JP7104288B2 - Llcコンバータのための一次側バーストモードコントローラ - Google Patents
Llcコンバータのための一次側バーストモードコントローラ Download PDFInfo
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- JP7104288B2 JP7104288B2 JP2019536021A JP2019536021A JP7104288B2 JP 7104288 B2 JP7104288 B2 JP 7104288B2 JP 2019536021 A JP2019536021 A JP 2019536021A JP 2019536021 A JP2019536021 A JP 2019536021A JP 7104288 B2 JP7104288 B2 JP 7104288B2
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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
- H02M1/08—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
- 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
-
- 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
- H02M3/33538—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 of the forward type
- H02M3/33546—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 of the forward type with automatic control of the output voltage or current
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- 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
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
- H02M1/0035—Control circuits allowing low power mode operation, e.g. in standby mode using burst mode 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
-
- 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
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- 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
Claims (16)
- 回路であって、
一次側を有するLLCコンバータと、
バーストモードコントローラと、
を含み、
前記バーストモードコントローラが、
前記LLCコンバータの前記一次側の電流を監視し、
前記電流が第1の閾値未満であるとの判定に応答して前記LLCコンバータにおけるスイッチのオフ時間を増大させ、
前記電流が第1の閾値よりも高い第2の閾値を上回っているとの判定に応答して前記LLCコンバータにおける前記スイッチの前記オフ時間を減少させる、
ように構成される、回路。 - 請求項1に記載の回路であって、
前記第1の閾値と前記第2の閾値との少なくとも一方がターゲット電流に基づく、回路。 - 請求項2に記載の回路であって、
前記第1の閾値が前記ターゲット電流の50パーセントであり、前記第2の閾値が前記ターゲット電流の75パーセントである、回路。 - 請求項1に記載の回路であって、
前記バーストモードコントローラが、前記電流が前記第1の閾値を超えるまで一連のスイッチングサイクルにわたって前記オフ時間の増大を繰り返すように構成される、回路。 - 請求項1に記載の回路であって、
前記バーストモードコントローラが、前記電流が前記第2の閾値を下回るまで一連のスイッチングサイクルにわたって前記オフ時間を減少させることを繰り返すように構成される、回路。 - 請求項5に記載の回路であって、
前記オフ時間が、前記LLCコンバータにおいてスイッチングが生じない時間期間である、回路。 - 請求項1に記載の回路であって、
前記バーストモードコントローラが、ピーク検出器と、電流感知デバイスと、アップ/ダウンカウンタと、タイマーと、制御ロジックとを含む、回路。 - LLCコンバータの一次側の電流を監視することによって前記LLCコンバータ内の電流をレギュレートするための方法であって、
前記LLCコンバータの前記一次側の電流を監視することと、
前記電流が第1の閾値未満であるとの判定に応答して前記LLCコンバータにおけるスイッチのオフ時間を増大させることと、
前記電流が前記第1の閾値よりも高い第2の閾値を上回るとの判定に応答して前記LLCコンバータにおける前記スイッチの前記オフ時間を減少させることと、
を含む、方法。 - 請求項8に記載の方法であって、
前記第1の閾値と前記第2の閾値との少なくとも一方がターゲット電流に基づく、方法。 - 請求項9に記載の方法であって、
前記第1の閾値が前記ターゲット電流の50パーセントであり、前記第2の閾値が前記ターゲット電流の75パーセントである、方法。 - 請求項8に記載の方法であって、
前記オフ時間を前記増大させることが、前記電流が前記第1の閾値を超えるまでスイッチングサイクル毎に繰り返される、方法。 - 請求項8に記載の方法であって、
前記オフ時間を前記減少させることが、前記電流が前記第2の閾値を下回るまでスイッチングサイクル毎に繰り返される、方法。 - 請求項8に記載の方法であって、
前記オフ時間が、前記LLCコンバータにおいてスイッチングが生じない時間期間である、方法。 - 回路であって、
一次側を有するLLCコンバータと、
バーストモードコントローラと、
を含み、
前記バーストモードコントローラが、
前記LLCコンバータの前記一次側の電流を監視し、
ターゲット電流に基づいて前記電流が第1の閾値未満であるという判定に応答して、前記電流が前記第1の閾値を超えるまでスイッチングサイクル毎に前記LLCコンバータにおけるスイッチのオフ時間を増大させ、
前記電流が、前記ターゲット電流に基づいて第2の閾値を上回り、前記第1の閾値よりも高いとの判定に応答して、前記電流が第2の閾値を下回るまで前記LLCコンバータの前記スイッチの前記オフ時間をスイッチングサイクル毎に減少させる、
ように構成される、回路。 - 請求項14に記載の回路であって、
前記第1の閾値が前記ターゲット電流の50パーセントであり、前記第2の閾値が前記ターゲット電流の75パーセントである、回路。 - 請求項14に記載の回路であって、
前記バーストモードコントローラが、ピーク検出器と、電流感知デバイスと、アップ/ダウンカウンタと、タイマーと、制御ロジックとを含む、回路。
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US15/396,031 | 2016-12-30 | ||
US15/396,031 US11031873B2 (en) | 2016-12-30 | 2016-12-30 | Primary side burst mode controller for LLC converter |
PCT/US2017/069004 WO2018126167A1 (en) | 2016-12-30 | 2017-12-29 | Primary side burst mode controller for llc converter |
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JP2020507296A JP2020507296A (ja) | 2020-03-05 |
JP7104288B2 true JP7104288B2 (ja) | 2022-07-21 |
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US (2) | US11031873B2 (ja) |
JP (1) | JP7104288B2 (ja) |
CN (2) | CN113783403B (ja) |
WO (1) | WO2018126167A1 (ja) |
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US11031873B2 (en) * | 2016-12-30 | 2021-06-08 | Texas Instruments Incorporated | Primary side burst mode controller for LLC converter |
CN112003455B (zh) | 2019-05-27 | 2022-04-29 | 台达电子工业股份有限公司 | 电源供应器及其控制方法 |
CN113676049B (zh) | 2020-05-14 | 2023-06-27 | 台达电子企业管理(上海)有限公司 | 直流变换器的控制方法及直流变换器 |
JP7472654B2 (ja) * | 2020-05-27 | 2024-04-23 | 富士電機株式会社 | スイッチング制御回路、llcコンバータ |
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2016
- 2016-12-30 US US15/396,031 patent/US11031873B2/en active Active
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2017
- 2017-12-29 WO PCT/US2017/069004 patent/WO2018126167A1/en active Application Filing
- 2017-12-29 CN CN202111209472.4A patent/CN113783403B/zh active Active
- 2017-12-29 CN CN201780066763.8A patent/CN109906548A/zh active Pending
- 2017-12-29 JP JP2019536021A patent/JP7104288B2/ja active Active
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WO2016054565A1 (en) | 2014-10-02 | 2016-04-07 | Texas Instruments Incorporated | System and method to improve standby efficiency of llc converter |
JP2017535236A (ja) | 2014-10-02 | 2017-11-24 | 日本テキサス・インスツルメンツ株式会社 | Llcコンバータのスタンバイ効率を改善するためのシステム及び方法 |
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US20210257917A1 (en) | 2021-08-19 |
WO2018126167A1 (en) | 2018-07-05 |
US20180191256A1 (en) | 2018-07-05 |
CN113783403A (zh) | 2021-12-10 |
US11031873B2 (en) | 2021-06-08 |
JP2020507296A (ja) | 2020-03-05 |
US11671022B2 (en) | 2023-06-06 |
CN109906548A (zh) | 2019-06-18 |
CN113783403B (zh) | 2024-04-09 |
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