JP2005110369A - リップルコンバータ - Google Patents
リップルコンバータ Download PDFInfo
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- JP2005110369A JP2005110369A JP2003338069A JP2003338069A JP2005110369A JP 2005110369 A JP2005110369 A JP 2005110369A JP 2003338069 A JP2003338069 A JP 2003338069A JP 2003338069 A JP2003338069 A JP 2003338069A JP 2005110369 A JP2005110369 A JP 2005110369A
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- 239000003990 capacitor Substances 0.000 claims abstract description 71
- 238000009499 grossing Methods 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 3
- 230000004069 differentiation Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 25
- 239000003985 ceramic capacitor Substances 0.000 description 7
- 101150116173 ver-1 gene Proteins 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
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- Dc-Dc Converters (AREA)
Abstract
【解決手段】直流入力電圧をスイッチングするトランジスタQ1と、スイッチングされた直流電圧を平滑化するチョークコイルL1および平滑コンデンサC1と、トランジスタQ1のオフ時にチョークコイルL1に電流を流すフライホイールダイオードD1と、出力電圧のリップルに応じてトランジスタQ1のオン・オフを制御する比較手段2とを備えたリップルコンバータにおいて、出力端子Voutと比較手段2におけるコンパレータ3の非反転入力端子との接続経路に波形変換手段11を設け、出力電圧を波形変換したものを基準電圧と比較してトランジスタQ1にフィードバックする。
【選択図】 図1
Description
トランジスタ技術スペシャル No.28 特集 最新・電源回路設計技術のすべて CQ出版社 1991年7月1日発行
図1に、本発明のリップルコンバータの一実施例の回路図を示す。図1において、図14と同一もしくは同等の部分には同じ記号を付し、その説明を省略する。
(実施例2)
図2に、本発明のリップルコンバータの別の実施例の回路図を示す。図2において、図1と同一の部分には同じ記号を付し、説明を省略する。
(実施例3)
図5に、本発明のリップルコンバータのさらに別の実施例の回路図を示す。図5において、図2と同一の部分には同じ記号を付し、説明を省略する。
(実施例4)
図7に、本発明のリップルコンバータの一実施例の回路図を示す。図7において、図1と同一もしくは同等の部分には同じ記号を付し、その説明を省略する。
(実施例5)
図8に、本発明のリップルコンバータのさらに別の実施例の回路図を示す。図8において、図14と同一の部分には同じ記号を付し、説明を省略する。
(実施例6)
図10に、本発明のリップルコンバータのさらに別の実施例の回路図を示す。図10において、図2と同一の部分には同じ記号を付し、説明を省略する。
(実施例7)
図11に、本発明のリップルコンバータのさらに別の実施例の回路図を示す。図11において、図10と同一の部分には同じ記号を付し、説明を省略する。
(実施例8)
図12に、本発明のリップルコンバータのさらに別の実施例の回路図を示す。図8において、図2と同一の部分には同じ記号を付し、説明を省略する。
2…比較手段
3…コンパレータ
11、16、19、21、31、41、51、61…波形変換手段
22…電圧検出手段
23…電流検出手段
24…信号加工手段
61…配線電極(カレントトランス)
Q1…トランジスタ(スイッチング素子)
D1…フライホイールダイオード
L1…チョークコイル
C1…平滑コンデンサ
Vin…入力端子
Vout…出力端子
R1、R2、R3、R4、R7…抵抗
R5、R6…電流検出抵抗
C2、C3、C4…コンデンサ
CT…カレントトランス
Claims (6)
- 直流入力電圧をスイッチングするスイッチング素子と、スイッチングされた直流電圧を平滑化するチョークコイルおよび平滑コンデンサと、前記スイッチング素子のオフ時に前記チョークコイルに電流を流すフライホイールダイオードと、出力電圧のリップルに応じて前記スイッチング素子のオン・オフをフィードバック制御する制御回路とを備えたリップルコンバータにおいて、
前記制御回路は、出力電圧に比例する信号を波形変換して出力する波形変換手段と、該波形変換手段の出力を基準電圧と比較してその比較結果を出力する比較手段とを備えることを特徴とするリップルコンバータ。 - 前記波形変換手段は、出力電圧に比例する信号の位相を変換した信号を出力する位相変換手段を備えることを特徴とする、請求項1に記載のリップルコンバータ。
- 前記位相変換手段は、入力された信号を微分して出力する微分手段もしくは積分して出力する積分手段を備えることを特徴とする、請求項2に記載のリップルコンバータ。
- 前記位相変換手段は、前記チョークコイルに流れる電流波形を検出して出力する電流検出手段と、出力電圧に比例する信号を前記電流検出手段の出力信号で加工する信号加工手段を備えることを特徴とする、請求項1に記載のリップルコンバータ。
- 前記電流検出手段は、前記チョークコイルに直列に設けられた電流検出抵抗を備えることを特徴とする、請求項4に記載のリップルコンバータ。
- 前記電流検出手段は、前記チョークコイルの抵抗成分を利用することを特徴とする、請求項4に記載のリップルコンバータ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003338069A JP4107209B2 (ja) | 2003-09-29 | 2003-09-29 | リップルコンバータ |
US10/913,354 US7233135B2 (en) | 2003-09-29 | 2004-08-09 | Ripple converter |
GB0417807A GB2406450B (en) | 2003-09-29 | 2004-08-10 | Ripple converter |
