JP5732272B2 - スイッチング電源装置 - Google Patents
スイッチング電源装置 Download PDFInfo
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- JP5732272B2 JP5732272B2 JP2011028674A JP2011028674A JP5732272B2 JP 5732272 B2 JP5732272 B2 JP 5732272B2 JP 2011028674 A JP2011028674 A JP 2011028674A JP 2011028674 A JP2011028674 A JP 2011028674A JP 5732272 B2 JP5732272 B2 JP 5732272B2
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- 239000003990 capacitor Substances 0.000 claims description 80
- 208000032365 Electromagnetic interference Diseases 0.000 description 12
- 238000001228 spectrum Methods 0.000 description 12
- 238000004088 simulation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000001052 transient effect Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009499 grossing Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 101100509369 Caenorhabditis elegans isw-1 gene Proteins 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Dc-Dc Converters (AREA)
Description
昇圧電圧Vp=VDD/2+VC1
ここで、VC1は、キャパシタ6aの両端にかかる電圧を示す。
降圧電圧Vn=VDD/2−VC2
ここで、VC2は、キャパシタ6bの両端にかかる電圧を示す。
負荷電流IL=(Vp−Vn)/R
ここで、Rは抵抗7の抵抗値を示す。
以上のように、図1からは、正電圧出力Vp及び負電圧出力Vnを取り出すことができる。
2a キャパシタ
2b キャパシタ
3a インダクタ
3b インダクタ
4a ダイオード
4b ダイオード
5a スイッチ
5b スイッチ
6a キャパシタ
6b キャパシタ
7 抵抗
8 キャパシタ
14a スイッチ
14b スイッチ
30 スイッチング電源回路
31 比較器
32 差動増幅器
33 三角波発生器
34 基準電圧発生器
35 分圧抵抗
36 分圧抵抗
Claims (7)
- 直流電源の正極に一端が接続された昇圧用インダクタと、前記昇圧用インダクタの他端に一端が接続された第1のスイッチング素子と、前記昇圧用インダクタと前記第1のスイッチング素子の接続点と一端が接続された第1の整流素子と、前記第1の整流素子の他端に一端が接続された第1のキャパシタとを備えた正電圧出力回路と、
直流電源の負極に一端が接続された降圧用インダクタと、前記降圧用インダクタの他端に一端が接続された第2のスイッチング素子と、前記降圧用インダクタと前記第2のスイッチング素子の接続点と一端が接続された第2の整流素子と、前記第2の整流素子の他端に一端が接続された第2のキャパシタとを備えた負電圧出力回路と、
前記昇圧用インダクタの中間点に一端が接続された第3のキャパシタと、前記降圧用インダクタの中間点に一端が接続され、他端が前記第3のキャパシタの他端及び接地端に接続された第4のキャパシタとを有し、前記第1のスイッチング素子及び前記第2のスイッチング素子が動作したときに流れるスイッチング電流を加算する加算回路とを備え、
前記第1のキャパシタの他端と前記第1のスイッチング素子の他端と前記第2のキャパシタの他端と前記第2のスイッチング素子の他端とは接続されており、
前記正電圧出力回路と前記負電圧出力回路の回路特性が対称となるように構成されており、
前記正電圧出力回路のスイッチング電流と前記負電圧出力回路のスイッチング電流を互いに逆方向に発生させて前記加算回路に入力することを特徴とするスイッチング電源装置。 - 直流電源の正極に一端が接続された昇圧用インダクタと、前記昇圧用インダクタの他端に一端が接続された第1のスイッチング素子と、前記昇圧用インダクタと前記第1のスイッチング素子の接続点と一端が接続された第1の整流素子と、前記第1の整流素子の他端に一端が接続された第1のキャパシタとを備えた正電圧出力回路と、
直流電源の負極に一端が接続された降圧用インダクタと、前記降圧用インダクタの他端に一端が接続された第2のスイッチング素子と、前記降圧用インダクタと前記第2のスイッチング素子の接続点と一端が接続された第2の整流素子と、前記第2の整流素子の他端に一端が接続された第2のキャパシタとを備えた負電圧出力回路と、
前記昇圧用インダクタの中間点に一端が接続された第3のキャパシタと、前記降圧用インダクタの中間点に一端が接続され、他端が前記第3のキャパシタの他端及び接地端に接続された第4のキャパシタとを有し、前記第1のスイッチング素子及び前記第2のスイッチング素子が動作したときに流れるスイッチング電流を加算する加算回路とを備え、
