GB2540827A - LED driver circuit with stepwise adjustable power and LED lighting tube - Google Patents

LED driver circuit with stepwise adjustable power and LED lighting tube Download PDF

Info

Publication number
GB2540827A
GB2540827A GB1520668.3A GB201520668A GB2540827A GB 2540827 A GB2540827 A GB 2540827A GB 201520668 A GB201520668 A GB 201520668A GB 2540827 A GB2540827 A GB 2540827A
Authority
GB
United Kingdom
Prior art keywords
resistor
connects
driver circuit
capacitor
chip
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.)
Withdrawn
Application number
GB1520668.3A
Other languages
English (en)
Other versions
GB201520668D0 (en
Inventor
Cai Haibin
Ling Wenhong
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.)
Huizhou Xindu Energy Saving And Env Prot Tech Co Ltd
Original Assignee
Huizhou Xindu Energy Saving And Env Prot Tech Co Ltd
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 Huizhou Xindu Energy Saving And Env Prot Tech Co Ltd filed Critical Huizhou Xindu Energy Saving And Env Prot Tech Co Ltd
Publication of GB201520668D0 publication Critical patent/GB201520668D0/en
Publication of GB2540827A publication Critical patent/GB2540827A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/345Current stabilisation; Maintaining constant current
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/37Converter circuits
    • H05B45/3725Switched mode power supply [SMPS]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB1520668.3A 2015-07-30 2015-11-24 LED driver circuit with stepwise adjustable power and LED lighting tube Withdrawn GB2540827A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510457766.7A CN105072747B (zh) 2015-07-30 2015-07-30 一种分段调功率的led驱动电路及led灯管

Publications (2)

Publication Number Publication Date
GB201520668D0 GB201520668D0 (en) 2016-01-06
GB2540827A true GB2540827A (en) 2017-02-01

Family

ID=54501984

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1520668.3A Withdrawn GB2540827A (en) 2015-07-30 2015-11-24 LED driver circuit with stepwise adjustable power and LED lighting tube

Country Status (4)

Country Link
CN (1) CN105072747B (zh)
DE (1) DE102015120498A1 (zh)
GB (1) GB2540827A (zh)
NL (1) NL2015840B1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105375781A (zh) * 2015-12-21 2016-03-02 常州市肯迪电器制造有限公司 一种手持便携式低压直流电热刀的电路***
CN105530724B (zh) * 2016-01-14 2019-01-18 华南理工大学 基于scc的可均流独立调光多路led驱动电路
CN109168215B (zh) * 2018-09-04 2021-01-15 广东明丰电源电器实业有限公司 一种基于多通道控制的调光电路
CN110677956A (zh) * 2019-10-15 2020-01-10 横店集团得邦照明股份有限公司 一种可控硅调光及开关分段切换的led电路及其实现方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030117087A1 (en) * 2000-03-17 2003-06-26 Tridonicatco Gmbh & Co. Kg Drive circuit for light-emitting diodes
US20110109249A1 (en) * 2009-11-10 2011-05-12 Green Mark Technology Inc. Dimmable led lamp and dimmable led lighting apparatus
US20110291585A1 (en) * 2010-05-26 2011-12-01 Mass Technology (H.K.) Limited Stepped dimming device for led lamp
EP2571334A1 (en) * 2011-09-14 2013-03-20 Alpine Electronics, Inc. LED lighting time control apparatus
US20130088173A1 (en) * 2008-03-24 2013-04-11 Kabushiki Kaisha Toshiba Power supply device and lighting equipment
CN103256509A (zh) * 2013-05-22 2013-08-21 北京铨富光电科技有限公司 一种无外置调光器的分段式led可调光灯及其调光方法
US20150042227A1 (en) * 2013-08-09 2015-02-12 Osram Sylvania Inc. Bi-level current configurable driver
WO2015175694A2 (en) * 2014-05-13 2015-11-19 Ilumisys, Inc. User input systems for an led-based light

