CN107528458B - 开关电源中有源钳位电路 - Google Patents
开关电源中有源钳位电路 Download PDFInfo
- Publication number
- CN107528458B CN107528458B CN201710486705.2A CN201710486705A CN107528458B CN 107528458 B CN107528458 B CN 107528458B CN 201710486705 A CN201710486705 A CN 201710486705A CN 107528458 B CN107528458 B CN 107528458B
- Authority
- CN
- China
- Prior art keywords
- resistor
- chip
- voltage
- capacitor
- input
- 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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- 239000003990 capacitor Substances 0.000 claims abstract description 43
- 238000005070 sampling Methods 0.000 claims abstract description 36
- 238000002955 isolation Methods 0.000 claims abstract description 22
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 abstract description 7
- 230000003071 parasitic effect Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710486705.2A CN107528458B (zh) | 2017-06-23 | 2017-06-23 | 开关电源中有源钳位电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710486705.2A CN107528458B (zh) | 2017-06-23 | 2017-06-23 | 开关电源中有源钳位电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107528458A CN107528458A (zh) | 2017-12-29 |
CN107528458B true CN107528458B (zh) | 2019-12-10 |
Family
ID=60748767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710486705.2A Active CN107528458B (zh) | 2017-06-23 | 2017-06-23 | 开关电源中有源钳位电路 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107528458B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110266181B (zh) * | 2018-03-12 | 2022-03-25 | 中兴通讯股份有限公司 | 一种钳位电路及钳位方法 |
CN109861217B (zh) * | 2019-03-13 | 2022-08-19 | 上海源微电子科技有限公司 | 一种新型芯片供电电路 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1256550A (zh) * | 1999-12-30 | 2000-06-14 | 深圳市华为电气股份有限公司 | Dc/dc变换器的自驱动电路 |
CN1564445A (zh) * | 2004-03-24 | 2005-01-12 | 伊博电源(杭州)有限公司 | 一种反激变换器同步整流管的自驱动电路 |
CN1585249A (zh) * | 2004-06-11 | 2005-02-23 | 伊博电源(杭州)有限公司 | 反激变换器同步整流管的自驱动电路 |
CN102208873A (zh) * | 2010-06-11 | 2011-10-05 | 崇贸科技股份有限公司 | 准谐振返驰式功率转换器的主动箝位电路 |
CN103631293A (zh) * | 2012-08-27 | 2014-03-12 | 上海占空比电子科技有限公司 | 一种带功率因数校正的恒流控制电路及方法 |
CN103715897A (zh) * | 2014-01-20 | 2014-04-09 | 矽力杰半导体技术(杭州)有限公司 | 隔离式变换器及应用其的开关电源 |
CN103887984A (zh) * | 2014-03-28 | 2014-06-25 | 矽力杰半导体技术(杭州)有限公司 | 隔离式变换器及应用其的开关电源 |
CN206023605U (zh) * | 2016-08-08 | 2017-03-15 | 杭州士兰微电子股份有限公司 | 原边控制的开关电源 |
-
2017
- 2017-06-23 CN CN201710486705.2A patent/CN107528458B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1256550A (zh) * | 1999-12-30 | 2000-06-14 | 深圳市华为电气股份有限公司 | Dc/dc变换器的自驱动电路 |
CN1564445A (zh) * | 2004-03-24 | 2005-01-12 | 伊博电源(杭州)有限公司 | 一种反激变换器同步整流管的自驱动电路 |
CN1585249A (zh) * | 2004-06-11 | 2005-02-23 | 伊博电源(杭州)有限公司 | 反激变换器同步整流管的自驱动电路 |
CN102208873A (zh) * | 2010-06-11 | 2011-10-05 | 崇贸科技股份有限公司 | 准谐振返驰式功率转换器的主动箝位电路 |
CN103631293A (zh) * | 2012-08-27 | 2014-03-12 | 上海占空比电子科技有限公司 | 一种带功率因数校正的恒流控制电路及方法 |
CN103715897A (zh) * | 2014-01-20 | 2014-04-09 | 矽力杰半导体技术(杭州)有限公司 | 隔离式变换器及应用其的开关电源 |
CN103887984A (zh) * | 2014-03-28 | 2014-06-25 | 矽力杰半导体技术(杭州)有限公司 | 隔离式变换器及应用其的开关电源 |
CN206023605U (zh) * | 2016-08-08 | 2017-03-15 | 杭州士兰微电子股份有限公司 | 原边控制的开关电源 |
Also Published As
Publication number | Publication date |
---|---|
CN107528458A (zh) | 2017-12-29 |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220819 Address after: Room 403, Jinqian block, No. 10, Hongyi Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Jiangsu Yuanwei Semiconductor Technology Co.,Ltd. Address before: 200120 C, 888, west two road, Nanhui new town, Pudong New Area, Shanghai Patentee before: POWER MICRO-ELECTRONICS CO.,LTD. |
|
TR01 | Transfer of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Active clamping circuit in switching power supply Effective date of registration: 20230329 Granted publication date: 20191210 Pledgee: Bank of Suzhou Limited by Share Ltd. Wuxi branch Pledgor: Jiangsu Yuanwei Semiconductor Technology Co.,Ltd. Registration number: Y2023980036837 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20191210 Pledgee: Bank of Suzhou Limited by Share Ltd. Wuxi branch Pledgor: Jiangsu Yuanwei Semiconductor Technology Co.,Ltd. Registration number: Y2023980036837 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Active clamping circuit in switch mode power supply Granted publication date: 20191210 Pledgee: Bank of Suzhou Limited by Share Ltd. Wuxi branch Pledgor: Jiangsu Yuanwei Semiconductor Technology Co.,Ltd. Registration number: Y2024980011030 |