CN102570990B - 一种放大器输出级过流保护电路 - Google Patents
一种放大器输出级过流保护电路 Download PDFInfo
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- CN102570990B CN102570990B CN201010611497.2A CN201010611497A CN102570990B CN 102570990 B CN102570990 B CN 102570990B CN 201010611497 A CN201010611497 A CN 201010611497A CN 102570990 B CN102570990 B CN 102570990B
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- semiconductor
- oxide
- switch element
- metal
- protection circuit
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- 239000004065 semiconductor Substances 0.000 claims abstract description 46
- 238000005070 sampling Methods 0.000 claims abstract description 24
- 230000003071 parasitic effect Effects 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Abstract
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Priority Applications (1)
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CN201010611497.2A CN102570990B (zh) | 2010-12-29 | 2010-12-29 | 一种放大器输出级过流保护电路 |
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CN201010611497.2A CN102570990B (zh) | 2010-12-29 | 2010-12-29 | 一种放大器输出级过流保护电路 |
Publications (2)
Publication Number | Publication Date |
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CN102570990A CN102570990A (zh) | 2012-07-11 |
CN102570990B true CN102570990B (zh) | 2014-09-17 |
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CN201010611497.2A Active CN102570990B (zh) | 2010-12-29 | 2010-12-29 | 一种放大器输出级过流保护电路 |
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CN (1) | CN102570990B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103595352B (zh) * | 2012-08-13 | 2016-06-08 | 无锡华润矽科微电子有限公司 | 应用于音频放大器输入级的低失真电平位移缓冲电路结构 |
CN103973236B (zh) * | 2013-01-28 | 2018-03-30 | 北京大学 | 输入保护电路 |
DE102017201893A1 (de) * | 2017-01-12 | 2018-07-12 | Continental Teves Ag & Co. Ohg | Elektronische Schaltung zur Absicherung einer Energieversorgung einer Empfangseinrichtung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201122941Y (zh) * | 2007-11-19 | 2008-09-24 | 谢步明 | 具有过流保护功能的开关量输出电路 |
CN101719757A (zh) * | 2009-11-20 | 2010-06-02 | 北京中星微电子有限公司 | 一种功率放大器的过流保护电路及实现方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0744398B2 (ja) * | 1986-03-27 | 1995-05-15 | 松下電器産業株式会社 | プツシユプル増幅器 |
JPH06237125A (ja) * | 1993-02-09 | 1994-08-23 | Clarion Co Ltd | 過電流保護回路 |
JP3603314B2 (ja) * | 1993-07-30 | 2004-12-22 | ソニー株式会社 | 情報処理装置及び方法 |
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2010
- 2010-12-29 CN CN201010611497.2A patent/CN102570990B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201122941Y (zh) * | 2007-11-19 | 2008-09-24 | 谢步明 | 具有过流保护功能的开关量输出电路 |
CN101719757A (zh) * | 2009-11-20 | 2010-06-02 | 北京中星微电子有限公司 | 一种功率放大器的过流保护电路及实现方法 |
Non-Patent Citations (2)
Title |
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JP特开平6-237125A 1994.08.23 |
JP特开平7-44398A 1995.05.15 |
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CN102570990A (zh) | 2012-07-11 |
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Denomination of invention: Overcurrent protection circuit of amplifier output stage Effective date of registration: 20171102 Granted publication date: 20140917 Pledgee: China Co truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: Anyka (Guangzhou) Microelectronics Technology Co., Ltd. Registration number: 2017990001008 |
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Date of cancellation: 20181227 Granted publication date: 20140917 Pledgee: China Co truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: Anyka (Guangzhou) Microelectronics Technology Co., Ltd. Registration number: 2017990001008 |
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Denomination of invention: Overcurrent protection circuit of amplifier output stage Effective date of registration: 20190130 Granted publication date: 20140917 Pledgee: China Co truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: Anyka (Guangzhou) Microelectronics Technology Co., Ltd. Registration number: 2019440000051 |
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Date of cancellation: 20200320 Granted publication date: 20140917 Pledgee: China Co truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: ANYKA (GUANGZHOU) MICROELECTRONICS TECHNOLOGY Co.,Ltd. Registration number: 2019440000051 |
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Address after: 3 / F, C1 area, innovation building, 182 science Avenue, Science City, Guangzhou, Guangdong 510663 Patentee after: Guangzhou Ankai Microelectronics Co.,Ltd. Address before: 3 / F, C1 area, innovation building, 182 science Avenue, Science City, Guangzhou, Guangdong 510663 Patentee before: ANYKA (GUANGZHOU) MICROELECTRONICS TECHNOLOGY Co.,Ltd. |
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Address after: 510555 No. 107 Bowen Road, Huangpu District, Guangzhou, Guangdong Patentee after: Guangzhou Ankai Microelectronics Co.,Ltd. Address before: 3 / F, C1 area, innovation building, 182 science Avenue, Science City, Guangzhou, Guangdong 510663 Patentee before: Guangzhou Ankai Microelectronics Co.,Ltd. |