CN108599582A - 一种开关电源及其反馈电压的采样保持电路 - Google Patents
一种开关电源及其反馈电压的采样保持电路 Download PDFInfo
- Publication number
- CN108599582A CN108599582A CN201810700519.9A CN201810700519A CN108599582A CN 108599582 A CN108599582 A CN 108599582A CN 201810700519 A CN201810700519 A CN 201810700519A CN 108599582 A CN108599582 A CN 108599582A
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- China
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- sampling
- output
- sampled value
- clock signal
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- 238000005070 sampling Methods 0.000 title claims abstract description 234
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 230000005347 demagnetization Effects 0.000 claims description 12
- 230000010355 oscillation Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 21
- 230000005611 electricity Effects 0.000 description 13
- 238000004804 winding Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005096 rolling process 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
- 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
- H02M3/33538—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 of the forward type
- H02M3/33546—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 of the forward type with automatic control of the output voltage or current
- H02M3/33553—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 of the forward type with automatic control of the output voltage or current with galvanic isolation between input and output of both the power stage and the feedback loop
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810700519.9A CN108599582B (zh) | 2018-06-29 | 2018-06-29 | 一种开关电源及其反馈电压的采样保持电路 |
Applications Claiming Priority (1)
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CN201810700519.9A CN108599582B (zh) | 2018-06-29 | 2018-06-29 | 一种开关电源及其反馈电压的采样保持电路 |
Publications (2)
Publication Number | Publication Date |
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CN108599582A true CN108599582A (zh) | 2018-09-28 |
CN108599582B CN108599582B (zh) | 2024-05-03 |
Family
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Family Applications (1)
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CN201810700519.9A Active CN108599582B (zh) | 2018-06-29 | 2018-06-29 | 一种开关电源及其反馈电压的采样保持电路 |
Country Status (1)
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CN (1) | CN108599582B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112865548A (zh) * | 2021-03-29 | 2021-05-28 | 上海新进芯微电子有限公司 | 一种开关电源及其反馈电压采样控制电路 |
Citations (13)
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CN101841250A (zh) * | 2010-04-27 | 2010-09-22 | 上海新进半导体制造有限公司 | 一种开关电源控制电路及原边控制的反激式开关电源 |
CN103219884A (zh) * | 2012-01-19 | 2013-07-24 | 美芯晟科技(北京)有限公司 | 一种原边反馈恒流控制电路及其控制方法 |
CN103715898A (zh) * | 2014-01-24 | 2014-04-09 | 矽力杰半导体技术(杭州)有限公司 | 反馈电压采样电路、反馈电压消隐电路及方法 |
CN104300793A (zh) * | 2014-07-17 | 2015-01-21 | 矽力杰半导体技术(杭州)有限公司 | 一种改善负载动态响应的控制方法、控制电路以及开关电源 |
CN104422808A (zh) * | 2013-08-30 | 2015-03-18 | 比亚迪股份有限公司 | 一种采样电路、开关电源控制电路、开关电源及采样方法 |
CN105099203A (zh) * | 2015-07-24 | 2015-11-25 | 矽力杰半导体技术(杭州)有限公司 | 一种电压采样控制电路、电压采样控制方法及隔离式变换器 |
CN105576986A (zh) * | 2016-02-01 | 2016-05-11 | 晶澳(扬州)太阳能光伏工程有限公司 | 能够实现输出电流整形的准谐振反激变换器及并网逆变器 |
US20160308447A1 (en) * | 2015-04-16 | 2016-10-20 | Silergy Semiconductor Technology (Hangzhou) Ltd. | Control circuit, control method and flyback converter of primary-side feedback control thereof |
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US20170214326A1 (en) * | 2016-01-22 | 2017-07-27 | Silergy Semiconductor Technology (Hangzhou) Ltd | Control circuit having adaptive blanking time and method for providing the same |
CN208571929U (zh) * | 2018-06-29 | 2019-03-01 | 上海新进半导体制造有限公司 | 一种开关电源及其反馈电压的采样保持电路 |
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2018
- 2018-06-29 CN CN201810700519.9A patent/CN108599582B/zh active Active
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CN101282085A (zh) * | 2008-05-20 | 2008-10-08 | 深圳市万顺微电子技术有限公司 | 开关电源初级端采样输出电压的方法 |
CN101841250A (zh) * | 2010-04-27 | 2010-09-22 | 上海新进半导体制造有限公司 | 一种开关电源控制电路及原边控制的反激式开关电源 |
US20110261596A1 (en) * | 2010-04-27 | 2011-10-27 | Bcd Semiconductor Manufacturing Limited | Control circuit for primary side control of switching power supply |
CN103219884A (zh) * | 2012-01-19 | 2013-07-24 | 美芯晟科技(北京)有限公司 | 一种原边反馈恒流控制电路及其控制方法 |
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CN103715898A (zh) * | 2014-01-24 | 2014-04-09 | 矽力杰半导体技术(杭州)有限公司 | 反馈电压采样电路、反馈电压消隐电路及方法 |
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US20160308447A1 (en) * | 2015-04-16 | 2016-10-20 | Silergy Semiconductor Technology (Hangzhou) Ltd. | Control circuit, control method and flyback converter of primary-side feedback control thereof |
CN105099203A (zh) * | 2015-07-24 | 2015-11-25 | 矽力杰半导体技术(杭州)有限公司 | 一种电压采样控制电路、电压采样控制方法及隔离式变换器 |
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US20170214326A1 (en) * | 2016-01-22 | 2017-07-27 | Silergy Semiconductor Technology (Hangzhou) Ltd | Control circuit having adaptive blanking time and method for providing the same |
CN105576986A (zh) * | 2016-02-01 | 2016-05-11 | 晶澳(扬州)太阳能光伏工程有限公司 | 能够实现输出电流整形的准谐振反激变换器及并网逆变器 |
CN106533214A (zh) * | 2016-12-21 | 2017-03-22 | 无锡硅动力微电子股份有限公司 | 开关电源变换器的控制电路及控制方法 |
CN106849667A (zh) * | 2017-02-07 | 2017-06-13 | 湖南汇德电子有限公司 | 一种原边反馈恒压恒流控制器采样电路 |
CN208571929U (zh) * | 2018-06-29 | 2019-03-01 | 上海新进半导体制造有限公司 | 一种开关电源及其反馈电压的采样保持电路 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112865548A (zh) * | 2021-03-29 | 2021-05-28 | 上海新进芯微电子有限公司 | 一种开关电源及其反馈电压采样控制电路 |
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Effective date of registration: 20210201 Address after: No. 1600, Zixing Road, Minhang District, Shanghai 200241 Applicant after: BCD (SHANGHAI) MICRO-ELECTRONICS Ltd. Address before: No. 1600, Zixing Road, Minhang District, Shanghai 200241 Applicant before: BCD Semiconductor Manufacturing Limited Applicant before: BCD (SHANGHAI) MICRO-ELECTRONICS Ltd. |
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Application publication date: 20180928 Assignee: DIODES SHANGHAI CO.,LTD. Assignor: BCD (SHANGHAI) MICRO-ELECTRONICS Ltd. Contract record no.: X2024980016438 Denomination of invention: A sampling and holding circuit for a switching power supply and its feedback voltage Granted publication date: 20240503 License type: Common License Record date: 20240927 |