JP6145038B2 - Dc−dcコンバータ、および、半導体集積回路 - Google Patents
Dc−dcコンバータ、および、半導体集積回路 Download PDFInfo
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- JP6145038B2 JP6145038B2 JP2013269904A JP2013269904A JP6145038B2 JP 6145038 B2 JP6145038 B2 JP 6145038B2 JP 2013269904 A JP2013269904 A JP 2013269904A JP 2013269904 A JP2013269904 A JP 2013269904A JP 6145038 B2 JP6145038 B2 JP 6145038B2
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- 239000004065 semiconductor Substances 0.000 title claims description 17
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 23
- 239000003990 capacitor Substances 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 4
- 230000001934 delay Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 16
- 230000004044 response Effects 0.000 description 10
- 238000009499 grossing Methods 0.000 description 7
- 102100040862 Dual specificity protein kinase CLK1 Human genes 0.000 description 4
- 102100040844 Dual specificity protein kinase CLK2 Human genes 0.000 description 4
- 101000749294 Homo sapiens Dual specificity protein kinase CLK1 Proteins 0.000 description 4
- 101000749291 Homo sapiens Dual specificity protein kinase CLK2 Proteins 0.000 description 4
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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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
- H02M3/02—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
-
- 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
- H02M3/157—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 with digital control
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Description
TOUT 出力電圧端子
C コンデンサ
L インダクタ
VC 基準電圧生成回路
G1 変調用クロック信号生成回路
CON1 第1のコンパレータ
M 変調器M
DR ドライバ
Y 分圧回路
Claims (5)
- 固定電位との間に外部負荷が接続され、出力電圧が出力される出力電圧端子と、
前記出力電圧端子と前記固定電位との間に接続されたコンデンサと、
一端が前記出力電圧端子に接続され、他端が制御ノードに接続されたインダクタと、
基準電圧を生成する基準電圧生成回路と、
変調用クロック信号を生成する変調用クロック信号生成回路と、
前記基準電圧に対して前記変調用クロック信号に同期した変調を掛けることにより得られた基準信号を出力する変調器と、
前記基準信号と、前記出力電圧に基づいた第1のフィードバック信号とを比較し、この比較結果に基づいた信号を出力する第1のコンパレータと、
前記第1のコンパレータが出力する信号に基づいたPWM信号を波形整形し、この波形整形したドライブ信号を前記制御ノードに出力するドライバと、
前記出力電圧端子と前記固定電位との間に接続され、前記出力電圧を第1の分圧比で分圧した第1の分圧電圧を出力する分圧回路であって、前記第1のフィードバック信号は、前記第1の分圧電圧であり、前記出力電圧を前記第1の分圧比と異なる第2の分圧比で分圧した第2の分圧電圧として第2のフィードバック信号を出力する、分圧回路と、
前記基準信号と前記第2のフィードバック信号とを比較し、この比較結果に基づいた信号を出力する第2のコンパレータと、
前記第1のコンパレータが出力した信号と前記第2のコンパレータが出力した信号とを演算し、この演算結果に応じた信号を前記PWM信号として出力する演算回路と、を備える
ことを特徴とするDC−DCコンバータ。 - 前記PWM信号のデューティを所定範囲内に制限する制限回路をさらに備えることを特徴とする請求項1に記載のDC−DCコンバータ。
- 前記出力電圧の変化に応じた前記第1のフィードバック信号の変化を、予め設定された遅延時間だけ遅延させる遅延回路をさらに備えることを特徴とする請求項2に記載のDC−DCコンバータ。
- セット端子に前記第1のコンパレータが出力した信号が入力され、リセット端子に制御用クロック信号が入力され、出力端子から前記PWM信号を出力するフリップフロップをさらに備える
