JP7266723B2 - コンバータ及び電力アダプタ - Google Patents
コンバータ及び電力アダプタ Download PDFInfo
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- JP7266723B2 JP7266723B2 JP2022018726A JP2022018726A JP7266723B2 JP 7266723 B2 JP7266723 B2 JP 7266723B2 JP 2022018726 A JP2022018726 A JP 2022018726A JP 2022018726 A JP2022018726 A JP 2022018726A JP 7266723 B2 JP7266723 B2 JP 7266723B2
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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
- H02M3/33571—Half-bridge at primary side of an isolation transformer
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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
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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
- H02M1/0064—Magnetic structures combining different functions, e.g. storage, filtering or transformation
-
- 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
- H02M1/38—Means for preventing simultaneous conduction of 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
- H02M3/22—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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal 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
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal 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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/327—Means for protecting converters other than automatic disconnection against abnormal temperatures
-
- 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
- H02M3/01—Resonant DC/DC converters
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Description
102 コンバータ
103 フィルタ回路
1021 DC電源
1022,Q1 一次パワートランジスタ
10221 一次パワートランジスタの第1端子
10222 一次パワートランジスタの第2端子
1023,Q2 補助パワートランジスタ
10231 補助パワートランジスタの第1端子
10232 補助パワートランジスタの第2端子
1024,C1 第1キャパシタ
1025 変圧器
1026 制御回路
C2 第2キャパシタ
T_Q2 補助パワートランジスタのターンオン期間
Vdssw ターゲット電圧
Vth 前もってセットされた電圧閾値
Claims (9)
- DC電源、一次パワートランジスタ、補助パワートランジスタ、第1キャパシタ、変圧器、及び制御回路を有し、
前記第1キャパシタは、直列回路を形成するよう前記変圧器と直列に接続され、前記直列回路は、前記補助パワートランジスタの第1端子及び第2端子と並列に接続され、前記一次パワートランジスタの第1端子は、前記補助パワートランジスタの前記第2端子へ接続され、前記一次パワートランジスタの第2端子は、前記DC電源の正電極又は負電極のどちらか一方へ接続され、前記補助パワートランジスタの前記第1端子は、前記DC電源の他方の電極へ接続され、前記負電極は接地され、
前記制御回路は、前記変圧器の励起電流が連続状態にあるとき、第2不感時間が終了するときにターゲット電圧を検出し、該ターゲット電圧を前もってセットされた電圧閾値に調整し、前記一次パワートランジスタを第1不感時間が終了するときにオンされるように制御するよう構成され、前記第1不感時間及び前記第2不感時間は、前記補助パワートランジスタがオフされた後かつ前記一次パワートランジスタがオンされる前の期間に含まれ、前記第2不感時間は前記第1不感時間の前にあり、前記ターゲット電圧は、前記一次パワートランジスタの前記第1端子と前記接地との間の電圧であり、
前記制御回路は、前記ターゲット電圧と前記前もってセットされた電圧閾値との間の比較結果に応じて、前記補助パワートランジスタの最後のターンオン期間に基づき前記補助パワートランジスタの次のターンオン期間を延長又は短縮することによって、前記ターゲット電圧を前記前もってセットされた電圧閾値に調整するよう構成される、
