CN210776358U - 一种恒流控制电路和恒流控制装置 - Google Patents
一种恒流控制电路和恒流控制装置 Download PDFInfo
- Publication number
- CN210776358U CN210776358U CN201921578012.7U CN201921578012U CN210776358U CN 210776358 U CN210776358 U CN 210776358U CN 201921578012 U CN201921578012 U CN 201921578012U CN 210776358 U CN210776358 U CN 210776358U
- Authority
- CN
- China
- Prior art keywords
- electrically coupled
- terminal
- constant current
- input
- current control
- 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.)
- Withdrawn - After Issue
Links
- 238000004146 energy storage Methods 0.000 claims abstract description 55
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 230000005347 demagnetization Effects 0.000 claims abstract description 22
- 239000003990 capacitor Substances 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 6
- 230000005669 field effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 12
- 230000005611 electricity Effects 0.000 description 4
- 238000005034 decoration Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Images
Landscapes
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921578012.7U CN210776358U (zh) | 2019-09-20 | 2019-09-20 | 一种恒流控制电路和恒流控制装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921578012.7U CN210776358U (zh) | 2019-09-20 | 2019-09-20 | 一种恒流控制电路和恒流控制装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210776358U true CN210776358U (zh) | 2020-06-16 |
Family
ID=71046845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921578012.7U Withdrawn - After Issue CN210776358U (zh) | 2019-09-20 | 2019-09-20 | 一种恒流控制电路和恒流控制装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210776358U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110515414A (zh) * | 2019-09-20 | 2019-11-29 | 芯好半导体(成都)有限公司 | 一种恒流控制电路、方法和恒流控制装置 |
CN115441702A (zh) * | 2022-11-08 | 2022-12-06 | 成都智融微电子有限公司 | 一种应用于反激式电源电路的自适应屏蔽时间生成系统 |
-
2019
- 2019-09-20 CN CN201921578012.7U patent/CN210776358U/zh not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110515414A (zh) * | 2019-09-20 | 2019-11-29 | 芯好半导体(成都)有限公司 | 一种恒流控制电路、方法和恒流控制装置 |
CN110515414B (zh) * | 2019-09-20 | 2024-07-12 | 上海晶丰明源半导体股份有限公司 | 一种恒流控制电路、方法和恒流控制装置 |
CN115441702A (zh) * | 2022-11-08 | 2022-12-06 | 成都智融微电子有限公司 | 一种应用于反激式电源电路的自适应屏蔽时间生成系统 |
CN115441702B (zh) * | 2022-11-08 | 2023-02-17 | 成都智融微电子有限公司 | 一种应用于反激式电源电路的自适应屏蔽时间生成系统 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI470911B (zh) | 開關變換電路及變換方法 | |
US7894213B2 (en) | DC to DC converter | |
US11005382B2 (en) | Synchronous rectification controlling device, isolated synchronous-rectification DC-DC converter, gate driving device, isolated DC-DC converter, AC-DC converter, power adapter, and electric appliance | |
JP4669306B2 (ja) | 擬似共振方式スイッチング電源装置及びそれを用いた擬似共振方式スイッチング電源回路 | |
CN109194145B (zh) | 推挽开关电源的驱动电路及推挽开关电源 | |
CN210776358U (zh) | 一种恒流控制电路和恒流控制装置 | |
CN112235903B (zh) | 控制电路、控制方法及其led驱动电路 | |
CN114079303A (zh) | 用于充电电路的限流控制电路及包括其的充电器 | |
US20140347021A1 (en) | Sampling negative coil current in a switching power converter and method thereof | |
CN102403895B (zh) | 基于MOSFET的自激式Sepic变换器 | |
CN104427721A (zh) | Led驱动电路 | |
CN104980133B (zh) | 过驱动发射极开关的双极性结型晶体管的基极电流的方法和相应电路 | |
CN203632550U (zh) | 一种开关模式电源及其控制电路 | |
CA2616728A1 (en) | Step-down voltage converter | |
CN110515414B (zh) | 一种恒流控制电路、方法和恒流控制装置 | |
CN210431988U (zh) | 一种led驱动电路和led照明设备 | |
CN211508901U (zh) | 一种供电电路和电源装置 | |
US20100046933A1 (en) | Motor driving system | |
JP4414446B2 (ja) | スイッチング電源回路 | |
CN102510216B (zh) | 基于MOSFET的自激式Cuk变换器 | |
CN111629496B (zh) | 一种电荷泵控制电路及驱动电源 | |
CN112564469B (zh) | 开关变换器及其低压启动电路 | |
CN107770913B (zh) | 一种防止mos管过载的保护电路 | |
CN107087328B (zh) | Led驱动电路 | |
CN106385755B (zh) | 应用于气体放电灯镇流器的恒压限流控制电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210826 Address after: 200120 5th floor, building 2, Lane 666, zhangheng Road, Pudong New Area, Shanghai Patentee after: Shanghai Bright Power Semiconductor Co.,Ltd. Address before: No.2126 and 2127, 21 / F, building 1, No.56, Tianhui middle street, hi tech Zone, Chengdu, Sichuan Province 610000 Patentee before: Xinhao semiconductor (Chengdu) Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20200616 Effective date of abandoning: 20240712 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20200616 Effective date of abandoning: 20240712 |