JP6570085B2 - 絶縁型コンバータにおけるコンスタント・オン・タイム(cot)制御 - Google Patents
絶縁型コンバータにおけるコンスタント・オン・タイム(cot)制御 Download PDFInfo
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- JP6570085B2 JP6570085B2 JP2017515838A JP2017515838A JP6570085B2 JP 6570085 B2 JP6570085 B2 JP 6570085B2 JP 2017515838 A JP2017515838 A JP 2017515838A JP 2017515838 A JP2017515838 A JP 2017515838A JP 6570085 B2 JP6570085 B2 JP 6570085B2
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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
- H02M3/33507—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
-
- 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
-
- 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
- H02M3/22—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
- 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
-
- 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)
- Electronic Switches (AREA)
- Rectifiers (AREA)
Description
本願は、本願の共通出願人によって2014年9月19日に提出された中国(CN)特許出願第201410483053.3号、および2014年12月7日に提出された米国(US)特許出願第14/562,731号に優先権を主張する。中国特許出願第201410483053.3号および米国特許出願第14/562,731号の開示全体を引用により本文書に援用する。
Claims (8)
- 入力電圧を受け取る入力端子に接続されるコンスタント・オン・タイム(COT)絶縁型コンバータであって、
一次側及び二次側を含む変圧器であって、前記一次側が前記入力端子に接続され、前記二次側が負荷に接続され、出力電圧及び出力電流が前記負荷に印加される変圧器と、
前記変圧器の前記一次側及び前記入力電圧を受け取る前記入力端子に接続され、複数の起動信号を順次生成するドライバと、
前記ドライバに接続され、さらに前記変圧器の前記一次側及び前記二次側に接続され、前記起動信号を前記変圧器の前記二次側に送信する少なくとも1つの結合素子と、
前記結合素子、前記変圧器の前記二次側、及び前記負荷に接続されるプロセッサであって、前記出力電圧又は前記出力電流と前記起動信号とを受け取り、それに応じて制御信号を生成し、前記結合素子を通じて前記制御信号を前記ドライバに送信し、前記ドライバが前記制御信号を増幅して第1のデジタル信号を生成するプロセッサと、
前記変圧器の前記一次側及び前記ドライバに接続される第1の電子スイッチであって、前記第1のデジタル信号を受け取り、それに応じてオン/オフ状態を変更し、前記入力電圧を前記入力端子から受け取る前記変圧器を制御することによって、前記出力電圧及び前記出力電流を調節する第1の電子スイッチと、
を備え、
前記入力端子から前記入力電圧を受け取る前記ドライバが、前記第1の電子スイッチに送信される第1のパルス信号を生成して、それに応じて前記第1の電子スイッチのオン/オフ状態を変更することによって、前記入力端子から前記入力電圧を受け取る前記変圧器を制御し、前記出力電圧及び前記出力電流を生成した後、前記プロセッサが前記制御信号を生成し、前記ドライバが、前記制御信号の受信後、前記第1のパルス信号及び前記起動信号の生成を停止する、コンスタント・オン・タイム絶縁型コンバータ。 - 前記第1の電子スイッチのオン/オフ状態の期間が、前記制御信号が負から正に変化する瞬間と前記制御信号が正から負に変化する瞬間とによって決定される、請求項1に記載のコンスタント・オン・タイム絶縁型コンバータ。
- 前記プロセッサが、
前記変圧器の前記二次側及び前記負荷に接続されて、前記出力電圧又は前記出力電流に対応する検出電圧を捕捉する電気信号抽出器と、
前記結合素子、前記変圧器の前記二次側、及び前記電気信号抽出器に接続されて、前記検出電圧及び前記起動信号を受信することによって、前記制御信号を生成するコントローラと、
を備える、請求項1に記載のコンスタント・オン・タイム絶縁型コンバータ。 - 前記変圧器の前記二次側と前記負荷との間に接続され、さらに前記コントローラに接続される第2の電子スイッチをさらに備え、前記コントローラが前記制御信号を生成し、前記コントローラが、前記検出電圧及び前記起動信号に基づいて、前記第2の電子スイッチに送信される第2のデジタル信号を生成して、前記第2の電子スイッチのオン/オフ状態を制御する結果、前記第1の電子スイッチと前記第2の電子スイッチとが反対のオン/オフ状態となる、あるいは両方ともオフ状態となることによって、前記入力電圧を受け取る前記変圧器を制御して前記出力電圧及び前記出力電流を調節する、請求項3に記載のコンスタント・オン・タイム絶縁型コンバータ。
- 前記第2の電子スイッチが、N−チャネル金属酸化物半導体電界効果トランジスタである、請求項4に記載のコンスタント・オン・タイム絶縁型コンバータ。
