CN110868199A - 一种上电长延时保护电路 - Google Patents
一种上电长延时保护电路 Download PDFInfo
- Publication number
- CN110868199A CN110868199A CN201911067308.7A CN201911067308A CN110868199A CN 110868199 A CN110868199 A CN 110868199A CN 201911067308 A CN201911067308 A CN 201911067308A CN 110868199 A CN110868199 A CN 110868199A
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- CN
- China
- Prior art keywords
- resistor
- comparator
- circuit
- power supply
- delay protection
- 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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Links
- 239000003990 capacitor Substances 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims 2
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 230000008859 change Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/22—Modifications for ensuring a predetermined initial state when the supply voltage has been applied
- H03K17/223—Modifications for ensuring a predetermined initial state when the supply voltage has been applied in field-effect transistor switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/16—Modifications for eliminating interference voltages or currents
- H03K17/161—Modifications for eliminating interference voltages or currents in field-effect transistor switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/22—Modifications for ensuring a predetermined initial state when the supply voltage has been applied
- H03K17/24—Storing the actual state when the supply voltage fails
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
- H03K17/284—Modifications for introducing a time delay before switching in field effect transistor switches
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Manipulation Of Pulses (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911067308.7A CN110868199B (zh) | 2019-11-04 | 2019-11-04 | 一种上电长延时保护电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911067308.7A CN110868199B (zh) | 2019-11-04 | 2019-11-04 | 一种上电长延时保护电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110868199A true CN110868199A (zh) | 2020-03-06 |
CN110868199B CN110868199B (zh) | 2023-12-22 |
Family
ID=69653087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201911067308.7A Active CN110868199B (zh) | 2019-11-04 | 2019-11-04 | 一种上电长延时保护电路 |
Country Status (1)
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CN (1) | CN110868199B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111505525A (zh) * | 2020-05-08 | 2020-08-07 | 深圳市百泰实业股份有限公司 | 一种抗干扰电源检测电路 |
CN113484589A (zh) * | 2021-06-30 | 2021-10-08 | 杭州加速科技有限公司 | 一种带有磁滞功能的掉电检测电路及控制系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10207580A (ja) * | 1997-01-17 | 1998-08-07 | Hitachi Ltd | パワーオンリセット発生回路および半導体集積回路並びにicカード |
CN206323360U (zh) * | 2017-01-09 | 2017-07-11 | 上海胤祺集成电路有限公司 | 上电复位电路 |
CN107733407A (zh) * | 2017-11-03 | 2018-02-23 | 中国电子科技集团公司第五十四研究所 | 一种快速充放电且复位时间可控的上电复位电路 |
CN108733114A (zh) * | 2017-04-24 | 2018-11-02 | 中芯国际集成电路制造(上海)有限公司 | 带隙基准和上电复位的复合功能电路及电子系统 |
CN109586698A (zh) * | 2018-11-29 | 2019-04-05 | 中国电子科技集团公司第四十七研究所 | 一种上电复位电路 |
-
2019
- 2019-11-04 CN CN201911067308.7A patent/CN110868199B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10207580A (ja) * | 1997-01-17 | 1998-08-07 | Hitachi Ltd | パワーオンリセット発生回路および半導体集積回路並びにicカード |
CN206323360U (zh) * | 2017-01-09 | 2017-07-11 | 上海胤祺集成电路有限公司 | 上电复位电路 |
CN108733114A (zh) * | 2017-04-24 | 2018-11-02 | 中芯国际集成电路制造(上海)有限公司 | 带隙基准和上电复位的复合功能电路及电子系统 |
CN107733407A (zh) * | 2017-11-03 | 2018-02-23 | 中国电子科技集团公司第五十四研究所 | 一种快速充放电且复位时间可控的上电复位电路 |
CN109586698A (zh) * | 2018-11-29 | 2019-04-05 | 中国电子科技集团公司第四十七研究所 | 一种上电复位电路 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111505525A (zh) * | 2020-05-08 | 2020-08-07 | 深圳市百泰实业股份有限公司 | 一种抗干扰电源检测电路 |
CN113484589A (zh) * | 2021-06-30 | 2021-10-08 | 杭州加速科技有限公司 | 一种带有磁滞功能的掉电检测电路及控制系统 |
Also Published As
Publication number | Publication date |
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CN110868199B (zh) | 2023-12-22 |
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CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Xiangyu Inventor after: Zhang Xiaowei Inventor after: Zhang Han Inventor after: Shu Junpeng Inventor after: Xie Kaihe Inventor before: Zhang Han Inventor before: Li Xiangyu Inventor before: Zhang Xiaowei Inventor before: Shu Junpeng Inventor before: Xie Kaihe |
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Effective date of registration: 20231129 Address after: No. 1201, 12th Floor, Building B, National Digital Publishing Base, Tiangu 7th Road, High tech Zone, Xi'an City, Shaanxi Province, 710000 Applicant after: Xi'an Hengsongyang Electric Co.,Ltd. Address before: 518000 1104, Building A, Zhiyun Industrial Park, No. 13, Huaxing Road, Henglang Community, Longhua District, Shenzhen, Guangdong Province Applicant before: Shenzhen Hongyue Information Technology Co.,Ltd. Effective date of registration: 20231129 Address after: 518000 1104, Building A, Zhiyun Industrial Park, No. 13, Huaxing Road, Henglang Community, Longhua District, Shenzhen, Guangdong Province Applicant after: Shenzhen Hongyue Information Technology Co.,Ltd. Address before: 315211, Fenghua Road, Jiangbei District, Zhejiang, Ningbo 818 Applicant before: Ningbo University |
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