JP2015136290A - 絶縁された電源変換器の出力電圧の変化を検出するための装置および方法 - Google Patents
絶縁された電源変換器の出力電圧の変化を検出するための装置および方法 Download PDFInfo
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- JP2015136290A JP2015136290A JP2015060586A JP2015060586A JP2015136290A JP 2015136290 A JP2015136290 A JP 2015136290A JP 2015060586 A JP2015060586 A JP 2015060586A JP 2015060586 A JP2015060586 A JP 2015060586A JP 2015136290 A JP2015136290 A JP 2015136290A
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- Prior art keywords
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- power converter
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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
- H02M3/33507—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 with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—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 with automatic control of the output voltage or current, e.g. flyback converters 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
102 コントローラ
104 駆動回路
106 出力電圧センサ(OVS)
108 電源スイッチ
116 エネルギー転送素子
208 第1パルスサンプラ回路
210 第1サンプル信号生成器
212 第2パルスサンプラ回路
214 第2サンプル信号生成器
216 比較回路
Claims (1)
- 電源変換器に用いられるコントローラにおいて、
エネルギー転送素子および電源変換器の入力に接続されるべき電源スイッチによって受信されるように接続されたスイッチング信号を生成して、電源変換器の入力から出力へのエネルギーの転送を制御する駆動回路と、
前記駆動回路に接続され、かつ電源変換器の出力を表すフィードバック信号を受信するように接続された出力電圧センサとを備えていて、
前記出力電圧センサは、第1および第2パルスサンプラ回路を有していて、
前記第1パルスサンプラ回路は、フィードバック信号における1回目のフィードバック信号のリンギング電圧の第2ピークを表す第1ピーク電圧を捕捉するように接続されていて、
前記第2パルスサンプラ回路は、フィードバック信号における2回目のフィードバック信号のリンギング電圧の第2ピークを表す第2ピーク電圧を捕捉するように接続されていて、
前記出力電圧センサは、第1および第2ピーク電圧に応じて、駆動回路に変化信号を出力するように接続されていることを特徴とするコントローラ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/770,500 US8077484B2 (en) | 2010-04-29 | 2010-04-29 | Apparatus and method for detecting a change in output voltage of an isolated power converter |
US12/770,500 | 2010-04-29 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011093920A Division JP5722110B2 (ja) | 2010-04-29 | 2011-04-20 | 絶縁された電源変換器の出力電圧の変化を検出するための装置および方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2015136290A true JP2015136290A (ja) | 2015-07-27 |
Family
ID=44343667
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011093920A Expired - Fee Related JP5722110B2 (ja) | 2010-04-29 | 2011-04-20 | 絶縁された電源変換器の出力電圧の変化を検出するための装置および方法 |
JP2015060586A Pending JP2015136290A (ja) | 2010-04-29 | 2015-03-24 | 絶縁された電源変換器の出力電圧の変化を検出するための装置および方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011093920A Expired - Fee Related JP5722110B2 (ja) | 2010-04-29 | 2011-04-20 | 絶縁された電源変換器の出力電圧の変化を検出するための装置および方法 |
Country Status (4)
Country | Link |
---|---|
US (4) | US8077484B2 (ja) |
EP (1) | EP2383876A2 (ja) |
JP (2) | JP5722110B2 (ja) |
CN (2) | CN102237798B (ja) |
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US8077484B2 (en) * | 2010-04-29 | 2011-12-13 | Power Integrations, Inc. | Apparatus and method for detecting a change in output voltage of an isolated power converter |
US8929102B2 (en) * | 2012-06-19 | 2015-01-06 | Power Integrations, Inc. | Sample and hold buffer |
US9401657B2 (en) | 2013-03-13 | 2016-07-26 | Power Integrations, Inc. | Input voltage sensor responsive to load conditions |
US9742288B2 (en) * | 2014-10-21 | 2017-08-22 | Power Integrations, Inc. | Output-side controller with switching request at relaxation ring extremum |
CN104950161B (zh) * | 2015-06-29 | 2018-04-13 | 辉芒微电子(深圳)有限公司 | 一种开关电源的输出电压检测方法和电路及其开关电源 |
WO2017039917A1 (en) * | 2015-09-03 | 2017-03-09 | Aerojet Rocketdyne, Inc. | Short circuit protection for switching power converters |
US9829948B2 (en) | 2015-09-18 | 2017-11-28 | Apple Inc. | Current and input voltage sense circuit for indirectly measuring regulator current |
US10181847B2 (en) * | 2017-02-01 | 2019-01-15 | Texas Instruments Incorporated | Ring amplitude measurement and mitigation |
CN109783282B (zh) * | 2017-11-15 | 2022-06-28 | 纬联电子科技(中山)有限公司 | 计算机装置以及电源异常检测方法 |
EP4246822A3 (en) | 2017-12-05 | 2023-11-22 | Power Integrations Switzerland GmbH | Communications using an inductive coupling |
US10826398B2 (en) | 2018-12-12 | 2020-11-03 | Power Integrations, Inc. | Apparatus and methods for sensing a variable amplitude switching signal from a secondary winding in a power conversion system |
US11002767B2 (en) * | 2019-03-15 | 2021-05-11 | Infineon Technologies Ag | Current sensing for monitoring load current in a buck power converter |
US11283343B2 (en) | 2019-12-12 | 2022-03-22 | Power Integrations, Inc. | Extremum locator with measurement enable circuit |
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2010
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-
2011
- 2011-04-12 EP EP11162115A patent/EP2383876A2/en not_active Withdrawn
- 2011-04-20 JP JP2011093920A patent/JP5722110B2/ja not_active Expired - Fee Related
- 2011-04-27 CN CN201110107493.5A patent/CN102237798B/zh not_active Expired - Fee Related
- 2011-04-27 CN CN201510220975.XA patent/CN104811040A/zh active Pending
- 2011-11-09 US US13/293,042 patent/US8339811B2/en not_active Expired - Fee Related
-
2012
- 2012-11-19 US US13/681,197 patent/US8638572B2/en not_active Expired - Fee Related
-
2014
- 2014-01-16 US US14/156,918 patent/US20140133194A1/en not_active Abandoned
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2015
- 2015-03-24 JP JP2015060586A patent/JP2015136290A/ja active Pending
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JP2008283787A (ja) * | 2007-05-10 | 2008-11-20 | Matsushita Electric Ind Co Ltd | スイッチング電源装置 |
JP2009106029A (ja) * | 2007-10-22 | 2009-05-14 | Rohm Co Ltd | キャパシタ充電回路の制御回路、制御方法およびそれを用いたキャパシタ充電回路、電子機器 |
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Also Published As
Publication number | Publication date |
---|---|
US8077484B2 (en) | 2011-12-13 |
US8638572B2 (en) | 2014-01-28 |
US20140133194A1 (en) | 2014-05-15 |
CN104811040A (zh) | 2015-07-29 |
US20120170327A1 (en) | 2012-07-05 |
CN102237798B (zh) | 2015-05-13 |
US8339811B2 (en) | 2012-12-25 |
US20130077355A1 (en) | 2013-03-28 |
CN102237798A (zh) | 2011-11-09 |
US20110267847A1 (en) | 2011-11-03 |
EP2383876A2 (en) | 2011-11-02 |
JP5722110B2 (ja) | 2015-05-20 |
JP2011234611A (ja) | 2011-11-17 |
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