CNB2004100798639A CN100349373C (zh) | 2003-09-29 | 2004-09-23 | 纹波变换器 |
US11/693,149 US7417413B2 (en) | 2003-09-29 | 2007-03-29 | Ripple converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003338069A JP4107209B2 (ja) | 2003-09-29 | 2003-09-29 | リップルコンバータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005110369A true JP2005110369A (ja) | 2005-04-21 |
JP4107209B2 JP4107209B2 (ja) | 2008-06-25 |
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Application Number | Title | Priority Date | Filing Date |
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JP2003338069A Expired - Lifetime JP4107209B2 (ja) | 2003-09-29 | 2003-09-29 | リップルコンバータ |
Country Status (4)
Country | Link |
---|---|
US (2) | US7233135B2 (ja) |
JP (1) | JP4107209B2 (ja) |
CN (1) | CN100349373C (ja) |
GB (1) | GB2406450B (ja) |
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JP2007159227A (ja) * | 2005-12-02 | 2007-06-21 | Shindengen Electric Mfg Co Ltd | スイッチング電源回路 |
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JP2008136285A (ja) * | 2006-11-28 | 2008-06-12 | Uniden Corp | 定電圧定電流電源 |
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---|---|---|---|---|
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US7720457B2 (en) * | 2006-10-19 | 2010-05-18 | Motorola, Inc. | Method and apparatus for minimizing noise on a power supply line of a mobile radio |
FR2912848B1 (fr) * | 2007-02-20 | 2010-09-17 | Commissariat Energie Atomique | Limiteur de tension et protection d'un module photovoltaique |
US8018171B1 (en) | 2007-03-12 | 2011-09-13 | Cirrus Logic, Inc. | Multi-function duty cycle modifier |
US7667408B2 (en) | 2007-03-12 | 2010-02-23 | Cirrus Logic, Inc. | Lighting system with lighting dimmer output mapping |
US20080224631A1 (en) * | 2007-03-12 | 2008-09-18 | Melanson John L | Color variations in a dimmable lighting device with stable color temperature light sources |
US7852017B1 (en) | 2007-03-12 | 2010-12-14 | Cirrus Logic, Inc. | Ballast for light emitting diode light sources |
US8076920B1 (en) | 2007-03-12 | 2011-12-13 | Cirrus Logic, Inc. | Switching power converter and control system |
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US7554473B2 (en) | 2007-05-02 | 2009-06-30 | Cirrus Logic, Inc. | Control system using a nonlinear delta-sigma modulator with nonlinear process modeling |
US8102127B2 (en) | 2007-06-24 | 2012-01-24 | Cirrus Logic, Inc. | Hybrid gas discharge lamp-LED lighting system |
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US8022683B2 (en) * | 2008-01-30 | 2011-09-20 | Cirrus Logic, Inc. | Powering a power supply integrated circuit with sense current |
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US7759881B1 (en) | 2008-03-31 | 2010-07-20 | Cirrus Logic, Inc. | LED lighting system with a multiple mode current control dimming strategy |
US8008902B2 (en) * | 2008-06-25 | 2011-08-30 | Cirrus Logic, Inc. | Hysteretic buck converter having dynamic thresholds |
US8212491B2 (en) * | 2008-07-25 | 2012-07-03 | Cirrus Logic, Inc. | Switching power converter control with triac-based leading edge dimmer compatibility |
