JP4104609B2 - スイッチモード電源ユニットの電流および電圧を制御する方法 - Google Patents
スイッチモード電源ユニットの電流および電圧を制御する方法 Download PDFInfo
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- JP4104609B2 JP4104609B2 JP2005108464A JP2005108464A JP4104609B2 JP 4104609 B2 JP4104609 B2 JP 4104609B2 JP 2005108464 A JP2005108464 A JP 2005108464A JP 2005108464 A JP2005108464 A JP 2005108464A JP 4104609 B2 JP4104609 B2 JP 4104609B2
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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
-
- 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
- H02M1/0006—Arrangements for supplying an adequate voltage to the control circuit of converters
-
- 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)
Description
Claims (5)
- 一次側スイッチと補助巻線を有する変圧器とを有する一次制御スイッチモード電源ユニットの二次側出力電流を、コンデンサの充電開始後の充電時の電圧に基づいて決定される前記一次側スイッチのスイッチング周波数により制御する制御方法であって、
前記補助巻線により補助電圧を誘導し、
前記補助電圧のイメージを構成する電流を生成し、
前記コンデンサを、前記一次側スイッチがオンされるタイミングを基準として定められたタイミングに開始される前記コンデンサの充電が前記補助電圧に応じた速さとなるよう前記電流で充電することにより、前記スイッチング周波数を調節し、
前記コンデンサに両端にかかる電圧が、第一の所定の閾値に達した場合、前記一次側スイッチをオンし、
前記コンデンサの両端にかかる電圧が、前記第一の閾値より高い第二の閾値に達した場合、前記一次側スイッチをオフする制御方法。 - 前記コンデンサの両端にかかる電圧が前記第一の閾値に達した場合、生成される前記電流を減少させることを特徴とする請求項1に記載の方法。
- 一次側スイッチと補助電圧を誘導する補助巻線を有する変圧器とを有する一次制御スイッチモード電源ユニットの二次側出力電流を制御する制御装置であって、
前記一次側スイッチのスイッチング周波数を充電開始後の充電時の電圧に基づいて決定するコンデンサと、
前記補助電圧のイメージを構成する電流を生成して、前記コンデンサを、前記一次側スイッチがオンされるタイミングを基準として定められたタイミングに開始される前記コンデンサの充電が前記補助電圧に応じた速さとなるよう前記電流で充電することにより、前記スイッチング周波数を調節する電流源と、
前記コンデンサの両端にかかる電圧を第一の閾値と比較する制御コンパレータと、
前記コンデンサの両端にかかる電圧を前記第一の閾値より高い第二の閾値と比較する過電圧保護回路とを有し、
前記制御コンパレータは、前記コンデンサの両端にかかる電圧が、前記第一の閾値に達した場合、前記一次側スイッチをオンするスイッチオン信号を発生させるよう設計され、
前記過電圧保護回路は、前記コンデンサの両端にかかる電圧が、前記第二の閾値に達した場合、前記一次側スイッチをオフするスイッチオフ信号を発生させるよう設定されている制御装置。 - 前記電流源が、前記コンデンサの両端にかかる電圧が前記第一の閾値に達したとき生成する前記電流を減少するよう設計されていることを特徴とする請求項3に記載の制御装置。
- 請求項3または請求項4に記載の制御装置を備えたスイッチモード電源ユニット。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004016927A DE102004016927A1 (de) | 2004-04-06 | 2004-04-06 | Verfahren zur Strom- und Spannungsregelung für ein Schaltnetzteil |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005304293A JP2005304293A (ja) | 2005-10-27 |
JP4104609B2 true JP4104609B2 (ja) | 2008-06-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005108464A Active JP4104609B2 (ja) | 2004-04-06 | 2005-04-05 | スイッチモード電源ユニットの電流および電圧を制御する方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7295450B2 (ja) |
JP (1) | JP4104609B2 (ja) |
DE (1) | DE102004016927A1 (ja) |
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US20060098165A1 (en) * | 2004-10-19 | 2006-05-11 | Manuel Lynch | Method and apparatus for disrupting digital photography |
DE102005022859B3 (de) * | 2005-03-11 | 2006-08-10 | Friwo Mobile Power Gmbh | Ansteuerschaltung für den Schalter in einem Schaltnetzteil |
US7918591B2 (en) | 2005-05-13 | 2011-04-05 | Permlight Products, Inc. | LED-based luminaire |
JP4373995B2 (ja) * | 2005-06-24 | 2009-11-25 | フリボ モバイル パワー ゲーエムベーハー | スイッチモード電源における電流および電圧を制御するための制御回路 |
GB2438465B (en) * | 2006-05-23 | 2008-05-21 | Cambridge Semiconductor Ltd | Switch mode power supply controllers |
WO2007135453A2 (en) * | 2006-05-23 | 2007-11-29 | Cambridge Semiconductor Limited | Switch mode power supply controllers |
US8446746B2 (en) * | 2006-05-23 | 2013-05-21 | Cambridge Semiconductor Limited | Switch mode power supply controller with feedback signal decay sensing |
US7248487B1 (en) | 2006-06-01 | 2007-07-24 | Cambridge Semiconductor Limited | Switch mode power supply controllers |
WO2007135452A1 (en) * | 2006-05-23 | 2007-11-29 | Cambridge Semiconductor Limited | Switch mode power supply controllers |
GB2438464A (en) * | 2006-05-23 | 2007-11-28 | Cambridge Semiconductor Ltd | Regulating the output of a switch mode power supply |
GB2438463A (en) | 2006-05-23 | 2007-11-28 | Cambridge Semiconductor Ltd | Regulating the output of a switch mode power supply |
GB2439998A (en) * | 2006-07-07 | 2008-01-16 | Cambridge Semiconductor Ltd | Estimating the output current of a switch mode power supply |
GB2439997A (en) * | 2006-07-07 | 2008-01-16 | Cambridge Semiconductor Ltd | Estimating the output current of a switch mode power supply |
DE102006047065B4 (de) | 2006-10-05 | 2018-07-26 | Stephan Hoffmann | Schaltung und Verfahren zur Spannungsteilung |
KR101345363B1 (ko) * | 2007-01-26 | 2013-12-24 | 페어차일드코리아반도체 주식회사 | 컨버터 및 그 구동 방법 |
KR101318424B1 (ko) * | 2007-05-09 | 2013-10-15 | 페어차일드코리아반도체 주식회사 | 스위칭 모드 파워 서플라이 및 그 구동 방법 |
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US8942012B2 (en) | 2012-01-31 | 2015-01-27 | Semiconductor Components Industries, Llc | Method of forming a switched mode power supply controller device with an off mode and structure therefor |
CN103944374A (zh) | 2014-04-25 | 2014-07-23 | 矽力杰半导体技术(杭州)有限公司 | 原边反馈的pfc恒压驱动控制电路及控制方法 |
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2004
- 2004-04-06 DE DE102004016927A patent/DE102004016927A1/de not_active Ceased
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2005
- 2005-04-05 JP JP2005108464A patent/JP4104609B2/ja active Active
- 2005-04-05 US US11/099,228 patent/US7295450B2/en active Active
Also Published As
Publication number | Publication date |
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DE102004016927A1 (de) | 2005-11-03 |
US7295450B2 (en) | 2007-11-13 |
JP2005304293A (ja) | 2005-10-27 |
US20050276083A1 (en) | 2005-12-15 |
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