ことを特徴とする請求項1に記載のDC−DCコンバータ。 - 固定電位との間に外部負荷が接続され、出力電圧が出力される出力電圧端子と、前記出力電圧端子と前記固定電位との間に接続されたコンデンサと、一端が前記出力電圧端子に接続され、他端が制御ノードに接続されたインダクタと、を備えたDC−DCコンバータに適用される半導体集積回路であって、
基準電圧を生成する基準電圧生成回路と、
変調用クロック信号を生成する変調用クロック信号生成回路と、
前記基準電圧に対して前記変調用クロック信号に同期した変調を掛けることにより得られた基準信号を出力する変調器と、
前記基準信号と、前記出力電圧に基づいた第1のフィードバック信号とを比較し、この比較結果に基づいた信号を出力する第1のコンパレータと、
前記第1のコンパレータが出力する信号に基づいたPWM信号を波形整形して、前記制御ノードに出力するドライバと、
前記出力電圧端子と前記固定電位との間に接続され、前記出力電圧を第1の分圧比で分圧した第1の分圧電圧を出力する分圧回路であって、前記第1のフィードバック信号は、前記第1の分圧電圧であり、前記出力電圧を前記第1の分圧比と異なる第2の分圧比で分圧した第2の分圧電圧として第2のフィードバック信号を出力する、分圧回路と、
前記基準信号と前記第2のフィードバック信号とを比較し、この比較結果に基づいた信号を出力する第2のコンパレータと、
前記第1のコンパレータが出力した信号と前記第2のコンパレータが出力した信号とを演算し、この演算結果に応じた信号を前記PWM信号として出力する演算回路と、を備える
ことを特徴とする半導体集積回路。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013269904A JP6145038B2 (ja) | 2013-12-26 | 2013-12-26 | Dc−dcコンバータ、および、半導体集積回路 |
TW103128297A TWI517542B (zh) | 2013-12-26 | 2014-08-18 | DC-DC converters and semiconductor integrated circuits |
CN201410445830.5A CN104753339A (zh) | 2013-12-26 | 2014-09-03 | Dc-dc转换器以及半导体集成电路 |
US14/490,262 US9337729B2 (en) | 2013-12-26 | 2014-09-18 | High efficiency DC-DC converter with fast clock operation and load change response |
Applications Claiming Priority (1)
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JP2013269904A JP6145038B2 (ja) | 2013-12-26 | 2013-12-26 | Dc−dcコンバータ、および、半導体集積回路 |
Publications (2)
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JP2015126617A JP2015126617A (ja) | 2015-07-06 |
JP6145038B2 true JP6145038B2 (ja) | 2017-06-07 |
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JP2013269904A Active JP6145038B2 (ja) | 2013-12-26 | 2013-12-26 | Dc−dcコンバータ、および、半導体集積回路 |
Country Status (4)
Country | Link |
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US (1) | US9337729B2 (ja) |
JP (1) | JP6145038B2 (ja) |
CN (1) | CN104753339A (ja) |
TW (1) | TWI517542B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10097175B2 (en) | 2016-12-28 | 2018-10-09 | Kabushiki Kaisha Toshiba | Semiconductor device and DC-DC converter |
US11451146B2 (en) | 2019-09-03 | 2022-09-20 | Kabushiki Kaisha Toshiba | DC-DC converter |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017055578A (ja) * | 2015-09-10 | 2017-03-16 | 株式会社東芝 | Dc−dcコンバータ |
JP6794203B2 (ja) * | 2016-09-23 | 2020-12-02 | 株式会社東芝 | 半導体装置及びdc−dcコンバータ |
JP7426702B2 (ja) * | 2020-02-13 | 2024-02-02 | ザインエレクトロニクス株式会社 | 半導体装置 |
US11411556B2 (en) * | 2020-07-24 | 2022-08-09 | Astec International Limited | Duty cycle control for switching power converters |
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JPS4970129A (ja) * | 1972-11-10 | 1974-07-06 | ||
JPH04255459A (ja) * | 1991-02-07 | 1992-09-10 | Fujitsu Ten Ltd | スイッチングレギュレータ |
JPH06225522A (ja) | 1993-01-27 | 1994-08-12 | Fuji Electric Co Ltd | スイッチング電源回路 |
