JPWO2017187853A1 - Dc−dcコンバータ - Google Patents
Dc−dcコンバータ Download PDFInfo
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- JPWO2017187853A1 JPWO2017187853A1 JP2018514200A JP2018514200A JPWO2017187853A1 JP WO2017187853 A1 JPWO2017187853 A1 JP WO2017187853A1 JP 2018514200 A JP2018514200 A JP 2018514200A JP 2018514200 A JP2018514200 A JP 2018514200A JP WO2017187853 A1 JPWO2017187853 A1 JP WO2017187853A1
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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
- H02M3/22—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
- H02M3/33576—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 having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—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 having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary 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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static 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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
-
- 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
- H02M3/33507—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 with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—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 with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
-
- 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
- H02M3/33576—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 having at least one active switching element at the secondary 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
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/34—Snubber circuits
- H02M1/342—Active non-dissipative snubbers
-
- 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
Abstract
Description
DC電圧を受ける電圧入力部と、
負荷が接続される電圧出力部と、
少なくとも1次巻線と2次巻線を有するトランスと、
前記電圧入力部と前記トランスの1次巻線との間に設けられた主スイッチ素子と、
前記電圧出力部と前記トランスの2次巻線との間に設けられた整流回路と、
前記トランスに蓄積された励磁エネルギーがリセットされるときに生じるリセット電圧の大きさを検出し、前記リセット電圧の大きさに応じて、前記主スイッチ素子に印加される電圧を抑制するリセット電圧抑制回路と、を備える。
図1は第1の実施形態に係るDC−DCコンバータ101Aの回路図である。このDC−DCコンバータ101Aは、DC電圧を受ける電圧入力部Vin(+),Vin(-)と、負荷が接続される電圧出力部Vo(+),Vo(-)を備え、電圧入力部Vin(+),Vin(-)に入力されたDC電圧を所定の安定化したDC電圧に変換して電圧出力部Vo(+),Vo(-)から負荷へ出力する。DC−DCコンバータ101Aは1次巻線N1と2次巻線N2を有するトランスT1を備える。電圧入力部Vin(+),Vin(-)とトランスT1の1次巻線N1との間には主スイッチ素子Q1が接続されている。電圧出力部Vo(+),Vo(-)とトランスT1の2次巻線N2との間には整流回路20が設けられている。
−Vin・Ton/Toff
=−{Vin/(1−D)−Vin}
主スイッチ素子Q1のVdsは、
Vin+{Vin/(1−D)−Vin}
=Vin/(1−D)
整流スイッチ素子Q2のVdsは、
{Vin/(1−D)−Vin}・n2/n1
転流スイッチ素子Q3のVdsは、
Vin・n2/n1
である。
第2の実施形態では、リセット電圧検出回路の構成が第1の実施形態とは異なるDC−DCコンバータの例を示す。
第3の実施形態では、トランスの2次側にリセット電圧検出回路を備えるDC−DCコンバータの例を示す。
第4の実施形態では、トランスの2次側で、且つ補助巻線の電圧によってリセット電圧を検出するDC−DCコンバータの例を示す。
第5の実施形態では、主スイッチ素子のオンデューティを低下させるリセット電圧抑制回路を備えたDC−DCコンバータの例を示す。
