CN102487195A - Reversed polarity protection circuit of power supply - Google Patents
Reversed polarity protection circuit of power supply Download PDFInfo
- Publication number
- CN102487195A CN102487195A CN2010105721802A CN201010572180A CN102487195A CN 102487195 A CN102487195 A CN 102487195A CN 2010105721802 A CN2010105721802 A CN 2010105721802A CN 201010572180 A CN201010572180 A CN 201010572180A CN 102487195 A CN102487195 A CN 102487195A
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- power supply
- electronic switch
- diode
- protection circuit
- nmos pass
- 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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- 230000000087 stabilizing effect Effects 0.000 claims description 27
- 238000005086 pumping Methods 0.000 claims description 23
- 238000001514 detection method Methods 0.000 abstract 4
- 239000003990 capacitor Substances 0.000 description 23
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
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- Protection Of Static Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010572180.2A CN102487195B (en) | 2010-12-03 | 2010-12-03 | Reversed polarity protection circuit of power supply |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010572180.2A CN102487195B (en) | 2010-12-03 | 2010-12-03 | Reversed polarity protection circuit of power supply |
Publications (2)
Publication Number | Publication Date |
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CN102487195A true CN102487195A (en) | 2012-06-06 |
CN102487195B CN102487195B (en) | 2014-07-16 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010572180.2A Active CN102487195B (en) | 2010-12-03 | 2010-12-03 | Reversed polarity protection circuit of power supply |
Country Status (1)
Country | Link |
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CN (1) | CN102487195B (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103354415A (en) * | 2013-06-28 | 2013-10-16 | 江苏浩峰汽车附件有限公司 | N-channel MOS tube grid electrode suspension drive circuit used to prevent reversed connection |
CN104518769A (en) * | 2013-09-30 | 2015-04-15 | 英飞凌科技股份有限公司 | On chip reverse polarity protection compliant with ISO and ESD requirements |
CN104795972A (en) * | 2015-05-15 | 2015-07-22 | 泓芯泰业科技(北京)有限公司 | Input current measurement and control circuit |
CN107370121A (en) * | 2017-07-28 | 2017-11-21 | 法雷奥汽车内部控制(深圳)有限公司 | A kind of protection circuit of LED illumination |
CN107947258A (en) * | 2017-11-13 | 2018-04-20 | 江苏罗特能源科技有限公司 | A kind of protection circuit to controller for solar |
CN109088391A (en) * | 2018-09-18 | 2018-12-25 | Tcl-罗格朗国际电工(惠州)有限公司 | Short-circuit protection circuit and nonstandard POE charger |
CN110143111A (en) * | 2019-05-05 | 2019-08-20 | 广东美的制冷设备有限公司 | Air condition with camion power circuit, controlled vehicle-mounted electrical device and air condition with camion |
CN115313345A (en) * | 2022-10-12 | 2022-11-08 | 成都新欣神风电子科技有限公司 | Reverse connection prevention protection circuit for direct-current power supply |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5517379A (en) * | 1993-05-26 | 1996-05-14 | Siliconix Incorporated | Reverse battery protection device containing power MOSFET |
CN201234134Y (en) * | 2008-06-26 | 2009-05-06 | 中兴通讯股份有限公司 | Protection circuit for electric power polarity reverse connection |
CN201256290Y (en) * | 2008-08-04 | 2009-06-10 | 研祥智能科技股份有限公司 | Protection circuit for suppressing surge current and preventing input voltage reverse connection |
CN101826724A (en) * | 2010-03-09 | 2010-09-08 | 海洋王照明科技股份有限公司 | Anti-reverse connection circuit of direct current power supply |
-
2010
- 2010-12-03 CN CN201010572180.2A patent/CN102487195B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5517379A (en) * | 1993-05-26 | 1996-05-14 | Siliconix Incorporated | Reverse battery protection device containing power MOSFET |