前記第1のキャパシタの他端と前記第2のキャパシタの他端とが接続されており、前記第1のスイッチング素子の他端と前記第4のキャパシタの一端は接続されており、前記第2のスイッチング素子の他端と前記第3のキャパシタの一端は接続されており、
前記正電圧出力回路と前記負電圧出力回路の回路特性が対称となるように構成されており、
前記正電圧出力回路のスイッチング電流と前記負電圧出力回路のスイッチング電流を互いに逆方向に発生させて前記加算回路に入力することを特徴とするスイッチング電源装置。 - 前記正電圧出力回路と前記負電圧出力回路は、前記直流電源電圧の1/2の電圧を基準に動作することを特徴とする請求項1又は請求項2に記載のスイッチング電源装置。
- 前記第1のスイッチング素子と前記第2のスイッチング素子は直列に接続されており、これらのスイッチング素子の接続点は前記直流電源電圧の1/2の電圧に維持されていることを特徴とする請求項1に記載のスイッチング電源装置。
- 前記昇圧用インダクタはセンタータップ・インダクタであることを特徴とする請求項1〜請求項4のいずれか1項に記載のスイッチング電源装置。
- 前記降圧用インダクタはセンタータップ・インダクタであることを特徴とする請求項1〜請求項4のいずれか1項に記載のスイッチング電源装置。
- 前記第1の整流素子及び前記第2の整流素子は、スイッチ素子で構成されていることを特徴とする請求項1〜請求項6のいずれか1項に記載のスイッチング電源装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2011028674A JP5732272B2 (ja) | 2011-02-14 | 2011-02-14 | スイッチング電源装置 |
US13/371,856 US9190905B2 (en) | 2011-02-14 | 2012-02-13 | Switching power supply device for noise reduction |
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JP2011028674A JP5732272B2 (ja) | 2011-02-14 | 2011-02-14 | スイッチング電源装置 |
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JP2012170215A JP2012170215A (ja) | 2012-09-06 |
JP2012170215A5 JP2012170215A5 (ja) | 2014-04-10 |
JP5732272B2 true JP5732272B2 (ja) | 2015-06-10 |
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Families Citing this family (32)
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US9088178B2 (en) | 2006-12-06 | 2015-07-21 | Solaredge Technologies Ltd | Distributed power harvesting systems using DC power sources |
US8013472B2 (en) | 2006-12-06 | 2011-09-06 | Solaredge, Ltd. | Method for distributed power harvesting using DC power sources |
US11309832B2 (en) | 2006-12-06 | 2022-04-19 | Solaredge Technologies Ltd. | Distributed power harvesting systems using DC power sources |
US8947194B2 (en) | 2009-05-26 | 2015-02-03 | Solaredge Technologies Ltd. | Theft detection and prevention in a power generation system |
US8531055B2 (en) | 2006-12-06 | 2013-09-10 | Solaredge Ltd. | Safety mechanisms, wake up and shutdown methods in distributed power installations |
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US11888387B2 (en) | 2006-12-06 | 2024-01-30 | Solaredge Technologies Ltd. | Safety mechanisms, wake up and shutdown methods in distributed power installations |
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PL2212983T3 (pl) | 2007-10-15 | 2021-10-25 | Ampt, Llc | Układy do wysoko wydajnej energii słonecznej |
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