CN105007644B - 三引脚临界模式led驱动芯片的过零电流检测电路及其应用 - Google Patents
三引脚临界模式led驱动芯片的过零电流检测电路及其应用 Download PDFInfo
- Publication number
- CN105007644B CN105007644B CN201510437175.3A CN201510437175A CN105007644B CN 105007644 B CN105007644 B CN 105007644B CN 201510437175 A CN201510437175 A CN 201510437175A CN 105007644 B CN105007644 B CN 105007644B
- Authority
- CN
- China
- Prior art keywords
- oxide
- metal
- semiconductor
- current
- drain electrode
- 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.)
- Active
Links
Landscapes
- Dc-Dc Converters (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Electronic Switches (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510437175.3A CN105007644B (zh) | 2015-07-23 | 2015-07-23 | 三引脚临界模式led驱动芯片的过零电流检测电路及其应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510437175.3A CN105007644B (zh) | 2015-07-23 | 2015-07-23 | 三引脚临界模式led驱动芯片的过零电流检测电路及其应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105007644A CN105007644A (zh) | 2015-10-28 |
CN105007644B true CN105007644B (zh) | 2018-01-02 |
Family
ID=54380107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510437175.3A Active CN105007644B (zh) | 2015-07-23 | 2015-07-23 | 三引脚临界模式led驱动芯片的过零电流检测电路及其应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105007644B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108362929B (zh) * | 2018-04-18 | 2023-08-15 | 无锡硅动力微电子股份有限公司 | 双路正端电流采样模块、采样电路、开关电路及采样方法 |
US10855164B2 (en) * | 2018-09-06 | 2020-12-01 | Texas Instruments Incorporated | Zero current detector |
CN109890107B (zh) * | 2019-04-19 | 2021-07-16 | 上海源微电子科技有限公司 | 一种led驱动电路的mos管驱动电路及其应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101707837A (zh) * | 2009-11-27 | 2010-05-12 | 上海晶丰明源半导体有限公司 | 输出电压及电感量变化保持恒流的源级驱动led驱动电路 |
CN204349778U (zh) * | 2014-12-30 | 2015-05-20 | 杭州士兰微电子股份有限公司 | Led驱动电路及其开关电源控制器 |
CN204859602U (zh) * | 2015-07-23 | 2015-12-09 | 宁波拓扑思科电子科技有限公司 | Led驱动芯片的过零电流检测电路及其应用 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102340911B (zh) * | 2010-12-30 | 2013-08-07 | 矽力杰半导体技术(杭州)有限公司 | 一种led驱动器的控制电路及其控制方法 |
-
2015
- 2015-07-23 CN CN201510437175.3A patent/CN105007644B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101707837A (zh) * | 2009-11-27 | 2010-05-12 | 上海晶丰明源半导体有限公司 | 输出电压及电感量变化保持恒流的源级驱动led驱动电路 |
CN204349778U (zh) * | 2014-12-30 | 2015-05-20 | 杭州士兰微电子股份有限公司 | Led驱动电路及其开关电源控制器 |
CN204859602U (zh) * | 2015-07-23 | 2015-12-09 | 宁波拓扑思科电子科技有限公司 | Led驱动芯片的过零电流检测电路及其应用 |
Also Published As
Publication number | Publication date |
---|---|
CN105007644A (zh) | 2015-10-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106332390B (zh) | 一种非隔离led恒流驱动芯片、电路及方法 | |
CN102790516B (zh) | 用于电源管理的反馈箝位功率mos管驱动电路 | |
CN109802553A (zh) | 半桥电路驱动芯片及其驱动方法 | |
CN204810610U (zh) | 一种非隔离led恒流驱动芯片及电路 | |
CN106304500A (zh) | 一种用于led照明电源管理的驱动芯片与驱动电路 | |
CN104093250B (zh) | 一种用于led驱动电路的开路过压保护装置 | |
CN104302053A (zh) | Led恒流源输出检测控制电路及其控制方法 | |
CN105007644B (zh) | 三引脚临界模式led驱动芯片的过零电流检测电路及其应用 | |
CN103336165B (zh) | 一种交直流过流检测电路 | |
CN106712515B (zh) | Buck电路快速下电的方法、Buck电路和Buck/Boost电路 | |
CN208937644U (zh) | 制动电阻定性检测电路及其变频器 | |
CN103619095A (zh) | Led驱动电路 | |
CN207150147U (zh) | 过压保护电路及开关电源 | |
CN203814013U (zh) | 单端过零检测的led驱动电路 | |
CN204859602U (zh) | Led驱动芯片的过零电流检测电路及其应用 | |
CN109890107A (zh) | 一种led驱动电路的mos管驱动电路及其应用 | |
CN104411035B (zh) | 一种无需辅助绕组供电的led驱动电路 | |
CN203883691U (zh) | 电流过零点检测电路、驱动电路以及开关电源 | |
CN204993961U (zh) | Led驱动芯片的峰值电流检测电路及其应用 | |
CN203590551U (zh) | Led驱动电路 | |
CN107690213A (zh) | 非隔离低压不闪烁led驱动电路 | |
CN105101572B (zh) | 一种高功率因数led驱动集成电路 | |
CN104185345A (zh) | 一种用于led恒流驱动电路的控制装置 | |
CN103731049B (zh) | 电流过零点检测电路和方法,驱动电路和方法,开关电源 | |
CN202190220U (zh) | 一种同步整流电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210930 Address after: 315336 second floor, building 7, No. 866, Binhai Fourth Road, Hangzhou Bay New Area, Ningbo City, Zhejiang Province Patentee after: Ningbo Aola Semiconductor Co.,Ltd. Address before: 315041 room 505, No. 171, Jinyuan East Lane, Jiangdong District, Ningbo City, Zhejiang Province Patentee before: Shao Huijun Effective date of registration: 20210930 Address after: 315041 room 505, No. 171, Jinyuan East Lane, Jiangdong District, Ningbo City, Zhejiang Province Patentee after: Shao Huijun Address before: 315199 room 1501-05, No. 1688, ningheng Road, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: TOP-CYCLE SEMICONDUCTOR Inc. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 315336 second floor, building 7, No. 866, Binhai Fourth Road, Hangzhou Bay New Area, Ningbo City, Zhejiang Province Patentee after: Ningbo Aola Semiconductor Co.,Ltd. Address before: 315336 second floor, building 7, No. 866, Binhai Fourth Road, Hangzhou Bay New Area, Ningbo City, Zhejiang Province Patentee before: Ningbo Aola Semiconductor Co.,Ltd. |