JP2018108000A - 半導体装置及びdc−dcコンバータ - Google Patents
半導体装置及びdc−dcコンバータ Download PDFInfo
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- JP2018108000A JP2018108000A JP2016255616A JP2016255616A JP2018108000A JP 2018108000 A JP2018108000 A JP 2018108000A JP 2016255616 A JP2016255616 A JP 2016255616A JP 2016255616 A JP2016255616 A JP 2016255616A JP 2018108000 A JP2018108000 A JP 2018108000A
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- signal
- comparator
- modulation circuit
- semiconductor device
- circuit
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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
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/16—Modifications for eliminating interference voltages or currents
- H03K17/161—Modifications for eliminating interference voltages or currents in field-effect transistor switches
-
- 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
- H02M3/125—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 thyratron or thyristor type requiring extinguishing means
- H02M3/135—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 thyratron or thyristor type requiring extinguishing means 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
- H02M3/1588—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 comprising at least one synchronous rectifier element
-
- 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
-
- 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
以下、図面を参照して実施形態を説明する。
図1は、実施形態に関わる、DC−DCコンバータ1の一例を示す回路図である。
DC−DCコンバータ1の動作について説明をする。
差動信号値D=フィードバック信号Vfbm−基準信号Vrefm・・・(1)
Claims (7)
- 第1のクロック信号に基づいて、基準電圧を変調し、基準信号を生成する第1の変調回路と、
前記第1のクロック信号とは逆相の第2のクロック信号に基づいて、出力電圧に基づくフィードバック電圧を変調し、前記基準信号とは逆相のフィードバック信号を生成する第2の変調回路と、
前記基準信号と前記フィードバック信号を比較してデューティを決定し、前記デューティを有するコンパレータ信号を生成するコンパレータと、
前記コンパレータ信号に基づいて、駆動信号を出力するドライバと、
を有する半導体装置。 - クロック生成回路と、
インバータ回路と、を有し、
前記クロック生成回路は、前記第1のクロック信号を生成し、
前記インバータ回路は、前記第1のクロック信号を反転した前記第2のクロック信号を生成する、
請求項1に記載の半導体装置。 - 前記第1の変調回路及び前記第2の変調回路は、互いに同一の回路構成を有する、請求項1に記載の半導体装置。
- 前記基準信号は、正相の三角波であり、
前記フィードバック信号は、前記基準信号とは逆相の三角波である、
請求項1に記載の半導体装置。 - 前記第1の変調回路及び前記第2の変調回路は、積分回路である、請求項1に記載の半導体装置。
- 前記コンパレータは、前記基準信号と前記フィードバック信号の差動入力幅によって前記コンパレータ信号を生成する、請求項1に記載の半導体装置。
- 請求項1に記載の半導体装置を有し、
前記ドライバと前記出力電圧を出力する出力端子の間に、インダクタが設けられ、
前記出力端子と固定電位の間に、コンデンサが設けられた、
DC−DCコンバータ。
Priority Applications (2)
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JP2016255616A JP6606057B2 (ja) | 2016-12-28 | 2016-12-28 | 半導体装置及びdc−dcコンバータ |
US15/701,193 US10097175B2 (en) | 2016-12-28 | 2017-09-11 | Semiconductor device and DC-DC converter |
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JP2016255616A JP6606057B2 (ja) | 2016-12-28 | 2016-12-28 | 半導体装置及びdc−dcコンバータ |
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JP2018108000A true JP2018108000A (ja) | 2018-07-05 |
JP6606057B2 JP6606057B2 (ja) | 2019-11-13 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021040419A (ja) * | 2019-09-03 | 2021-03-11 | 株式会社東芝 | Dc−dcコンバータ |
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WO2009101905A1 (ja) * | 2008-02-14 | 2009-08-20 | Nec Corporation | 電力増幅器 |
JP2015126617A (ja) * | 2013-12-26 | 2015-07-06 | 株式会社東芝 | Dc−dcコンバータ、および、半導体集積回路 |
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JPH09140126A (ja) * | 1995-05-30 | 1997-05-27 | Linear Technol Corp | 適応スイッチ回路、適応出力回路、制御回路およびスイッチング電圧レギュレータを動作させる方法 |
US5905370A (en) * | 1997-05-06 | 1999-05-18 | Fairchild Semiconductor Corporation | Programmable step down DC-DC converter controller |
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JP5352964B2 (ja) * | 2007-03-29 | 2013-11-27 | 富士通セミコンダクター株式会社 | Dc−dcコンバータ、電源電圧供給方法、電源電圧供給システム、およびdc−dcコンバータの制御方法 |
JP5326421B2 (ja) * | 2008-08-18 | 2013-10-30 | 富士電機株式会社 | Dc−dcコンバータの異常電流防止回路 |
JP2011087405A (ja) | 2009-10-15 | 2011-04-28 | Panasonic Corp | スイッチングレギュレータ |
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TWI477048B (zh) * | 2011-07-27 | 2015-03-11 | Upi Semiconductor Corp | 直流對直流轉換器及其電壓轉換方法 |
JP5810896B2 (ja) * | 2011-12-22 | 2015-11-11 | 株式会社ソシオネクスト | Dc−dcコンバータ及びdc−dcコンバータの制御方法 |
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JP2017055578A (ja) | 2015-09-10 | 2017-03-16 | 株式会社東芝 | Dc−dcコンバータ |
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WO2009101905A1 (ja) * | 2008-02-14 | 2009-08-20 | Nec Corporation | 電力増幅器 |
JP2015126617A (ja) * | 2013-12-26 | 2015-07-06 | 株式会社東芝 | Dc−dcコンバータ、および、半導体集積回路 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2021040419A (ja) * | 2019-09-03 | 2021-03-11 | 株式会社東芝 | Dc−dcコンバータ |
JP7170606B2 (ja) | 2019-09-03 | 2022-11-14 | 株式会社東芝 | Dc-dcコンバータ |
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Publication number | Publication date |
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US20180183430A1 (en) | 2018-06-28 |
US10097175B2 (en) | 2018-10-09 |
JP6606057B2 (ja) | 2019-11-13 |
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