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7906913B2 (en) * 2008-04-18 2011-03-15 Osram Sylvania Inc. Low loss input channel detection device for a direct current powered lighting system
CN101649980A (zh) * 2008-08-15 2010-02-17 胡奎生 一种高效太阳能路灯
WO2010021675A1 (en) * 2008-08-18 2010-02-25 Superbulbs, Inc. Settable light bulbs
CN101984735A (zh) * 2010-11-26 2011-03-09 皇明洁能控股有限公司 Led恒流驱动器和照明***
US9360198B2 (en) * 2011-12-06 2016-06-07 Express Imaging Systems, Llc Adjustable output solid-state lighting device
CN102711318A (zh) * 2012-05-02 2012-10-03 浙江阳光照明电器集团股份有限公司 一种led城市公共照明灯具智能控制***
US9144129B2 (en) * 2012-06-06 2015-09-22 The Regents Of The University Of California Switchable luminance LED light bulb
US9049769B2 (en) * 2012-06-07 2015-06-02 Seckin KEMAL SECILMIS LED light bulb with failure indication and color change capability
US20140265931A1 (en) * 2013-03-15 2014-09-18 Hatch Transformers, Inc. Electrical Power Supply With Removable Plug-In Cartridge
DE102014109466A1 (de) * 2014-01-17 2015-07-23 Siteco Beleuchtungstechnik Gmbh Schaltung zur LED-Stromversorgung
CN204993966U (zh) * 2015-07-30 2016-01-20 惠州市信迪节能环保科技有限公司 一种分段调功率的led驱动电路及led灯管

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030117087A1 (en) * 2000-03-17 2003-06-26 Tridonicatco Gmbh & Co. Kg Drive circuit for light-emitting diodes
US20130088173A1 (en) * 2008-03-24 2013-04-11 Kabushiki Kaisha Toshiba Power supply device and lighting equipment
US20110109249A1 (en) * 2009-11-10 2011-05-12 Green Mark Technology Inc. Dimmable led lamp and dimmable led lighting apparatus
US20110291585A1 (en) * 2010-05-26 2011-12-01 Mass Technology (H.K.) Limited Stepped dimming device for led lamp
EP2571334A1 (en) * 2011-09-14 2013-03-20 Alpine Electronics, Inc. LED lighting time control apparatus
CN103256509A (zh) * 2013-05-22 2013-08-21 北京铨富光电科技有限公司 一种无外置调光器的分段式led可调光灯及其调光方法
US20150042227A1 (en) * 2013-08-09 2015-02-12 Osram Sylvania Inc. Bi-level current configurable driver
WO2015175694A2 (en) * 2014-05-13 2015-11-19 Ilumisys, Inc. User input systems for an led-based light

Also Published As

Publication number Publication date
CN105072747B (zh) 2017-08-25
NL2015840A (en) 2017-02-02
DE102015120498A1 (de) 2017-02-02
NL2015840B1 (en) 2019-01-28
CN105072747A (zh) 2015-11-18
GB201520668D0 (en) 2016-01-06

Similar Documents

Publication Publication Date Title
JP5031865B2 (ja) Led駆動回路、led照明灯具、led照明機器、及びled照明システム
US11153946B2 (en) Circuit for linearly driving LED illumination based on MCU-controlled color temperature switching
NL2015840B1 (en) LED driver circuit with stepwise adjustable power and LED lighting tube.
JP3201800U (ja) パワー調整可能にセグメント化されたled駆動回路とledランプ
TWI587737B (zh) 調光模組以及固態光源裝置
WO2014122891A1 (ja) 駆動回路、照明用光源、及び、照明装置
WO2020073359A1 (zh) 调光调色无频闪筒灯电路设计
US20200107417A1 (en) Led current ripple elimination circuit applicable to very low triac dimming depth
WO2015021706A1 (zh) 调光电路及可调光照明设备
TWI565362B (zh) 固態光源裝置與其調光電路
TWM465514U (zh) 具線性式led串列群組驅動裝置之光源模組
Adragna Primary-controlled high-PF flyback converters deliver constant dc output current
US9462645B1 (en) LED driver circuit with stepwise adjustable power and LED lighting tube
CN204616142U (zh) 一种可调光led台灯
Wang et al. Design and implementation of a single-stage high-efficacy LED driver with dynamic voltage regulation
TWI501702B (zh) 使用切換式開關之調光方法及相關照明系統
CN204993966U (zh) 一种分段调功率的led驱动电路及led灯管
WO2018166235A1 (zh) 一种led灯调光***
JP3185138U (ja) 駆動回路
TWI594663B (zh) 光源驅動器及包含此光源驅動器之照明裝置
CN203984739U (zh) 自动调光触摸台灯
CN203912269U (zh) 一种自激式triac调光电路
TW201408126A (zh) 發光二極體調光裝置
CN203231200U (zh) 脉冲叠加分段式调光led吸顶灯
JP2014060904A (ja) 電源装置及び照明装置

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)