コンバータ。 - 前記制御回路は、スイッチング周期において前記一次パワートランジスタ及び前記補助パワートランジスタが夫々少なくとも一度オンされるように、前記一次パワートランジスタ及び前記補助パワートランジスタを制御する、
請求項1に記載のコンバータ。 - 前記一次パワートランジスタの前記第2端子は、前記負電極へ接続され、前記補助パワートランジスタの前記第1端子は、前記正電極へ接続され、
前記制御回路は、前記ターゲット電圧が前記前もってセットされた電圧閾値よりも大きいことを前記比較結果が示すときには、前記補助パワートランジスタの前記最後のターンオン期間に基づき前記補助パワートランジスタの前記次のターンオン期間を延長し、あるいは、前記ターゲット電圧が前記前もってセットされた電圧閾値よりも小さいことを前記比較結果が示すときには、前記補助パワートランジスタの前記最後のターンオン期間に基づき前記補助パワートランジスタの前記次のターンオン期間を短縮するよう構成される、
請求項1又は2に記載のコンバータ。 - 前記一次パワートランジスタの前記第2端子は、前記正電極へ接続され、前記補助パワートランジスタの前記第1端子は、前記負電極へ接続され、
前記制御回路は、前記ターゲット電圧が前記前もってセットされた電圧閾値よりも大きいことを前記比較結果が示すときには、前記補助パワートランジスタの前記最後のターンオン期間に基づき前記補助パワートランジスタの前記次のターンオン期間を短縮し、あるいは、前記ターゲット電圧が前記前もってセットされた電圧閾値よりも小さいことを前記比較結果が示すときには、前記補助パワートランジスタの前記最後のターンオン期間に基づき前記補助パワートランジスタの前記次のターンオン期間を延長するよう構成される、
請求項1又は2に記載のコンバータ。 - 前記制御回路は、検出回路、パワートランジスタ制御回路、第1駆動回路、及び第2駆動回路を有し、前記パワートランジスタ制御回路は、前記検出回路、前記第1駆動回路、及び前記第2駆動回路へ別々に接続され、前記第1駆動回路は、前記一次パワートランジスタへ接続され、前記第2駆動回路は、前記補助パワートランジスタへ接続され、
前記検出回路は、前記ターゲット電圧を検出するよう構成され、
前記パワートランジスタ制御回路は、前記検出回路の検出結果に基づき前記第1駆動回路又は前記第2駆動回路のための駆動信号を送信するよう構成され、
前記第1駆動回路は、前記駆動信号に基づき、前記一次パワートランジスタをオン又はオフされるように駆動するよう構成され、
前記第2駆動回路は、前記駆動信号に基づき、前記補助パワートランジスタをオン又はオフされるように駆動するよう構成される、
請求項1乃至4のうちいずれか一項に記載のコンバータ。 - 当該コンバータは、第2キャパシタを有し、前記第2キャパシタの2つの端子は、夫々前記正電極及び前記負電極へ接続される、
請求項1乃至5のうちいずれか一項に記載のコンバータ。 - 前記変圧器は、一次側巻線及び二次側巻線を有し、前記一次側巻線のドット端子は、前記第1キャパシタへ接続され、前記二次側巻線のドット端子は接地される、
請求項1乃至5のうちいずれか一項に記載のコンバータ。 - 前記変圧器は、一次側巻線及び二次側巻線を有し、前記一次側巻線のドット端子は、前記第1キャパシタへ接続され、前記二次側巻線のドット端子は、前記変圧器の二次側の同期整流器へ接続される、
請求項1乃至5のうちいずれ一項に記載のコンバータ。 - 請求項1乃至8のうちいずれか一項に記載のコンバータと、
AC/DCコンバータと、
フィルタ回路と
を有し、
前記フィルタ回路は、前記AC/DCコンバータ及び前記コンバータへ別々に接続され、
前記AC/DCコンバータは、電力グリッドの交流を直流に変換するよう構成され、
前記コンバータは、DC電圧を負荷に供給するよう構成され、
前記フィルタ回路は、前記AC/DCコンバータ及び前記コンバータのノイズにフィルタリング処理を施すよう構成される、
電力アダプタ。
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CN202110185416.5A CN112803780B (zh) | 2021-02-10 | 2021-02-10 | 一种变换器及电源适配器 |
CN202110185416.5 | 2021-02-10 |
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US (1) | US11843318B2 (ja) |
EP (1) | EP4047804B1 (ja) |
JP (1) | JP7266723B2 (ja) |
KR (1) | KR102600908B1 (ja) |
CN (2) | CN114928260A (ja) |
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CN115118174A (zh) * | 2021-03-09 | 2022-09-27 | 华为数字能源技术有限公司 | 一种非对称半桥反激变换器和电源系统 |
CN113659837B (zh) * | 2021-07-05 | 2023-08-04 | 华为数字能源技术有限公司 | 一种变换器、变换器控制方法以及电源适配器 |
CN115706525A (zh) * | 2021-08-17 | 2023-02-17 | 华为数字能源技术有限公司 | 谐振变换器、谐振变换器的控制方法及电源适配器 |
JP2024075548A (ja) * | 2022-11-23 | 2024-06-04 | ダイオーズ インコーポレイテッド | 電力変換装置の動作方法、半導体チップおよび電力変換装置 |
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CN112803780B (zh) | 2022-05-10 |
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