CN108599582B - 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
- CN108599582B CN108599582B CN201810700519.9A CN201810700519A CN108599582B CN 108599582 B CN108599582 B CN 108599582B CN 201810700519 A CN201810700519 A CN 201810700519A CN 108599582 B CN108599582 B CN 108599582B
- Authority
- CN
- China
- Prior art keywords
- sampling
- sample
- hold
- output
- feedback voltage
- 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.)
- Active
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 301
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 22
- 230000005347 demagnetization Effects 0.000 claims description 10
- 230000010355 oscillation Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 25
- 238000004804 winding Methods 0.000 description 12
- 230000000875 corresponding effect Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- 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 (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
---|---|
CN108599582A CN108599582A (zh) | 2018-09-28 |
CN108599582B true CN108599582B (zh) | 2024-05-03 |
Family
ID=63635076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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)
Country | Link |
---|---|
CN (1) | CN108599582B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112865548B (zh) * | 2021-03-29 | 2024-06-14 | 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 (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
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 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9960691B2 (en) * | 2015-04-16 | 2018-05-01 | Silergy Semiconductor Technology (Hangzhou) Ltd. | Control circuit, control method and flyback converter of primary-side feedback control thereof |
CN105471270A (zh) * | 2016-01-22 | 2016-04-06 | 矽力杰半导体技术(杭州)有限公司 | 一种具有自适应消隐时间的控制电路及控制方法 |
-
2018
- 2018-06-29 CN CN201810700519.9A patent/CN108599582B/zh active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
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 |
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 |
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 |
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 |
Also Published As
Publication number | Publication date |
---|---|
CN108599582A (zh) | 2018-09-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101958650B (zh) | 准谐振控制装置和方法及其开关稳压器和方法 | |
US9929655B2 (en) | Systems and methods for flyback power converters with switching frequency and peak current adjustments | |
CN106033929B (zh) | 一种功率转换器及其控制方法 | |
CN101867299B (zh) | 一种用于开关电源反馈电压检测和采样保持的电路及方法 | |
CN101027829B (zh) | 电流式受控dc-dc转换器 | |
CN107086793B (zh) | 一种用于同步整流功率变换器的动态补偿控制电路 | |
US9647562B2 (en) | Power conversion with switch turn-off delay time compensation | |
CN111953185B (zh) | 一种有源钳位反激拓扑自适应死区时间的zvs控制方法 | |
US7701735B2 (en) | Converter and driving method thereof | |
CN111953186B (zh) | 一种开关电源控制电路 | |
CN101582638A (zh) | 开关电源装置 | |
US20050078493A1 (en) | Switching power supply device and method | |
US9705410B2 (en) | Power conversion apparatus | |
US10097099B2 (en) | Power converter and control method therefor | |
US6084784A (en) | Switched mode power supply with reduced reflected power | |
JP2017147850A (ja) | 電力変換装置 | |
CN104092384A (zh) | 一种基于原边反馈的反激变换器的输出电压采样方法及其系统 | |
CN112865548A (zh) | 一种开关电源及其反馈电压采样控制电路 | |
CN108599582B (zh) | 一种开关电源及其反馈电压的采样保持电路 | |
US20160285359A1 (en) | Power factor correction circuit and driving method thereof | |
CN214707538U (zh) | 一种开关电源及其反馈电压采样控制电路 | |
JP6663342B2 (ja) | 制御装置 | |
CN108365757B (zh) | 一种恒流装置 | |
CN202167985U (zh) | 准谐振控制装置及包含该装置的开关稳压器 | |
JP6111970B2 (ja) | 電力変換装置の制御方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
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. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
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 |