JP2015080303A - Dc/dcコンバータ - Google Patents
Dc/dcコンバータ Download PDFInfo
- Publication number
- JP2015080303A JP2015080303A JP2013214968A JP2013214968A JP2015080303A JP 2015080303 A JP2015080303 A JP 2015080303A JP 2013214968 A JP2013214968 A JP 2013214968A JP 2013214968 A JP2013214968 A JP 2013214968A JP 2015080303 A JP2015080303 A JP 2015080303A
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- switch
- switching
- load current
- converter
- 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.)
- Granted
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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
- H02M3/33569—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 having several active switching elements
- H02M3/33573—Full-bridge at primary side of an isolation transformer
-
- 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
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
-
- 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
10 トランス
11、12、13、14 スイッチ
25、30 PWM制御ドライブ回路
31 負荷電流検出回路
32、42、52、62 スイッチング周波数切替回路
250 発振子
251 発振用抵抗
252 発振用容量
320 負荷電流検出部
321、421 スイッチ駆動部
322、422 スイッチ
621 可変抵抗駆動部
622 可変抵抗
Claims (4)
- 一次側に印加される直流電圧を変圧して二次側に出力するトランスと、
前記トランスの一次側に印加される電圧を周期的に切り替えるスイッチと、
前記トランスの二次側に流れる負荷電流を検出する負荷電流検出回路と、
前記負荷電流検出回路が検出した負荷電流の大きさが所定のしきい値より小さくなったときに、前記スイッチを切り替える周波数を第1周波数から前記第1周波数よりも小さい第2周波数に切り替え、前記負荷電流検出回路が検出した負荷電流の大きさが所定のしきい値より大きくなったときに、前記スイッチを切り替える周波数を前記第2周波数から前記第1周波数に切り替えるスイッチング周波数切替回路と、
を有することを特徴とするDC/DCコンバータ。 - 前記スイッチング周波数切替回路は、前記スイッチを切り替える周波数を第1周波数から前記第1周波数よりも小さい第2周波数に切り替えるときに、周波数を徐々に減少させる、請求項1に記載のDC/DCコンバータ。
- 前記スイッチを切り替える周波数を第1周波数から前記第2周波数に切り替えるときの遷移時間は、前記スイッチを切り替える周波数を第2周波数から前記第1周波数に切り替えるときの遷移時間よりも長い、請求項2に記載のDC/DCコンバータ。
- 前記スイッチは、複数のMOSトランジスタを有する、請求項1〜3の何れか一項に記載のDC/DCコンバータ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013214968A JP6171825B2 (ja) | 2013-10-15 | 2013-10-15 | Dc/dcコンバータ |
US14/510,524 US20150103565A1 (en) | 2013-10-15 | 2014-10-09 | Dc-to-dc converter |
TW103135187A TW201526507A (zh) | 2013-10-15 | 2014-10-09 | 直流對直流轉換器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013214968A JP6171825B2 (ja) | 2013-10-15 | 2013-10-15 | Dc/dcコンバータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015080303A true JP2015080303A (ja) | 2015-04-23 |
JP6171825B2 JP6171825B2 (ja) | 2017-08-02 |
Family
ID=52809513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013214968A Active JP6171825B2 (ja) | 2013-10-15 | 2013-10-15 | Dc/dcコンバータ |
Country Status (3)
Country | Link |
---|---|
US (1) | US20150103565A1 (ja) |
JP (1) | JP6171825B2 (ja) |
TW (1) | TW201526507A (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9590615B1 (en) * | 2015-09-18 | 2017-03-07 | Sanken Electric Co., Ltd. | Integrated circuit and switching power-supply device performing output control through switching operation |
US10554138B2 (en) | 2016-10-25 | 2020-02-04 | Infineon Technologies Austria Ag | Flux limited fast transient response in isolated DC-DC converters |