US6424130B1 (en) * | 1999-04-27 | 2002-07-23 | Seiko Instruments Inc. | Output voltage detecting circuit |
DE60006846T2 (de) * | 1999-10-05 | 2004-08-19 | Alcatel | Schaltnetzteil für breitbandige eingangsspannungen |
US6166528A (en) * | 1999-11-02 | 2000-12-26 | Fairchild Semiconductor Corporation | Lossless current sensing in buck converters working with low duty cycles and high clock frequencies |
JP4054714B2 (ja) * | 2003-04-28 | 2008-03-05 | 株式会社リコー | 昇降圧型dc−dcコンバータ |
JP4305738B2 (ja) * | 2003-06-19 | 2009-07-29 | ローム株式会社 | Dc/dcコンバータ |
TW200605483A (en) * | 2004-03-31 | 2006-02-01 | Matsushita Electric Ind Co Ltd | Inductive load current control circuit and power supply apparatus |
JP2007097361A (ja) | 2005-09-30 | 2007-04-12 | Matsushita Electric Ind Co Ltd | 昇降圧コンバータ |
TWI313959B (en) | 2006-03-22 | 2009-08-21 | Anpec Electronics Corp | Switching regulator capable of raising system stability by virtual ripple |
JP5046564B2 (ja) * | 2006-06-07 | 2012-10-10 | ローム株式会社 | 電源装置およびそれを用いた電子機器 |
JP5146022B2 (ja) * | 2008-03-10 | 2013-02-20 | 株式会社リコー | Dc−dcコンバータ |
JP5262260B2 (ja) * | 2008-04-11 | 2013-08-14 | 株式会社リコー | 電圧可変dc−dcコンバータ |
US8135976B2 (en) * | 2008-12-17 | 2012-03-13 | Lsi Corporation | Modulated clock, an IC including the modulated clock and a method of providing a modulated clock signal for power control |
JP5405891B2 (ja) * | 2009-05-08 | 2014-02-05 | スパンション エルエルシー | 電源装置、制御回路、電源装置の制御方法 |
JP5727189B2 (ja) * | 2010-10-01 | 2015-06-03 | Necエンジニアリング株式会社 | 同期整流型電源回路 |
US9362820B2 (en) | 2010-10-07 | 2016-06-07 | Semiconductor Energy Laboratory Co., Ltd. | DCDC converter, semiconductor device, and power generation device |
JP6009742B2 (ja) * | 2011-08-08 | 2016-10-19 | ローム株式会社 | スイッチング電源装置 |
US8786269B2 (en) * | 2011-08-10 | 2014-07-22 | Eta Semiconductor Inc. | Constant frequency synthetic ripple power converter |
-
2013
- 2013-12-26 JP JP2013269904A patent/JP6145038B2/ja active Active
-
2014
- 2014-08-18 TW TW103128297A patent/TWI517542B/zh not_active IP Right Cessation
- 2014-09-03 CN CN201410445830.5A patent/CN104753339A/zh active Pending
- 2014-09-18 US US14/490,262 patent/US9337729B2/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10097175B2 (en) | 2016-12-28 | 2018-10-09 | Kabushiki Kaisha Toshiba | Semiconductor device and DC-DC converter |
US11451146B2 (en) | 2019-09-03 | 2022-09-20 | Kabushiki Kaisha Toshiba | DC-DC converter |
Also Published As
Publication number | Publication date |
---|---|
TW201526505A (zh) | 2015-07-01 |
US20150188422A1 (en) | 2015-07-02 |
TWI517542B (zh) | 2016-01-11 |
US9337729B2 (en) | 2016-05-10 |
JP2015126617A (ja) | 2015-07-06 |
CN104753339A (zh) | 2015-07-01 |
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