US8279628B2 (en) | 2008-07-25 | 2012-10-02 | Cirrus Logic, Inc. | Audible noise suppression in a resonant switching power converter |
US8344707B2 (en) * | 2008-07-25 | 2013-01-01 | Cirrus Logic, Inc. | Current sensing in a switching power converter |
US8487546B2 (en) | 2008-08-29 | 2013-07-16 | Cirrus Logic, Inc. | LED lighting system with accurate current control |
US8179110B2 (en) * | 2008-09-30 | 2012-05-15 | Cirrus Logic Inc. | Adjustable constant current source with continuous conduction mode (“CCM”) and discontinuous conduction mode (“DCM”) operation |
US8222872B1 (en) | 2008-09-30 | 2012-07-17 | Cirrus Logic, Inc. | Switching power converter with selectable mode auxiliary power supply |
US8288954B2 (en) | 2008-12-07 | 2012-10-16 | Cirrus Logic, Inc. | Primary-side based control of secondary-side current for a transformer |
US8362707B2 (en) | 2008-12-12 | 2013-01-29 | Cirrus Logic, Inc. | Light emitting diode based lighting system with time division ambient light feedback response |
US8299722B2 (en) * | 2008-12-12 | 2012-10-30 | Cirrus Logic, Inc. | Time division light output sensing and brightness adjustment for different spectra of light emitting diodes |
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US8198874B2 (en) * | 2009-06-30 | 2012-06-12 | Cirrus Logic, Inc. | Switching power converter with current sensing transformer auxiliary power supply |
US8248145B2 (en) * | 2009-06-30 | 2012-08-21 | Cirrus Logic, Inc. | Cascode configured switching using at least one low breakdown voltage internal, integrated circuit switch to control at least one high breakdown voltage external switch |
US8212493B2 (en) | 2009-06-30 | 2012-07-03 | Cirrus Logic, Inc. | Low energy transfer mode for auxiliary power supply operation in a cascaded switching power converter |
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US9155174B2 (en) * | 2009-09-30 | 2015-10-06 | Cirrus Logic, Inc. | Phase control dimming compatible lighting systems |
US9178415B1 (en) | 2009-10-15 | 2015-11-03 | Cirrus Logic, Inc. | Inductor over-current protection using a volt-second value representing an input voltage to a switching power converter |
US8487591B1 (en) | 2009-12-31 | 2013-07-16 | Cirrus Logic, Inc. | Power control system with power drop out immunity and uncompromised startup time |
US8654483B2 (en) * | 2009-11-09 | 2014-02-18 | Cirrus Logic, Inc. | Power system having voltage-based monitoring for over current protection |
US9510401B1 (en) | 2010-08-24 | 2016-11-29 | Cirrus Logic, Inc. | Reduced standby power in an electronic power control system |
TW201229706A (en) * | 2011-01-07 | 2012-07-16 | Hon Hai Prec Ind Co Ltd | Voltage regulator circuit |
WO2012167127A1 (en) | 2011-06-03 | 2012-12-06 | Cirrus Logic, Inc. | Control data determination from primary-side sensing of a secondary-side voltage in a switching power converter |
FR2977677B1 (fr) | 2011-07-04 | 2013-08-23 | Commissariat Energie Atomique | Detection d'arcs electriques dans les installations photovoltaiques |