第6の実施形態では、トランスの2次側で、且つ補助巻線の電圧によってリセット電圧を検出するDC−DCコンバータの例を示す。
以上に示した各実施形態では、フォワード型のDC−DCコンバータについて示したが、トランスの励磁とリセットとが非対称な電圧で行われるDC−DCコンバータについて同様に適用される。例えばフライバック型のDC−DCコンバータにも同様に適用できる。
C1…クランプ用キャパシタ
C3,C4…キャパシタ
CNT…制御端子
Co…出力キャパシタ
CP1…シャットダウンコンパレータ
CP2,CP3…コンパレータ
D2…整流ダイオード
D3…転流ダイオード
D4…ツェナーダイオード
D5…ダイオード
Lo…インダクタ
N1…1次巻線
N2…2次巻線
N3,N4,N5…補助巻線
OR1…ORゲート
Q1…主スイッチ素子(主スイッチ素子)
Q2…整流スイッチ素子
Q3…転流スイッチ素子
Q4…クランプ用スイッチ素子
Q5,Q6…トランジスタ
R1,R2,R3,R4…抵抗
SR…シャントレギュレータ
SS…ソフトスタート端子
T1…トランス
UVLO…シャットダウン端子
Vin…電圧入力端子
Vin(+),Vin(-)…電圧入力部
Vo(+),Vo(-)…電圧出力部
N1…1次巻線
N2…2次巻線
10…制御回路
11…発振器
12…デッドタイムコントローラ
13A,13B…ドライバー
14…FET
15…ロジック回路
16…フリップフロップ
20…同期整流回路
31…リセット電圧検出回路
32A,32B…リセット電圧検出回路
33…リセット電圧検出回路
34A,34B…リセット電圧検出回路
35A,35B,35C…リセット電圧検出回路
36A,36B,36C…リセット電圧検出回路
40…出力電圧検出回路
101A,101B…DC−DCコンバータ
102A,102B…DC−DCコンバータ
103…DC−DCコンバータ
104…DC−DCコンバータ
104A,104B…DC−DCコンバータ
105A,105B,105C…DC−DCコンバータ
106A,106B,106C…DC−DCコンバータ
Claims (9)
- DC電圧を受ける電圧入力部と、
負荷が接続される電圧出力部と、
少なくとも1次巻線と2次巻線を有するトランスと、
前記電圧入力部と前記トランスの1次巻線との間に設けられた主スイッチ素子と、
前記電圧出力部と前記トランスの2次巻線との間に設けられた整流回路と、
前記トランスに蓄積された励磁エネルギーがリセットされるときに生じるリセット電圧の大きさを検出し、前記リセット電圧の大きさに応じて、前記主スイッチ素子に印加される電圧を抑制するリセット電圧抑制回路と、を備えたDC−DCコンバータ。 - 前記リセット電圧抑制回路は、前記リセット電圧の大きさが所定のしきい値を超える場合に、前記主スイッチ素子に印加される電圧を抑制する、請求項1に記載のDC−DCコンバータ。
- 前記整流回路は、前記電圧出力部と前記トランスの2次巻線との間に設けられた整流スイッチ素子を含み、前記整流スイッチ素子を前記トランスの2次巻線電圧の変化に同期してスイッチングする同期整流回路である、請求項1または2に記載のDC−DCコンバータ。
- 前記リセット電圧抑制回路は、前記リセット電圧の大きさを、前記整流スイッチ素子に印加される電圧によって検出する、請求項3に記載のDC−DCコンバータ。
- 前記リセット電圧抑制回路は、前記リセット電圧の大きさを、前記主スイッチ素子に印加される電圧によって検出する、請求項1から3のいずれかに記載のDC−DCコンバータ。
- 前記トランスは補助巻線を有し、
前記リセット電圧抑制回路は、前記リセット電圧の大きさを、前記トランスの補助巻線の電圧によって検出する、請求項1から3のいずれかに記載のDC−DCコンバータ。 - 前記リセット電圧抑制回路は、前記主スイッチ素子のオンデューティを低下させる回路である、請求項1から6のいずれかに記載のDC−DCコンバータ。
- 前記リセット電圧抑制回路は、前記主スイッチ素子をオフ状態に保つ回路である、請求項7に記載のDC−DCコンバータ。
- 前記主スイッチ素子はFETであり、当該主スイッチ素子のドレイン・ソース間に並列接続され、前記リセット電圧の前記主スイッチ素子への印加電圧を制限するアクティブクランプ回路を備える、請求項1から8のいずれかに記載のDC−DCコンバータ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016087447 | 2016-04-25 | ||
JP2016087447 | 2016-04-25 | ||
PCT/JP2017/011580 WO2017187853A1 (ja) | 2016-04-25 | 2017-03-23 | Dc-dcコンバータ |
Publications (2)
Publication Number | Publication Date |
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JPWO2017187853A1 true JPWO2017187853A1 (ja) | 2018-11-15 |
JP6424982B2 JP6424982B2 (ja) | 2018-11-21 |
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US (1) | US10348213B2 (ja) |
JP (1) | JP6424982B2 (ja) |
CN (1) | CN109075712B (ja) |
WO (1) | WO2017187853A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US10418912B2 (en) | 2017-12-21 | 2019-09-17 | Silanna Asia Pte Ltd | Power converter with active clamp |
US10707766B2 (en) | 2018-02-02 | 2020-07-07 | Silanna Asia Pte Ltd | Integrated self-driven active clamp |