- 前記コントローラに所定基準電圧が与えられ、前記制御信号が所定期間内の少なくとも1サイクルの第2のパルス信号であり、前記検出電圧が前記所定基準電圧未満であるとき、前記第2のパルス信号の各サイクルが、第1の半サイクルで高レベル電圧を、第2の半サイクルで低レベル電圧を供給し、前記所定期間後に前記検出電圧が前記基準電圧より大きくなるとき、前記制御信号が低レベル電圧である、請求項4に記載のコンスタント・オン・タイム絶縁型コンバータ。
- 前記第1の電子スイッチが、N−チャネル金属酸化物半導体電界効果トランジスタ又はバイポーラ接合トランジスタである、請求項1に記載のコンスタント・オン・タイム絶縁型コンバータ。
- 前記結合素子が、コンデンサ、変圧器、圧電素子、又は光結合素子である、請求項1に記載のコンスタント・オン・タイム絶縁型コンバータ。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410483053.3A CN105490540B (zh) | 2014-09-19 | 2014-09-19 | 固定导通时间切换式转换装置 |
CN201410483053.3 | 2014-09-19 | ||
US14/562,731 US9577542B2 (en) | 2014-09-12 | 2014-12-07 | Constant on-time (COT) control in isolated converter |
US14/562,731 | 2014-12-07 | ||
PCT/US2015/050529 WO2016044490A1 (en) | 2014-09-19 | 2015-09-16 | Constant on-time (cot) control in isolated converter |
Publications (2)
Publication Number | Publication Date |
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JP2017529052A JP2017529052A (ja) | 2017-09-28 |
JP6570085B2 true JP6570085B2 (ja) | 2019-09-04 |
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JP2017515838A Active JP6570085B2 (ja) | 2014-09-19 | 2015-09-16 | 絶縁型コンバータにおけるコンスタント・オン・タイム(cot)制御 |
Country Status (6)
Country | Link |
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EP (1) | EP3195457B1 (ja) |
JP (1) | JP6570085B2 (ja) |
KR (1) | KR101901575B1 (ja) |
CN (1) | CN105490540B (ja) |
PH (1) | PH12017500473A1 (ja) |
WO (1) | WO2016044490A1 (ja) |
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-
2014
- 2014-09-19 CN CN201410483053.3A patent/CN105490540B/zh active Active
-
2015
- 2015-09-16 JP JP2017515838A patent/JP6570085B2/ja active Active
- 2015-09-16 KR KR1020177008379A patent/KR101901575B1/ko active IP Right Grant
- 2015-09-16 EP EP15842166.9A patent/EP3195457B1/en active Active
- 2015-09-16 WO PCT/US2015/050529 patent/WO2016044490A1/en active Application Filing
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2017
- 2017-03-13 PH PH12017500473A patent/PH12017500473A1/en unknown
Also Published As
Publication number | Publication date |
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CN105490540A (zh) | 2016-04-13 |
PH12017500473B1 (en) | 2017-07-31 |
KR20170047343A (ko) | 2017-05-04 |
JP2017529052A (ja) | 2017-09-28 |
KR101901575B1 (ko) | 2018-09-27 |
CN105490540B (zh) | 2019-09-06 |
WO2016044490A1 (en) | 2016-03-24 |
PH12017500473A1 (en) | 2017-07-31 |
EP3195457B1 (en) | 2021-03-10 |
EP3195457A4 (en) | 2018-05-16 |
EP3195457A1 (en) | 2017-07-26 |
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