation circuit and device |
-
2018
- 2018-10-29 WO PCT/CN2018/112333 patent/WO2020087199A1/en unknown
- 2018-10-29 CN CN201880099175.9A patent/CN112970334B/en active Active
- 2018-10-29 EP EP18938325.0A patent/EP3900494B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050271149A1 (en) * | 2004-06-03 | 2005-12-08 | Timothy Dupuis | RF isolator for isolating voltage sensing and gate drivers |
US20110204803A1 (en) * | 2009-10-26 | 2011-08-25 | Miroslaw Marek Grotkowski | Efficient electrically isolated light sources |
CN106992664A (en) * | 2016-01-21 | 2017-07-28 | 产晶积体电路股份有限公司 | Isolated power conversion system |
EP3319217A1 (en) * | 2016-11-07 | 2018-05-09 | Delta Electronics, Inc. | Multi-stage power converter and control method thereof |
Also Published As
Publication number | Publication date |
---|---|
EP3900494A1 (en) | 2021-10-27 |
CN112970334B (en) | 2023-09-29 |
CN112970334A (en) | 2021-06-15 |
WO2020087199A1 (en) | 2020-05-07 |
EP3900494B1 (en) | 2023-09-20 |
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