US8823352B2 (en) * | 2011-07-11 | 2014-09-02 | Linear Technology Corporation | Switching power supply having separate AC and DC current sensing paths |
EP2792037A2 (en) | 2011-12-14 | 2014-10-22 | Cirrus Logic, Inc. | Multi-mode flyback control for a switching power converter with dimmer |
JP2013165537A (ja) | 2012-02-09 | 2013-08-22 | Ricoh Co Ltd | スイッチングレギュレータとその制御方法及び電源装置 |
US9520794B2 (en) | 2012-07-25 | 2016-12-13 | Philips Lighting Holding B.V | Acceleration of output energy provision for a load during start-up of a switching power converter |
CN105247956A (zh) | 2013-03-07 | 2016-01-13 | 皇家飞利浦有限公司 | 使用开关功率变换器的次级侧传导时间参数向负载提供能量 |
US9735671B2 (en) | 2013-05-17 | 2017-08-15 | Cirrus Logic, Inc. | Charge pump-based drive circuitry for bipolar junction transistor (BJT)-based power supply |
WO2014186765A1 (en) | 2013-05-17 | 2014-11-20 | Cirrus Logic, Inc. | Single pin control of bipolar junction transistor (bjt)-based power stage |
JP2015012694A (ja) * | 2013-06-28 | 2015-01-19 | 株式会社東芝 | 電源回路 |
WO2015017317A2 (en) | 2013-07-29 | 2015-02-05 | Cirrus Logic, Inc. | Two terminal drive of bipolar junction transistor (bjt) for switch-mode operation of a light emitting diode (led)-based bulb |
WO2015017315A1 (en) | 2013-07-29 | 2015-02-05 | Cirrus Logic, Inc. | Compensating for a reverse recovery time period of a bipolar junction transistor (bjt) in switch-mode operation of a light-emitting diode (led)-based bulb |
FR3010261B1 (fr) | 2013-08-29 | 2015-10-02 | Commissariat Energie Atomique | Detection d'un arc electrique en parallele sur les bornes principales d'une installation photovoltaique |
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US9748846B2 (en) | 2013-10-28 | 2017-08-29 | Intersil Americas LLC | Power supply with droop control feedback for enhanced phase current sharing |
US9214862B2 (en) | 2014-04-17 | 2015-12-15 | Philips International, B.V. | Systems and methods for valley switching in a switching power converter |
US9325236B1 (en) | 2014-11-12 | 2016-04-26 | Koninklijke Philips N.V. | Controlling power factor in a switching power converter operating in discontinuous conduction mode |
US9525351B2 (en) * | 2014-12-03 | 2016-12-20 | Linear Technology Corporation | Inductor current sensing in a buck converter using multiple filters |
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US9780657B2 (en) * | 2015-07-21 | 2017-10-03 | Qualcomm Incorporated | Circuits and methods for controlling a boost switching regulator based on inductor current |
CN106026989B (zh) * | 2016-06-17 | 2019-03-29 | 沈阳工业大学 | 数字信号控制的连续时间函数信号生成电路 |
US10985657B2 (en) * | 2017-12-18 | 2021-04-20 | Texas Instruments Incorporated | Switch-mode power supply output compensation |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5218520A (en) * | 1991-11-27 | 1993-06-08 | Rozman Gregory I | Vscf system with reduced dc link ripple |
JPH10215569A (ja) * | 1997-01-29 | 1998-08-11 | Murata Mfg Co Ltd | Dc−dcコンバータ |
US5982160A (en) * | 1998-12-24 | 1999-11-09 | Harris Corporation | DC-to-DC converter with inductor current sensing and related methods |
