JP7497131B2 - アクティブスナバ回路、及び降圧コンバータ - Google Patents
アクティブスナバ回路、及び降圧コンバータ Download PDFInfo
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- JP7497131B2 JP7497131B2 JP2022077967A JP2022077967A JP7497131B2 JP 7497131 B2 JP7497131 B2 JP 7497131B2 JP 2022077967 A JP2022077967 A JP 2022077967A JP 2022077967 A JP2022077967 A JP 2022077967A JP 7497131 B2 JP7497131 B2 JP 7497131B2
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- fet switch
- circuit
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- fet
- switch
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- 238000010586 diagram Methods 0.000 description 24
- 239000003990 capacitor Substances 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 10
- 238000005259 measurement Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/008—Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators
-
- 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
-
- 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
-
- 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
- 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
- H02M3/33573—Full-bridge at primary 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)
Description
1A :降圧コンバータ
10 :絶縁型DC/DCコンバータ(第1回路)
20 :DC/DCスイッチング電源回路(第2回路)
20A :第1出力系(出力)
20B :第2出力系(出力)
27 :第2出力端子(接続点)
30 :制御装置(制御部)
100 :アクティブスナバ回路
110 :非絶縁型DC/DCコンバータ(第1回路)
200 :アクティブスナバ回路
1000 :降圧コンバータ
C1 :コンデンサ(第1蓄電素子)
C2 :コンデンサ(第1蓄電素子)
C3 :コンデンサ(第2蓄電素子)
D5 :ダイオード(素子)
L :インダクタ
P1 :接続点(第1サージ電圧の出力点)
P2 :接続点(第1サージ電圧の出力点)
P3 :接続点(第2サージ電圧の出力点)
Q1 :FETスイッチ(第1FETスイッチ)
Q2 :FETスイッチ(第2FETスイッチ)
Q3 :FETスイッチ(素子、第3FETスイッチ)
Claims (5)
- 入力電圧を降圧し、第1サージ電圧を発生する第1回路と、複数の出力を備え、第2サージ電圧を発生する第2回路とを備える降圧コンバータに接続され、前記第1サージ電圧と前記第2サージ電圧とを吸収するアクティブスナバ回路であって、
前記第1回路の前記第1サージ電圧の出力点に接続された第1蓄電素子と、
前記第1回路の前記第1サージ電圧の出力点と前記第1蓄電素子とに接続された第1FETスイッチと、
前記第2回路の前記第2サージ電圧の出力点に接続された第2蓄電素子と、
前記第2回路の前記第2サージ電圧の出力点と前記第2蓄電素子とに接続された第2FETスイッチと、
前記第2回路の前記第2サージ電圧の出力点よりも出力側に位置する接続点と前記第1FETスイッチと前記第2FETスイッチとに接続されたインダクタと、
前記第1FETスイッチと前記第2FETスイッチと前記インダクタとグランドとに接続され、順方向電流を流す素子と
を備えるアクティブスナバ回路。 - 入力電圧を降圧し、第1サージ電圧を発生する第1回路と、
複数の出力を備え、第2サージ電圧を発生する第2回路と、
前記第1回路と前記第2回路とに接続され、前記第1サージ電圧と前記第2サージ電圧とを吸収するアクティブスナバ回路と
を備える降圧コンバータであって、
前記アクティブスナバ回路は、
前記第1回路の前記第1サージ電圧の出力点に接続された第1蓄電素子と、
前記第1回路の前記第1サージ電圧の出力点と前記第1蓄電素子とに接続された第1FETスイッチと、
前記第2回路の前記第2サージ電圧の出力点に接続された第2蓄電素子と、
前記第2回路の前記第2サージ電圧の出力点と前記第2蓄電素子とに接続された第2FETスイッチと、
前記第2回路の前記第2サージ電圧の出力点よりも出力側に位置する接続点と前記第1FETスイッチと前記第2FETスイッチとに接続されたインダクタと、
前記第1FETスイッチと前記第2FETスイッチと前記インダクタとグランドとに接続され、順方向電流を流す素子と
を備え、
