JP6608866B2 - Dc−dcコンバータ - Google Patents
Dc−dcコンバータ Download PDFInfo
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- JP6608866B2 JP6608866B2 JP2017055127A JP2017055127A JP6608866B2 JP 6608866 B2 JP6608866 B2 JP 6608866B2 JP 2017055127 A JP2017055127 A JP 2017055127A JP 2017055127 A JP2017055127 A JP 2017055127A JP 6608866 B2 JP6608866 B2 JP 6608866B2
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- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 35
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- 230000000052 comparative effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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Classifications
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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
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping 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
- 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
-
- 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
- H02M3/158—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 including plural semiconductor devices as final control devices for a single load
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
-
- 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
- H02M1/0012—Control circuits using digital or numerical techniques
-
- 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
- H02M1/0016—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters
- H02M1/0022—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters the disturbance parameters being input voltage fluctuations
-
- 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
- H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of a converter
-
- 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
- H02M1/0045—Converters combining the concepts of switch-mode regulation and linear regulation, e.g. linear pre-regulator to switching converter, linear and switching converter in parallel, same converter or same transistor operating either in linear or switching mode
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Description
なお、図面は模式的または概念的なものであり、各部分の厚みと幅との関係、部分間の大きさの比率などは、必ずしも現実のものと同一とは限らない。また、同じ部分を表す場合であっても、図面により互いの寸法や比率が異なって表される場合もある。
なお、本願明細書と各図において、既出の図に関して前述したものと同様の要素には、同一の符号を付して詳細な説明を適宜省略する。
図1に示すように、DC−DCコンバータ10は、入力端子11a,11bと、出力端子11c,11dと、を含む。DC−DCコンバータ10は、入力端子11a,11bを介して、入力電源(図示せず)に接続される。入力電源は、直流電源である。入力電源は、交流電圧を整流平滑した脈流や電池の端子電圧等、安定化されていない直流電源であってもよいし、安定化された直流電源であってもよい。
DC−DCコンバータ10は、制御部12と、電力変換部14と、を備える。電力変換部14は、スイッチング素子31,32と、コイル33と、出力コンデンサ34と、を含む。
図2は、DC−DCコンバータ10の動作波形の例である。
図2の最上段の図は、DC−DCコンバータ10の出力電圧Voutの時間変化を示している。
図2の2段目の図は、駆動部22が出力する入力電圧Vinの振幅を有するスタンバイ時PWM信号SPWMの時間変化を示している。
図2の3段目の図は、制御信号EN_CNTの時間変化を示している。
図2の最下段の図は、制御信号EN_DRVの時間変化を示している。
図3(a)は、比較例のDC−DCコンバータ110のブロック図である。図3(b)は、比較例のDC−DCコンバータ110の動作波形である。
図4(a)および図4(b)は、変形例のDC−DCコンバータの一部を例示するブロック図である。
上述では、PWM信号生成部がヒステリシスコンパレータ211と基準電圧源212とを含むリップル制御方式を採用したDC−DCコンバータの例を説明したが、上述に限らず、リップル制御方式の変形にも適用することができる。また、リップル制御方式以外のPWM制御方式にも適用することができる。
Claims (5)
- 任意の振幅を有し、入力電圧および出力電圧にもとづいてデューティ比が設定された第1PWM信号を出力するPWM信号生成部と、
前記第1PWM信号にもとづいて、前記第1PWM信号と同位相および前記入力電圧の振幅を有する第2PWM信号を出力する駆動部と、
前記第2PWM信号を入力し、高調波成分を除去して直流成分を抽出するフィルタと、
供給される第1制御信号に応じて前記フィルタの出力を前記PWM信号生成部に供給するスイッチと、
を備えたDC−DCコンバータ。 - 前記第2PWM信号のデューティ比は、前記出力電圧と前記入力電圧との比に応じて決定される請求項1記載のDC−DCコンバータ。
- 前記出力電圧に応じた帰還信号を出力する出力電圧検出部をさらに備え、
前記第1制御信号が非アクティブな場合に、前記スイッチは、前記フィルタの出力と前記PWM信号生成部の入力とを接続し、
前記第1制御信号よりも前にアクティブになった第2制御信号によって、前記PWM信号生成部および前記駆動部が起動し、前記第1制御信号がアクティブになることによって、前記フィルタの出力と前記PWM部の入力との接続を切断し、前記出力電圧検出部の出力と前記PWM部の入力とを接続する請求項1または2に記載のDC−DCコンバータ。 - 入力と出力との間に接続されたスイッチング素子をさらに備え、
前記駆動部は、前記第1制御信号がアクティブになることによって、前記スイッチング素子をイネーブルする請求項3記載のDC−DCコンバータ。 - 出力を接続されたシリーズレギュレータをさらに備え、
前記シリーズレギュレータは、前記アクティブになった前記第1制御信号にもとづいてターンオフする請求項4記載のDC−DCコンバータ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017055127A JP6608866B2 (ja) | 2017-03-21 | 2017-03-21 | Dc−dcコンバータ |
US15/692,035 US10135332B2 (en) | 2017-03-21 | 2017-08-31 | DC-DC converter |
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JP2017055127A JP6608866B2 (ja) | 2017-03-21 | 2017-03-21 | Dc−dcコンバータ |
Publications (2)
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JP2018157739A JP2018157739A (ja) | 2018-10-04 |
JP6608866B2 true JP6608866B2 (ja) | 2019-11-20 |
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JP2017055127A Active JP6608866B2 (ja) | 2017-03-21 | 2017-03-21 | Dc−dcコンバータ |
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JP (1) | JP6608866B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US10665743B2 (en) | 2017-02-16 | 2020-05-26 | Futurewei Technologies, Inc. | Distributed/central optimizer architecture |
US10333314B2 (en) * | 2017-04-17 | 2019-06-25 | Futurewei Technologies, Inc. | Multiple buck stage single boost stage optimizer |
JP7170606B2 (ja) | 2019-09-03 | 2022-11-14 | 株式会社東芝 | Dc-dcコンバータ |
CN110988495B (zh) * | 2019-12-12 | 2021-12-14 | 江苏科技大学 | 一种高速脉冲信号幅度测量方法 |
Family Cites Families (6)
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KR100588334B1 (ko) * | 2005-03-29 | 2006-06-09 | 삼성전자주식회사 | 슈도 슈미트 트리거 회로를 이용한 디시-디시 컨버터 및펄스 폭 변조방법 |
TWI377773B (en) * | 2009-05-08 | 2012-11-21 | Richtek Technology Corp | Pwm controller and method for a dc-to-dc converter |
JP2011188647A (ja) * | 2010-03-09 | 2011-09-22 | Toshiba Corp | Dc/dcコンバータ |
JP2014128038A (ja) | 2012-12-25 | 2014-07-07 | Renesas Electronics Corp | 電源装置 |
US9471077B2 (en) * | 2014-10-30 | 2016-10-18 | Dialog Semiconductor (Uk) Limited | Method to pre-set a compensation capacitor voltage |
JP6504429B2 (ja) * | 2014-12-08 | 2019-04-24 | 富士電機株式会社 | スイッチング電源装置 |
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- 2017-03-21 JP JP2017055127A patent/JP6608866B2/ja active Active
- 2017-08-31 US US15/692,035 patent/US10135332B2/en active Active
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US20180278156A1 (en) | 2018-09-27 |
US10135332B2 (en) | 2018-11-20 |
JP2018157739A (ja) | 2018-10-04 |
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