WO2019187306A1 (ja) * | 2018-03-27 | 2019-10-03 | 住友電気工業株式会社 | 電源装置、電源装置の制御方法及びコンピュータプログラム |
JP7066538B2 (ja) * | 2018-06-07 | 2022-05-13 | キヤノン株式会社 | 電源装置及び画像形成装置 |
US10461626B1 (en) | 2019-01-14 | 2019-10-29 | Silanna Asia Pte Ltd | Active clamp circuit |
US10673342B1 (en) | 2019-05-02 | 2020-06-02 | Silanna Asia Pte Ltd | Active clamping with bootstrap circuit |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06327243A (ja) * | 1993-04-29 | 1994-11-25 | American Teleph & Telegr Co <Att> | パワーコンバータ |
JPH08182311A (ja) * | 1994-08-23 | 1996-07-12 | Siliconix Inc | 電圧変換器及び電圧変換器に於ける電流制御方法 |
JP2002233143A (ja) * | 2001-01-30 | 2002-08-16 | Shindengen Electric Mfg Co Ltd | 同期整流型コンバータ |
JP2002272107A (ja) * | 2001-03-13 | 2002-09-20 | Densei Lambda Kk | Dc/dcコンバータ |
JP2006340562A (ja) * | 2005-06-06 | 2006-12-14 | Matsushita Electric Ind Co Ltd | 同期整流コンバータ |
JP2009296770A (ja) * | 2008-06-04 | 2009-12-17 | Toyota Industries Corp | 絶縁形dc−dcコンバータ |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1141927A (ja) * | 1997-07-16 | 1999-02-12 | Fujitsu Ltd | Dc/dcコンバータ |
US6081432A (en) * | 1998-05-26 | 2000-06-27 | Artesyn Technologies, Inc. | Active reset forward converter employing synchronous rectifiers |
JP2000014136A (ja) * | 1998-06-16 | 2000-01-14 | Nec Corp | Dc−dcコンバータ |
JP3391320B2 (ja) * | 1999-12-09 | 2003-03-31 | 株式会社村田製作所 | Dc−dcコンバータ |
TWI573382B (zh) * | 2015-09-09 | 2017-03-01 | 通嘉科技股份有限公司 | 應用於電源轉換器的同步整流器及其操作方法 |
-
2017
- 2017-03-23 WO PCT/JP2017/011580 patent/WO2017187853A1/ja active Application Filing
- 2017-03-23 CN CN201780025897.5A patent/CN109075712B/zh active Active
- 2017-03-23 JP JP2018514200A patent/JP6424982B2/ja active Active
-
2018
- 2018-10-02 US US16/149,283 patent/US10348213B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06327243A (ja) * | 1993-04-29 | 1994-11-25 | American Teleph & Telegr Co <Att> | パワーコンバータ |
JPH08182311A (ja) * | 1994-08-23 | 1996-07-12 | Siliconix Inc | 電圧変換器及び電圧変換器に於ける電流制御方法 |
JP2002233143A (ja) * | 2001-01-30 | 2002-08-16 | Shindengen Electric Mfg Co Ltd | 同期整流型コンバータ |
JP2002272107A (ja) * | 2001-03-13 | 2002-09-20 | Densei Lambda Kk | Dc/dcコンバータ |
JP2006340562A (ja) * | 2005-06-06 | 2006-12-14 | Matsushita Electric Ind Co Ltd | 同期整流コンバータ |
JP2009296770A (ja) * | 2008-06-04 | 2009-12-17 | Toyota Industries Corp | 絶縁形dc−dcコンバータ |
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Publication number | Publication date |
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US10348213B2 (en) | 2019-07-09 |
JP6424982B2 (ja) | 2018-11-21 |
WO2017187853A1 (ja) | 2017-11-02 |
CN109075712A (zh) | 2018-12-21 |
CN109075712B (zh) | 2021-01-08 |
US20190044450A1 (en) | 2019-02-07 |
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