CN108575019B - 电流纹波消除电路 - Google Patents
电流纹波消除电路 Download PDFInfo
- Publication number
- CN108575019B CN108575019B CN201710741938.2A CN201710741938A CN108575019B CN 108575019 B CN108575019 B CN 108575019B CN 201710741938 A CN201710741938 A CN 201710741938A CN 108575019 B CN108575019 B CN 108575019B
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- China
- Prior art keywords
- resistor
- power tube
- current ripple
- capacitor
- tube
- 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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- 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
- H05B45/36—Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
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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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
-
- 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
- H05B45/395—Linear regulators
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rectifiers (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (3)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710741938.2A CN108575019B (zh) | 2017-08-25 | 2017-08-25 | 电流纹波消除电路 |
PCT/CN2018/082431 WO2019037437A1 (zh) | 2017-08-25 | 2018-04-10 | 电流纹波消除电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710741938.2A CN108575019B (zh) | 2017-08-25 | 2017-08-25 | 电流纹波消除电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108575019A CN108575019A (zh) | 2018-09-25 |
CN108575019B true CN108575019B (zh) | 2020-02-21 |
Family
ID=63576243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710741938.2A Active CN108575019B (zh) | 2017-08-25 | 2017-08-25 | 电流纹波消除电路 |
Country Status (2)
Country | Link |
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CN (1) | CN108575019B (zh) |
WO (1) | WO2019037437A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110933816B (zh) * | 2018-09-28 | 2022-01-14 | 江苏帝奥微电子股份有限公司 | 适用于极低triac调光深度的led电流纹波消除电路 |
CN110381639B (zh) * | 2019-07-26 | 2024-04-26 | 江苏帝奥微电子股份有限公司 | 用于消除led纹波电流的控制电路及方法 |
CN113992161B (zh) * | 2021-10-27 | 2022-05-20 | 陕西亚成微电子股份有限公司 | 一种降低纹波的动态电流供应电路及方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103889113B (zh) * | 2014-03-03 | 2017-01-25 | 深圳市明微电子股份有限公司 | 一种led电流纹波消除电路及led发光装置 |
CN104093253B (zh) * | 2014-07-16 | 2016-04-06 | 浙江大学 | 一种无频闪隔离型led恒流驱动电路 |
CN104168684B (zh) * | 2014-07-18 | 2016-05-18 | 许瑞清 | 电流纹波消除集成电路 |
CN106658862B (zh) * | 2017-01-17 | 2018-03-27 | 厦门奇力微电子有限公司 | 电流纹波消除电路及其方法 |
CN106941752B (zh) * | 2017-05-05 | 2019-05-31 | 矽力杰半导体技术(杭州)有限公司 | 纹波抑制电路和led驱动器 |
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2017
- 2017-08-25 CN CN201710741938.2A patent/CN108575019B/zh active Active
-
2018
- 2018-04-10 WO PCT/CN2018/082431 patent/WO2019037437A1/zh active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2019037437A1 (zh) | 2019-02-28 |
CN108575019A (zh) | 2018-09-25 |
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Legal Events
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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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: No.16, wei14 Road, Sutong science and Technology Industrial Park, Nantong, Jiangsu Province Patentee after: Jiangsu Dior Microelectronics Co., Ltd Address before: 226017 Nantong science and Technology Industrial Park, Su Tong Road, Jiangsu, No. 14, No. 16 Patentee before: DIAO MICROELECTRONICS Co.,Ltd. |
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CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 6 / F, building 8, Zilang science and Technology City, Nantong Innovation Zone, 60 Chongzhou Avenue, Nantong City, Jiangsu Province 226000 Patentee after: Jiangsu Dior Microelectronics Co., Ltd Address before: No.16, wei14 Road, Sutong science and Technology Industrial Park, Nantong, Jiangsu Province Patentee before: Jiangsu Dior Microelectronics Co., Ltd |