US10439500B2 (en) | 2017-02-01 | 2019-10-08 | Infineon Technologies Austria Ag | Control of isolated power converters during transient load conditions |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06197550A (ja) * | 1992-12-25 | 1994-07-15 | Toyo Electric Mfg Co Ltd | スイッチング周波数制御方法 |
JPH0759346A (ja) * | 1993-06-07 | 1995-03-03 | Nec Corp | スイッチング電源回路 |
JPH0851774A (ja) * | 1994-08-08 | 1996-02-20 | Nec Corp | スイッチング電源回路 |
JPH09117134A (ja) * | 1995-10-17 | 1997-05-02 | Murata Mfg Co Ltd | スイッチング電源 |
JP2004304885A (ja) * | 2003-03-28 | 2004-10-28 | Sony Corp | スイッチング電源装置 |
JP2007068349A (ja) * | 2005-08-31 | 2007-03-15 | Tdk Corp | スイッチング電源装置 |
JP2007295744A (ja) * | 2006-04-26 | 2007-11-08 | Nissan Motor Co Ltd | 電力変換装置の制御装置および制御方法 |
JP2008170017A (ja) * | 2007-01-09 | 2008-07-24 | Daikin Ind Ltd | インバータ圧縮機の運転方法及び圧縮機駆動装置 |
JP2009224244A (ja) * | 2008-03-18 | 2009-10-01 | Mitsubishi Electric Corp | 放電灯点灯装置、照明装置 |
US7928712B1 (en) * | 2007-06-01 | 2011-04-19 | Rf Micro Devices, Inc. | Low noise fast dithering switching power supply |
JP2011083130A (ja) * | 2009-10-07 | 2011-04-21 | Shindengen Electric Mfg Co Ltd | スイッチング電源 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7898218B2 (en) * | 2006-09-12 | 2011-03-01 | 02Micro International Limited | Power supply topologies with PWM frequency control |
KR101167807B1 (ko) * | 2010-12-24 | 2012-07-25 | 삼성전기주식회사 | 공진 컨버터 |
-
2013
- 2013-10-15 JP JP2013214968A patent/JP6171825B2/ja active Active
-
2014
- 2014-10-09 TW TW103135187A patent/TW201526507A/zh unknown
- 2014-10-09 US US14/510,524 patent/US20150103565A1/en not_active Abandoned
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06197550A (ja) * | 1992-12-25 | 1994-07-15 | Toyo Electric Mfg Co Ltd | スイッチング周波数制御方法 |
JPH0759346A (ja) * | 1993-06-07 | 1995-03-03 | Nec Corp | スイッチング電源回路 |
JPH0851774A (ja) * | 1994-08-08 | 1996-02-20 | Nec Corp | スイッチング電源回路 |
JPH09117134A (ja) * | 1995-10-17 | 1997-05-02 | Murata Mfg Co Ltd | スイッチング電源 |
JP2004304885A (ja) * | 2003-03-28 | 2004-10-28 | Sony Corp | スイッチング電源装置 |
JP2007068349A (ja) * | 2005-08-31 | 2007-03-15 | Tdk Corp | スイッチング電源装置 |
JP2007295744A (ja) * | 2006-04-26 | 2007-11-08 | Nissan Motor Co Ltd | 電力変換装置の制御装置および制御方法 |
JP2008170017A (ja) * | 2007-01-09 | 2008-07-24 | Daikin Ind Ltd | インバータ圧縮機の運転方法及び圧縮機駆動装置 |
US7928712B1 (en) * | 2007-06-01 | 2011-04-19 | Rf Micro Devices, Inc. | Low noise fast dithering switching power supply |
JP2009224244A (ja) * | 2008-03-18 | 2009-10-01 | Mitsubishi Electric Corp | 放電灯点灯装置、照明装置 |
JP2011083130A (ja) * | 2009-10-07 | 2011-04-21 | Shindengen Electric Mfg Co Ltd | スイッチング電源 |
Also Published As
Publication number | Publication date |
---|---|
TW201526507A (zh) | 2015-07-01 |
JP6171825B2 (ja) | 2017-08-02 |
US20150103565A1 (en) | 2015-04-16 |
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