CN101594048B - PWM buck convertor with overcurrent protection function - Google Patents
PWM buck convertor with overcurrent protection function Download PDFInfo
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- CN101594048B CN101594048B CN2009101060776A CN200910106077A CN101594048B CN 101594048 B CN101594048 B CN 101594048B CN 2009101060776 A CN2009101060776 A CN 2009101060776A CN 200910106077 A CN200910106077 A CN 200910106077A CN 101594048 B CN101594048 B CN 101594048B
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009101060776A CN101594048B (en) | 2009-03-19 | 2009-03-19 | PWM buck convertor with overcurrent protection function |
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CN2009101060776A CN101594048B (en) | 2009-03-19 | 2009-03-19 | PWM buck convertor with overcurrent protection function |
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CN101594048A CN101594048A (en) | 2009-12-02 |
CN101594048B true CN101594048B (en) | 2011-01-19 |
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CN2009101060776A Expired - Fee Related CN101594048B (en) | 2009-03-19 | 2009-03-19 | PWM buck convertor with overcurrent protection function |
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Families Citing this family (28)
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US8026700B1 (en) * | 2010-03-12 | 2011-09-27 | Freescale Semiconductor, Inc. | DC to DC converter having switch control and method of operation |
JP5516286B2 (en) * | 2010-09-30 | 2014-06-11 | ミツミ電機株式会社 | Current voltage detection circuit and current control circuit |
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CN102566732A (en) * | 2010-12-22 | 2012-07-11 | 鸿富锦精密工业(深圳)有限公司 | Output current monitoring device for voltage reduction type conversion circuit |
CN102647078A (en) * | 2011-02-22 | 2012-08-22 | 鸿富锦精密工业(深圳)有限公司 | Synchronous switching buck chip |
CN102255489B (en) * | 2011-07-26 | 2013-06-19 | 无锡硅动力微电子股份有限公司 | High-voltage start-up circuit for switching power supply converter |
CN103022026B (en) * | 2011-09-20 | 2015-11-25 | 立锜科技股份有限公司 | Multi-chip module and manufacturing method thereof |
CN103346537A (en) * | 2013-06-09 | 2013-10-09 | 苏州博创集成电路设计有限公司 | Short-circuit protection structure |
CN104377662B (en) * | 2013-08-12 | 2018-05-08 | 山特电子(深圳)有限公司 | Very fast hardware current-limiting circuit |
CN103701312A (en) * | 2013-12-29 | 2014-04-02 | 上海艾为电子技术有限公司 | Current limiting circuit and method of boost converter |
CN104617765A (en) * | 2015-02-13 | 2015-05-13 | 深圳市励创微电子有限公司 | Direct-current step-down type switching power chip and application circuit thereof |
US10205313B2 (en) | 2015-07-24 | 2019-02-12 | Symptote Technologies, LLC | Two-transistor devices for protecting circuits from sustained overcurrent |
CN106410759B (en) * | 2015-07-29 | 2018-12-18 | 青岛海尔空调电子有限公司 | A kind of method and device thereof of exchange line control machine communication overcurrent protection |
WO2017053333A1 (en) * | 2015-09-21 | 2017-03-30 | Symptote Technologies Llc | One-transistor devices for protecting circuits and autocatalytic voltage conversion therefor |
CN105305798B (en) * | 2015-10-19 | 2018-08-17 | 矽力杰半导体技术(杭州)有限公司 | Current-limiting protection circuit and current limiting protecting method applied to buck converter |
CN105790551B (en) * | 2016-04-11 | 2019-02-05 | 联想(北京)有限公司 | Reduction voltage circuit and electronic equipment |
CN105871189B (en) * | 2016-05-24 | 2018-06-29 | 电子科技大学 | A kind of over-current detection circuit |
CN106230244B (en) * | 2016-08-18 | 2019-03-22 | 株洲中车时代电气股份有限公司 | A kind of frequency converter over-current protection method, device and frequency converter |
CN106685203B (en) * | 2016-12-21 | 2019-08-23 | 兰州空间技术物理研究所 | A kind of Buck converter of overcurrent shutdown protection |
CN107770913B (en) * | 2017-11-02 | 2020-03-17 | 中国科学院半导体研究所 | Protection circuit for preventing MOS tube from overloading |
CN109067155B (en) * | 2018-07-10 | 2020-04-07 | 深圳市华星光电半导体显示技术有限公司 | Overcurrent protection circuit and method of DC-DC conversion circuit and display panel |
CN111262228B (en) * | 2018-12-03 | 2022-06-28 | 华大半导体有限公司 | Current-limiting protection device and motor driving chip |
CN109787596B (en) * | 2018-12-25 | 2023-08-04 | 深圳市优必选科技有限公司 | Overcurrent protection circuit, switching tube driving circuit and electric equipment |
CN114465206B (en) * | 2022-01-06 | 2024-03-12 | 浙江科睿微电子技术有限公司 | Self-recovery overcurrent protection circuit of BUCK converter |
CN115021215B (en) * | 2022-08-05 | 2022-11-15 | 禹创半导体(深圳)有限公司 | Method for reducing overshoot phenomenon of input voltage of power circuit |
CN116613619B (en) * | 2022-10-24 | 2024-01-02 | 深圳市中图仪器股份有限公司 | Laser power supply system with overvoltage protection function |
CN115441702B (en) * | 2022-11-08 | 2023-02-17 | 成都智融微电子有限公司 | Self-adaptive shielding time generation system applied to flyback power supply circuit |
CN117007892B (en) * | 2023-09-26 | 2023-12-15 | 深圳市思远半导体有限公司 | Detection circuit, power management chip and electronic equipment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101141094A (en) * | 2007-08-17 | 2008-03-12 | 浙江大学 | Control Method and Controller for Current-Limited Sliding Mode Control Step-Down DC-DC Converter |
CN100442620C (en) * | 2005-02-03 | 2008-12-10 | 昂宝电子(上海)有限公司 | Systems and methods for multi-threshold overcurrent protection of switching power converters |
-
2009
- 2009-03-19 CN CN2009101060776A patent/CN101594048B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100442620C (en) * | 2005-02-03 | 2008-12-10 | 昂宝电子(上海)有限公司 | Systems and methods for multi-threshold overcurrent protection of switching power converters |
CN101141094A (en) * | 2007-08-17 | 2008-03-12 | 浙江大学 | Control Method and Controller for Current-Limited Sliding Mode Control Step-Down DC-DC Converter |
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CN101594048A (en) | 2009-12-02 |
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Owner name: WUXI XINMAO MICROELECTRONICS CO., LTD. Free format text: FORMER OWNER: SHENZHEN LAND HOPE MICRO-ELECTRONICS CO., LTD. Effective date: 20130603 |
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Free format text: CORRECT: ADDRESS; FROM: 518057 SHENZHEN, GUANGDONG PROVINCE TO: 214029 WUXI, JIANGSU PROVINCE |
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Effective date of registration: 20130603 Address after: 214029, B1, building 999, No. 9 East high wave road, Binhu District, Jiangsu, Wuxi Patentee after: Wuxi Chip Hope Micro-Electronics Ltd. Address before: 518057, 4B, 29 south, 6 South Road, science and technology zone, Guangdong, Shenzhen Patentee before: Shenzhen Land Hope Micro-electronics Co., Ltd. |
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