JP2000193687A (ja) * | 1998-12-25 | 2000-07-14 | Toyota Autom Loom Works Ltd | 電流検出回路、およびその電流検出回路を備えたdc/dcコンバ―タ |
US6064187A (en) * | 1999-02-12 | 2000-05-16 | Analog Devices, Inc. | Voltage regulator compensation circuit and method |
JP3479624B2 (ja) * | 2000-01-28 | 2003-12-15 | シャープ株式会社 | スイッチング電源装置 |
DK1128535T3 (da) * | 2000-02-11 | 2004-05-03 | Oxford Magnet Tech | Styresløjfe til effektomformer |
US6369558B2 (en) * | 2000-06-23 | 2002-04-09 | Rohm Co., Ltd. | Switching regulator |
JP3471297B2 (ja) * | 2000-07-21 | 2003-12-02 | シャープ株式会社 | スイッチング電源装置 |
JP4810775B2 (ja) * | 2001-08-03 | 2011-11-09 | 日本テキサス・インスツルメンツ株式会社 | Dc−dcコンバータ |
EP1367703A1 (en) * | 2002-05-31 | 2003-12-03 | STMicroelectronics S.r.l. | Method of regulation of the supply voltage of a load and relative voltage regulator |
JP2004104942A (ja) * | 2002-09-11 | 2004-04-02 | Murata Mfg Co Ltd | Dc−dcコンバータ |
JP4107209B2 (ja) * | 2003-09-29 | 2008-06-25 | 株式会社村田製作所 | リップルコンバータ |
-
2003
- 2003-09-29 JP JP2003338069A patent/JP4107209B2/ja not_active Expired - Lifetime
-
2004
- 2004-08-09 US US10/913,354 patent/US7233135B2/en active Active
- 2004-08-10 GB GB0417807A patent/GB2406450B/en active Active
- 2004-09-23 CN CNB2004100798639A patent/CN100349373C/zh active Active
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2007
- 2007-03-29 US US11/693,149 patent/US7417413B2/en active Active
Cited By (12)
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JP2006352399A (ja) * | 2005-06-15 | 2006-12-28 | Sanyo Electric Co Ltd | 遅延回路 |
US7379284B2 (en) | 2005-06-24 | 2008-05-27 | Sanyo Electric Co., Ltd. | Switching control circuit and self-excited DC-DC converter |
US7755874B2 (en) | 2005-06-24 | 2010-07-13 | Sanyo Electric Co., Ltd. | Switching control circuit and self excited DC-DC converter |
US7940507B2 (en) | 2005-06-24 | 2011-05-10 | Sanyo Electric Co., Ltd. | Switching control circuit and self-excited DC-DC converter |
JP2007159227A (ja) * | 2005-12-02 | 2007-06-21 | Shindengen Electric Mfg Co Ltd | スイッチング電源回路 |
JP2008136285A (ja) * | 2006-11-28 | 2008-06-12 | Uniden Corp | 定電圧定電流電源 |
JP2010158084A (ja) * | 2008-12-26 | 2010-07-15 | Fujitsu Semiconductor Ltd | 電源装置 |
JP2010200450A (ja) * | 2009-02-24 | 2010-09-09 | Fujitsu Semiconductor Ltd | 半導体集積回路および電源装置 |
US8698467B2 (en) | 2009-02-24 | 2014-04-15 | Fujitsu Semiconductor Limited | Multi-mode DC-DC power converters |
JP2013051776A (ja) * | 2011-08-30 | 2013-03-14 | Ricoh Co Ltd | Dc−dcコンバータ回路 |
US8928294B2 (en) | 2012-03-15 | 2015-01-06 | Fuji Electric Co., Ltd. | Step-up switching power supply |
JP5525097B1 (ja) * | 2013-10-15 | 2014-06-18 | 富士通テン株式会社 | 電源回路 |
Also Published As
Publication number | Publication date |
---|---|
GB2406450A (en) | 2005-03-30 |
US20050067363A1 (en) | 2005-03-31 |
CN100349373C (zh) | 2007-11-14 |
US7233135B2 (en) | 2007-06-19 |
GB2406450B (en) | 2005-11-16 |
JP4107209B2 (ja) | 2008-06-25 |
CN1604444A (zh) | 2005-04-06 |
US20070164719A1 (en) | 2007-07-19 |
US7417413B2 (en) | 2008-08-26 |
GB0417807D0 (en) | 2004-09-15 |
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