CN108024420B - Led低压驱动电路和led灯具 - Google Patents
Led低压驱动电路和led灯具 Download PDFInfo
- Publication number
- CN108024420B CN108024420B CN201810014841.6A CN201810014841A CN108024420B CN 108024420 B CN108024420 B CN 108024420B CN 201810014841 A CN201810014841 A CN 201810014841A CN 108024420 B CN108024420 B CN 108024420B
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- CN
- China
- Prior art keywords
- capacitor
- output
- resistor
- led
- module
- 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.)
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Dc-Dc Converters (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
管脚号 | 管脚名称 | 描述 |
1 | OVP | 过压保护端,连接至输出脚和地之间的分压电阻 |
2 | COMP | 环路补偿端,连接补偿电阻(可选)串联补偿电容到地 |
3 | DIM | 调光输入端,不调光时悬空 |
4 | GND | 芯片接地端 |
5 | SW | 开关端,连接内部MOSFET漏极及外部整流二极管阳极 |
6 | VDD | 芯片的内部电源输出端 |
7 | VOUT | 输出电压连接点,并提供对芯片供电 |
8 | CS | LED电流采样端,连接采样电阻到VOUT端 |
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810014841.6A CN108024420B (zh) | 2018-01-08 | 2018-01-08 | Led低压驱动电路和led灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810014841.6A CN108024420B (zh) | 2018-01-08 | 2018-01-08 | Led低压驱动电路和led灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108024420A CN108024420A (zh) | 2018-05-11 |
CN108024420B true CN108024420B (zh) | 2023-07-28 |
Family
ID=62072456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810014841.6A Active CN108024420B (zh) | 2018-01-08 | 2018-01-08 | Led低压驱动电路和led灯具 |
Country Status (1)
Country | Link |
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CN (1) | CN108024420B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109041343A (zh) * | 2018-08-06 | 2018-12-18 | 广东德洛斯照明工业有限公司 | 一种低电磁辐射的led驱动电路 |
CN108922480B (zh) * | 2018-09-27 | 2024-04-02 | 广州视源电子科技股份有限公司 | 一种发光二极管均流控制电路 |
CN109587894B (zh) * | 2019-01-09 | 2024-03-05 | 浙江阳光美加照明有限公司 | 一种led灯丝灯的无线控制线性驱动电路 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2010100911A4 (en) * | 2009-12-10 | 2010-09-16 | Midelia Pty Ltd | Power converter and LED lamp |
CN202634816U (zh) * | 2012-05-25 | 2012-12-26 | 无锡实益达电子有限公司 | 小型化低电磁干扰的led驱动电源 |
CN103619089A (zh) * | 2013-09-11 | 2014-03-05 | 杭州电子科技大学 | 一种led驱动电源emi抑制方法 |
CN104426353A (zh) * | 2013-08-27 | 2015-03-18 | 深圳市海洋王照明工程有限公司 | 一种开关电源电路、照明装置以及充电器 |
WO2015131389A1 (zh) * | 2014-03-07 | 2015-09-11 | 深圳市众明半导体照明有限公司 | 一种mr16型led射灯及其调光电源 |
CN208063509U (zh) * | 2018-01-08 | 2018-11-06 | 江西美的贵雅照明有限公司 | Led低压驱动电路和led灯具 |
-
2018
- 2018-01-08 CN CN201810014841.6A patent/CN108024420B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2010100911A4 (en) * | 2009-12-10 | 2010-09-16 | Midelia Pty Ltd | Power converter and LED lamp |
CN202634816U (zh) * | 2012-05-25 | 2012-12-26 | 无锡实益达电子有限公司 | 小型化低电磁干扰的led驱动电源 |
CN104426353A (zh) * | 2013-08-27 | 2015-03-18 | 深圳市海洋王照明工程有限公司 | 一种开关电源电路、照明装置以及充电器 |
CN103619089A (zh) * | 2013-09-11 | 2014-03-05 | 杭州电子科技大学 | 一种led驱动电源emi抑制方法 |
WO2015131389A1 (zh) * | 2014-03-07 | 2015-09-11 | 深圳市众明半导体照明有限公司 | 一种mr16型led射灯及其调光电源 |
CN208063509U (zh) * | 2018-01-08 | 2018-11-06 | 江西美的贵雅照明有限公司 | Led低压驱动电路和led灯具 |
Also Published As
Publication number | Publication date |
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CN108024420A (zh) | 2018-05-11 |
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Legal Events
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 335400 Guixi Industrial Park No. 1, Yingtan City, Jiangxi Province Applicant after: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Applicant after: MIDEA GROUP Co.,Ltd. Address before: 335400 Guixi Industrial Park No. 1, Yingtan City, Jiangxi Province Applicant before: JIANGXI MIDEA GUIYA LIGHTING Co.,Ltd. Applicant before: MIDEA GROUP Co.,Ltd. |
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TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200610 Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Applicant after: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Applicant before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Applicant before: MIDEA GROUP Co.,Ltd. |
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CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Applicant after: Meizhi Optoelectronic Technology Co.,Ltd. Address before: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Applicant before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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