CN112271701A - 一种用于开关电源芯片的过功率保护电路 - Google Patents
一种用于开关电源芯片的过功率保护电路 Download PDFInfo
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- CN112271701A CN112271701A CN202011241109.6A CN202011241109A CN112271701A CN 112271701 A CN112271701 A CN 112271701A CN 202011241109 A CN202011241109 A CN 202011241109A CN 112271701 A CN112271701 A CN 112271701A
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- module
- resistor
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- voltage
- power supply
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- 238000005070 sampling Methods 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 50
- 239000003990 capacitor Substances 0.000 claims description 35
- 238000001914 filtration Methods 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
- 241001125929 Trisopterus luscus Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/125—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
- H02H7/1255—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers responsive to internal faults, e.g. by monitoring ripple in output voltage
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011241109.6A CN112271701B (zh) | 2020-11-09 | 2020-11-09 | 一种用于开关电源芯片的过功率保护电路 |
Applications Claiming Priority (1)
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CN202011241109.6A CN112271701B (zh) | 2020-11-09 | 2020-11-09 | 一种用于开关电源芯片的过功率保护电路 |
Publications (2)
Publication Number | Publication Date |
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CN112271701A true CN112271701A (zh) | 2021-01-26 |
CN112271701B CN112271701B (zh) | 2024-05-31 |
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CN202011241109.6A Active CN112271701B (zh) | 2020-11-09 | 2020-11-09 | 一种用于开关电源芯片的过功率保护电路 |
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CN (1) | CN112271701B (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203233312U (zh) * | 2013-04-25 | 2013-10-09 | 深圳市明微电子股份有限公司 | 一种开关电源控制器以及开关电源装置 |
CN103368143A (zh) * | 2013-08-02 | 2013-10-23 | 成都启臣微电子有限公司 | 电流型开关电源过功率保护电路 |
CN203445602U (zh) * | 2013-09-02 | 2014-02-19 | 广州德励电子科技有限公司 | 反激过压保护电路 |
CN211352518U (zh) * | 2019-12-04 | 2020-08-25 | 浙江凯耀照明有限责任公司 | 一种输出过功率保护电路 |
CN213585138U (zh) * | 2020-11-09 | 2021-06-29 | 富满微电子集团股份有限公司 | 一种用于开关电源芯片的过功率保护电路 |
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2020
- 2020-11-09 CN CN202011241109.6A patent/CN112271701B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203233312U (zh) * | 2013-04-25 | 2013-10-09 | 深圳市明微电子股份有限公司 | 一种开关电源控制器以及开关电源装置 |
CN103368143A (zh) * | 2013-08-02 | 2013-10-23 | 成都启臣微电子有限公司 | 电流型开关电源过功率保护电路 |
CN203445602U (zh) * | 2013-09-02 | 2014-02-19 | 广州德励电子科技有限公司 | 反激过压保护电路 |
CN211352518U (zh) * | 2019-12-04 | 2020-08-25 | 浙江凯耀照明有限责任公司 | 一种输出过功率保护电路 |
CN213585138U (zh) * | 2020-11-09 | 2021-06-29 | 富满微电子集团股份有限公司 | 一种用于开关电源芯片的过功率保护电路 |
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Publication number | Publication date |
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CN112271701B (zh) | 2024-05-31 |
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Address after: 518000 1701, building 1, Shenzhen new generation industrial park, 136 Zhongkang Road, Meidu community, Meilin street, Futian District, Shenzhen City, Guangdong Province Applicant after: Fuman microelectronics Group Co.,Ltd. Address before: 518000 18 / F, west area, times science and technology building, nongyuan Road, Xiangmihu street, Futian District, Shenzhen City, Guangdong Province Applicant before: FINE MADE MICROELECTRONICS GROUP CO.,LTD. |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 518000, Building 101, Fuman Microelectronics Group Co., Ltd., Intersection of Renmin East Road and Shouhe Road, Jinsha Community, Kengzi Street, Pingshan District, Shenzhen City, Guangdong Province Patentee after: Fuman microelectronics Group Co.,Ltd. Country or region after: China Address before: 518000 1701, building 1, Shenzhen new generation industrial park, 136 Zhongkang Road, Meidu community, Meilin street, Futian District, Shenzhen City, Guangdong Province Patentee before: Fuman microelectronics Group Co.,Ltd. Country or region before: China |