HK1188670A1 - 恒流驅動電路 - Google Patents

恒流驅動電路

Info

Publication number
HK1188670A1
HK1188670A1 HK14101695.0A HK14101695A HK1188670A1 HK 1188670 A1 HK1188670 A1 HK 1188670A1 HK 14101695 A HK14101695 A HK 14101695A HK 1188670 A1 HK1188670 A1 HK 1188670A1
Authority
HK
Hong Kong
Prior art keywords
led
constant current
driver circuit
current driver
constant
Prior art date
Application number
HK14101695.0A
Other languages
English (en)
Inventor
高源�
喬宇波
Original Assignee
深圳市富鑫雅科技發展有限公司
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 深圳市富鑫雅科技發展有限公司 filed Critical 深圳市富鑫雅科技發展有限公司
Publication of HK1188670A1 publication Critical patent/HK1188670A1/zh

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]
    • H05B45/375—Switched mode power supply [SMPS] using buck topology
HK14101695.0A 2011-05-19 2014-02-21 恒流驅動電路 HK1188670A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110129551 2011-05-19
PCT/CN2012/071060 WO2012155550A1 (zh) 2011-05-19 2012-02-13 Led恒流驱动电路

Publications (1)

Publication Number Publication Date
HK1188670A1 true HK1188670A1 (zh) 2014-05-09

Family

ID=47176197

Family Applications (1)

Application Number Title Priority Date Filing Date
HK14101695.0A HK1188670A1 (zh) 2011-05-19 2014-02-21 恒流驅動電路

Country Status (5)

Country Link
US (1) US8941319B2 (zh)
CN (1) CN103503572B (zh)
HK (1) HK1188670A1 (zh)
TW (1) TWI446317B (zh)
WO (1) WO2012155550A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9237625B1 (en) * 2012-12-18 2016-01-12 Universal Lighting Technologies, Inc. Driver circuit with a common interface for negative temperature coefficient resistor and bi-metallic strip temperature sensing
CN103476183B (zh) * 2013-09-23 2015-05-13 中山市领航光电科技有限公司 一种新型led恒流驱动电路
CN104754796B (zh) * 2013-12-26 2017-09-29 欧普照明股份有限公司 一种led恒流驱动电路
CN105451409B (zh) * 2014-09-29 2018-07-24 惠州Tcl照明电器有限公司 兼容电感、电子镇流器的直管led电源
CN104540298A (zh) * 2015-01-12 2015-04-22 成都果豆数字娱乐有限公司 一种用于手机的光控照明控制器
US9462645B1 (en) * 2015-08-18 2016-10-04 Haibin Cai LED driver circuit with stepwise adjustable power and LED lighting tube
CN106961268A (zh) * 2017-03-17 2017-07-18 深圳市振邦智能科技股份有限公司 无功耗电阻启动电路
CN107995748A (zh) * 2017-12-28 2018-05-04 广州爱易学智能信息科技有限公司 教室黑板led灯带的温度保护电路
CN116471723B (zh) * 2023-05-25 2023-09-15 湖北工业大学 一种基于恒流控制的led串联故障旁路电路及方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4530503B2 (ja) * 2000-08-24 2010-08-25 日本テキサス・インスツルメンツ株式会社 インピーダンス変換回路
US6388430B1 (en) * 2001-09-13 2002-05-14 The Esab Group, Inc. Buck regulator circuit for use in a power supply
US20080203934A1 (en) * 2005-05-09 2008-08-28 Koninklijke Philips Electronics, N.V. Method and Circuit for Enabling Dimming Using Triac Dimmer
US7649327B2 (en) * 2006-05-22 2010-01-19 Permlight Products, Inc. System and method for selectively dimming an LED
US9167641B2 (en) * 2008-11-28 2015-10-20 Lightech Electronic Industries Ltd. Phase controlled dimming LED driver system and method thereof
US8203276B2 (en) * 2008-11-28 2012-06-19 Lightech Electronic Industries Ltd. Phase controlled dimming LED driver system and method thereof
CN201369862Y (zh) * 2009-02-04 2009-12-23 北京朗波尔光电科技有限公司 一种led恒流驱动器
CN201388318Y (zh) * 2009-02-25 2010-01-20 常州美硕电子科技有限公司 一种led光源的驱动电路
CN101997407A (zh) * 2009-08-25 2011-03-30 刘宗正 一种稳压电源电路
CN101801133A (zh) * 2010-01-26 2010-08-11 上海创月能源科技有限公司 Led灯驱动电源电路
CN201706260U (zh) * 2010-05-11 2011-01-12 浙江金中机电科技有限公司 能改变色温和亮度的led灯
US8531166B2 (en) * 2010-07-26 2013-09-10 Richtek Technology Corporation, R.O.C. Constant on-time switching regulator, and control method and on-time calculation circuit therefor
CN201750602U (zh) * 2010-08-04 2011-02-16 宁波欧上照明有限公司 Led日光灯驱动电源
US20120074865A1 (en) * 2010-09-26 2012-03-29 Chicony Power Technology Co., Ltd. Light emitting diode driving device

Also Published As

Publication number Publication date
TWI446317B (zh) 2014-07-21
US20140070715A1 (en) 2014-03-13
TW201301226A (zh) 2013-01-01
CN103503572A (zh) 2014-01-08
US8941319B2 (en) 2015-01-27
CN103503572B (zh) 2015-05-06
WO2012155550A1 (zh) 2012-11-22

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20190210