CN201234134Y (en) * | 2008-06-26 | 2009-05-06 | 中兴通讯股份有限公司 | Protection circuit for electric power polarity reverse connection |
CN201256290Y (en) * | 2008-08-04 | 2009-06-10 | 研祥智能科技股份有限公司 | Protection circuit for suppressing surge current and preventing input voltage reverse connection |
CN101826724A (en) * | 2010-03-09 | 2010-09-08 | 海洋王照明科技股份有限公司 | Anti-reverse connection circuit of direct current power supply |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103354415A (en) * | 2013-06-28 | 2013-10-16 | 江苏浩峰汽车附件有限公司 | N-channel MOS tube grid electrode suspension drive circuit used to prevent reversed connection |
CN103354415B (en) * | 2013-06-28 | 2016-01-20 | 江苏浩峰汽车附件有限公司 | A kind of for anti-reverse N-channel MOS tube grid suspension drive circuit |
CN104518769A (en) * | 2013-09-30 | 2015-04-15 | 英飞凌科技股份有限公司 | On chip reverse polarity protection compliant with ISO and ESD requirements |
CN104518769B (en) * | 2013-09-30 | 2018-02-23 | 英飞凌科技股份有限公司 | Semiconductor devices |
CN104795972A (en) * | 2015-05-15 | 2015-07-22 | 泓芯泰业科技(北京)有限公司 | Input current measurement and control circuit |
CN107370121A (en) * | 2017-07-28 | 2017-11-21 | 法雷奥汽车内部控制(深圳)有限公司 | A kind of protection circuit of LED illumination |
CN107947258A (en) * | 2017-11-13 | 2018-04-20 | 江苏罗特能源科技有限公司 | A kind of protection circuit to controller for solar |
CN109088391A (en) * | 2018-09-18 | 2018-12-25 | Tcl-罗格朗国际电工(惠州)有限公司 | Short-circuit protection circuit and nonstandard POE charger |
CN109088391B (en) * | 2018-09-18 | 2023-10-17 | 罗格朗智能电气(惠州)有限公司 | Short-circuit protection circuit and nonstandard POE power supply |
CN110143111A (en) * | 2019-05-05 | 2019-08-20 | 广东美的制冷设备有限公司 | Air condition with camion power circuit, controlled vehicle-mounted electrical device and air condition with camion |
CN110143111B (en) * | 2019-05-05 | 2021-04-27 | 广东美的制冷设备有限公司 | Vehicle-mounted air conditioner power supply circuit, vehicle-mounted electric control device and vehicle-mounted air conditioner |
CN115313345A (en) * | 2022-10-12 | 2022-11-08 | 成都新欣神风电子科技有限公司 | Reverse connection prevention protection circuit for direct-current power supply |
CN115313345B (en) * | 2022-10-12 | 2023-01-10 | 成都新欣神风电子科技有限公司 | Reverse connection prevention protection circuit for direct-current power supply |
Also Published As
Publication number | Publication date |
---|---|
CN102487195B (en) | 2014-07-16 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Reversed polarity protection circuit of power supply Effective date of registration: 20200410 Granted publication date: 20140716 Pledgee: Jiading Branch of Shanghai Bank Co.,Ltd. Pledgor: SHANGHAI PATEO ELECTRONIC EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: 2019110000002 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 201815 208, building 4, No. 1411, Yecheng Road, Jiading Industrial Zone, Jiading District, Shanghai Patentee after: Botai vehicle networking technology (Shanghai) Co.,Ltd. Address before: 200233 block D, 2f, Zhaofeng global building, No. 1800, Zhongshan West Road, Xuhui District, Shanghai Patentee before: SHANGHAI PATEO ELECTRONIC EQUIPMENT MANUFACTURING Co.,Ltd. |
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PM01 | Change of the registration of the contract for pledge of patent right | ||
PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20220329 Registration number: 2019110000002 Pledgor after: Botai vehicle networking technology (Shanghai) Co.,Ltd. Pledgor before: SHANGHAI PATEO ELECTRONIC EQUIPMENT MANUFACTURING Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: Room 3701, No. 866 East Changzhi Road, Hongkou District, Shanghai, 200080 Patentee after: Botai vehicle networking technology (Shanghai) Co.,Ltd. Country or region after: China Address before: 201815 208, building 4, No. 1411, Yecheng Road, Jiading Industrial Zone, Jiading District, Shanghai Patentee before: Botai vehicle networking technology (Shanghai) Co.,Ltd. Country or region before: China |