CN108271286A - 一种led调光驱动电路以及开关电源 - Google Patents
一种led调光驱动电路以及开关电源 Download PDFInfo
- Publication number
- CN108271286A CN108271286A CN201611265722.5A CN201611265722A CN108271286A CN 108271286 A CN108271286 A CN 108271286A CN 201611265722 A CN201611265722 A CN 201611265722A CN 108271286 A CN108271286 A CN 108271286A
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- CN
- China
- Prior art keywords
- circuit
- signal
- turn
- time
- switch pipe
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 230000011664 signaling Effects 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 238000012935 Averaging Methods 0.000 claims description 16
- 230000003750 conditioning effect Effects 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 8
- 238000004146 energy storage Methods 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 5
- 238000012512 characterization method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 101150096839 Fcmr gene Proteins 0.000 description 1
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- 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
-
- 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]
- H05B45/10—Controlling the intensity of the light
-
- 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611265722.5A CN108271286B (zh) | 2016-12-30 | 2016-12-30 | 一种led调光驱动电路以及开关电源 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611265722.5A CN108271286B (zh) | 2016-12-30 | 2016-12-30 | 一种led调光驱动电路以及开关电源 |
Publications (2)
Publication Number | Publication Date |
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CN108271286A true CN108271286A (zh) | 2018-07-10 |
CN108271286B CN108271286B (zh) | 2024-06-18 |
Family
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Family Applications (1)
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CN201611265722.5A Active CN108271286B (zh) | 2016-12-30 | 2016-12-30 | 一种led调光驱动电路以及开关电源 |
Country Status (1)
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CN (1) | CN108271286B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110446309A (zh) * | 2019-09-06 | 2019-11-12 | 上海新进芯微电子有限公司 | 一种led调光驱动电路及开关电源 |
CN111107691A (zh) * | 2018-10-25 | 2020-05-05 | 深圳市必易微电子有限公司 | 固态照明器件驱动模块、开关电源电路及调光方法 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008210536A (ja) * | 2007-02-23 | 2008-09-11 | Matsushita Electric Works Ltd | 調光装置とそれを用いた照明器具 |
CN102300376A (zh) * | 2010-06-25 | 2011-12-28 | 上海新进半导体制造有限公司 | Led驱动芯片的led短路检测保护方法及装置 |
CN102421226A (zh) * | 2011-09-06 | 2012-04-18 | 上海新进半导体制造有限公司 | 一种led调光驱动电路 |
CN102740571A (zh) * | 2012-07-18 | 2012-10-17 | 矽力杰半导体技术(杭州)有限公司 | 一种可调光的led驱动电路及驱动方法 |
US20130147385A1 (en) * | 2011-12-07 | 2013-06-13 | Richtek Technology Corporation | Compensating led current by led characteristics for led dimming control |
CN103337943A (zh) * | 2013-07-02 | 2013-10-02 | 上海新进半导体制造有限公司 | 导通时间产生电路、方法及应用其的控制电路、开关电源 |
CN103428936A (zh) * | 2012-05-16 | 2013-12-04 | 海洋王照明科技股份有限公司 | Led调光电路 |
US20140042919A1 (en) * | 2012-08-08 | 2014-02-13 | Innolux Corporation | Dimming device and dimming method thereof |
US20140354166A1 (en) * | 2013-05-30 | 2014-12-04 | Silergy Semiconductor Technology (Hangzhou) Ltd. | Dimming circuit and method for leds |
CN206743587U (zh) * | 2016-12-30 | 2017-12-12 | 上海新进半导体制造有限公司 | 一种led调光驱动电路以及开关电源 |
-
2016
- 2016-12-30 CN CN201611265722.5A patent/CN108271286B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008210536A (ja) * | 2007-02-23 | 2008-09-11 | Matsushita Electric Works Ltd | 調光装置とそれを用いた照明器具 |
CN102300376A (zh) * | 2010-06-25 | 2011-12-28 | 上海新进半导体制造有限公司 | Led驱动芯片的led短路检测保护方法及装置 |
CN102421226A (zh) * | 2011-09-06 | 2012-04-18 | 上海新进半导体制造有限公司 | 一种led调光驱动电路 |
US20130147385A1 (en) * | 2011-12-07 | 2013-06-13 | Richtek Technology Corporation | Compensating led current by led characteristics for led dimming control |
CN103428936A (zh) * | 2012-05-16 | 2013-12-04 | 海洋王照明科技股份有限公司 | Led调光电路 |
CN102740571A (zh) * | 2012-07-18 | 2012-10-17 | 矽力杰半导体技术(杭州)有限公司 | 一种可调光的led驱动电路及驱动方法 |
US20140042919A1 (en) * | 2012-08-08 | 2014-02-13 | Innolux Corporation | Dimming device and dimming method thereof |
US20140354166A1 (en) * | 2013-05-30 | 2014-12-04 | Silergy Semiconductor Technology (Hangzhou) Ltd. | Dimming circuit and method for leds |
CN103337943A (zh) * | 2013-07-02 | 2013-10-02 | 上海新进半导体制造有限公司 | 导通时间产生电路、方法及应用其的控制电路、开关电源 |
CN206743587U (zh) * | 2016-12-30 | 2017-12-12 | 上海新进半导体制造有限公司 | 一种led调光驱动电路以及开关电源 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111107691A (zh) * | 2018-10-25 | 2020-05-05 | 深圳市必易微电子有限公司 | 固态照明器件驱动模块、开关电源电路及调光方法 |
CN111107691B (zh) * | 2018-10-25 | 2022-04-12 | 深圳市必易微电子股份有限公司 | 固态照明器件驱动模块、开关电源电路及调光方法 |
CN110446309A (zh) * | 2019-09-06 | 2019-11-12 | 上海新进芯微电子有限公司 | 一种led调光驱动电路及开关电源 |
CN110446309B (zh) * | 2019-09-06 | 2024-03-15 | 上海新进芯微电子有限公司 | 一种led调光驱动电路及开关电源 |
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Publication number | Publication date |
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CN108271286B (zh) | 2024-06-18 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210203 Address after: No. 1600, Zixing Road, Minhang District, Shanghai 200241 Applicant after: BCD (SHANGHAI) MICRO-ELECTRONICS Ltd. Address before: No. 1600, Zixing Road, Minhang District, Shanghai 200241 Applicant before: BCD Semiconductor Manufacturing Limited Applicant before: BCD (SHANGHAI) MICRO-ELECTRONICS Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20180710 Assignee: DIODES SHANGHAI CO.,LTD. Assignor: BCD (SHANGHAI) MICRO-ELECTRONICS Ltd. Contract record no.: X2024980016438 Denomination of invention: A LED dimming driving circuit and switching power supply Granted publication date: 20240618 License type: Common License Record date: 20240927 |