前記第1FETスイッチと前記第2FETスイッチとを制御する制御部を備える降圧コンバータ。 - 前記制御部は、連続モードの時、前記第1FETスイッチ及び前記第2FETスイッチがOFFの状態から前記第1FETスイッチをONに切り換え、次に、前記第1FETスイッチがONの状態で前記第2FETスイッチをONに切り換え、次に、前記第2FETスイッチがONの状態で前記第1FETスイッチをOFFに切り換え、次に、前記第1FETスイッチがOFFの状態で前記第2FETスイッチをOFFに切り換える請求項2に記載の降圧コンバータ。
- 前記制御部は、不連続モードの時、前記第1FETスイッチ及び前記第2FETスイッチがOFFの状態から前記第1FETスイッチをONに切り換え、次に、前記第2FETスイッチがOFFの状態で前記第1FETスイッチをOFFに切り換え、次に、前記第1FETスイッチがOFFの状態で前記第2FETスイッチをONに切り換え、次に、前記第1FETスイッチがOFFの状態で前記第2FETスイッチをOFFに切り換える請求項2又は3に記載の降圧コンバータ。
- 前記素子は、第3FETスイッチ又はダイオードである請求項2に記載の降圧コンバータ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022077967A JP7497131B2 (ja) | 2022-05-11 | 2022-05-11 | アクティブスナバ回路、及び降圧コンバータ |
US18/298,325 US20230369967A1 (en) | 2022-05-11 | 2023-04-10 | Active snubber circuit and buck converter |
DE102023109053.4A DE102023109053A1 (de) | 2022-05-11 | 2023-04-11 | Aktive Dämpfungsschaltung und Abwärtswandler |
Applications Claiming Priority (1)
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JP2022077967A JP7497131B2 (ja) | 2022-05-11 | 2022-05-11 | アクティブスナバ回路、及び降圧コンバータ |
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JP2023167082A JP2023167082A (ja) | 2023-11-24 |
JP7497131B2 true JP7497131B2 (ja) | 2024-06-10 |
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US (1) | US20230369967A1 (ja) |
JP (1) | JP7497131B2 (ja) |
DE (1) | DE102023109053A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130223104A1 (en) | 2012-02-24 | 2013-08-29 | Robert Bosch Gmbh | Actuation apparatus and actuation method for an active snubber circuit for a dc-dc converter |
JP2017042001A (ja) | 2015-08-21 | 2017-02-23 | 矢崎総業株式会社 | 電源装置 |
JP2020080625A (ja) | 2018-11-14 | 2020-05-28 | 矢崎総業株式会社 | 電源装置 |
JP2020182281A (ja) | 2019-04-24 | 2020-11-05 | Fdk株式会社 | 電力変換装置 |
JP2020198720A (ja) | 2019-06-04 | 2020-12-10 | 矢崎総業株式会社 | 電源装置 |
-
2022
- 2022-05-11 JP JP2022077967A patent/JP7497131B2/ja active Active
-
2023
- 2023-04-10 US US18/298,325 patent/US20230369967A1/en active Pending
- 2023-04-11 DE DE102023109053.4A patent/DE102023109053A1/de active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130223104A1 (en) | 2012-02-24 | 2013-08-29 | Robert Bosch Gmbh | Actuation apparatus and actuation method for an active snubber circuit for a dc-dc converter |
JP2017042001A (ja) | 2015-08-21 | 2017-02-23 | 矢崎総業株式会社 | 電源装置 |
JP2020080625A (ja) | 2018-11-14 | 2020-05-28 | 矢崎総業株式会社 | 電源装置 |
JP2020182281A (ja) | 2019-04-24 | 2020-11-05 | Fdk株式会社 | 電力変換装置 |
JP2020198720A (ja) | 2019-06-04 | 2020-12-10 | 矢崎総業株式会社 | 電源装置 |
Also Published As
Publication number | Publication date |
---|---|
DE102023109053A1 (de) | 2023-11-16 |
JP2023167082A (ja) | 2023-11-24 |
US20230369967A1 (en) | 2023-11-16 |
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