JP7342900B2 - 電圧変換器 - Google Patents
電圧変換器 Download PDFInfo
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- 238000006243 chemical reaction Methods 0.000 claims description 100
- 238000001514 detection method Methods 0.000 claims description 31
- 238000010586 diagram Methods 0.000 description 32
- 230000001939 inductive effect Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 230000001965 increasing effect Effects 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003985 ceramic capacitor Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RGCLLPNLLBQHPF-HJWRWDBZSA-N phosphamidon Chemical compound CCN(CC)C(=O)C(\Cl)=C(/C)OP(=O)(OC)OC RGCLLPNLLBQHPF-HJWRWDBZSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
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- 230000003071 parasitic effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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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
- H02M3/02—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
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
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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
- H02M1/0003—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
- H02M1/0016—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters
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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
- H02M1/0043—Converters switched with a phase shift, i.e. interleaved
-
- 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
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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
- H02M1/0095—Hybrid converter topologies, e.g. NPC mixed with flying capacitor, thyristor converter mixed with MMC or charge pump mixed with buck
-
- 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
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- 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
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of 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
- H02M1/0048—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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/01—Resonant DC/DC converters
- H02M3/015—Resonant DC/DC converters with means for adaptation of resonance frequency, e.g. by modification of capacitance or inductance of resonance circuit
-
- 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
- H02M3/1584—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 with a plurality of power processing stages connected in parallel
- H02M3/1586—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 with a plurality of power processing stages connected in parallel switched with a phase shift, i.e. interleaved
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- Dc-Dc Converters (AREA)
Description
図1は、第1の実施形態に係る電圧変換器1のブロック図である。電圧変換器1は、入力電圧Vinを入力し、入力電圧Vinを出力電圧Voutに変換して出力する容量性電圧変換回路部10と、出力キャパシタCoutと、容量性電圧変換回路部10と出力キャパシタCoutとの間に直列に接続されたインダクタLxと、容量性電圧変換回路部10の出力部に設けられた中間キャパシタCxと、電圧検出部13と、制御部17と、を備える。
第2の実施形態では、フライングキャパシタ及びスイッチの構成を部分的に共用した電圧変換器について例示する。
第3の実施形態では、誘導性コンバータを備える電圧変換器について例示する。
第4の実施形態では、複数の容量性電圧変換回路部を備える電圧変換器と、複数の容量性電圧変換回路部の主要部を備える電圧変換器について例示する。
第5の実施形態では、中間キャパシタCxとインダクタLxとの接続点であるノードの電圧Vxと入力電圧Vinとを変数とする関数で決定されるしきい値とで電圧Vxとの比較によって容量性電圧変換回路の制御を行う電圧変換器について例示する。
Vth(t) = Vin/ DIVN - 100mVである。
各実施形態では2つのディクソン型回路を並列接続してインターリーブ駆動する例を説明したが、単一のシリーズパラレルチャージポンプ回路を用いることができる。また、単相や二相以外に、多相(マルチフェーズ)の容量性電圧変換回路を構成することも可能である。
CIN…合成キャパシタ
COUT…キャパシタ
Cout…出力キャパシタ
Cx…中間キャパシタ
Ih…共振電流
Iin…入力電流
Iout…出力電流
Is…スイッチング電流
Lx…インダクタ
Nx…ノード
Q11…整流スイッチ素子
Q12…転流スイッチ素子
RL…負荷
S111,S112,S113,S114,S115,S116,S117…スイッチ素子
S121,S122,S123,S124,S125,S126,S127…スイッチ素子
Th…共振周期
TN…オン周期
Vin…入力電圧
Vout…出力電圧
Vth…しき値電圧
Vx…ノードの電圧
1,1A,1B,1C…電圧変換器
2,3…電圧変換器
9,10…容量性電圧変換回路部
11…第1容量性電圧変換回路
12…第2容量性電圧変換回路
13…電圧検出部
13A…参照電圧生成回路
13B…比較回路
17…制御部
20…LC回路
30…誘導性降圧コンバータ
31…ドライバ
101…入力端子
201…出力端子
Claims (10)
- 入力電圧を入力し、前記入力電圧を出力電圧に変換して出力する容量性電圧変換回路部と、出力キャパシタと、前記容量性電圧変換回路部と前記出力キャパシタとの間に直列に接続されたインダクタと、電圧検出部と、制御部と、を備え、
前記容量性電圧変換回路部は、複数のスイッチと、少なくとも一つのフライングキャパシタと、出力部に設けられた中間キャパシタと、を含み、
前記電圧検出部は、前記中間キャパシタと前記インダクタとの接続点であるノードの電圧を検出し、
前記制御部は、前記ノードの電圧としきい値電圧との比較に応じ、前記スイッチが少なくとも2つの状態を往来するように前記スイッチを制御する、
電圧変換器。 - 前記制御部は、最高周波数と最低周波数とを含む条件により設定される周波数で前記スイッチを制御し、
前記最低周波数は、前記少なくとも一つのフライングキャパシタと、前記中間キャパシタと、前記インダクタと、前記出力キャパシタとにより決定される共振周波数より低い周波数に設定される、
請求項1に記載の電圧変換器。 - 軽負荷時に前記共振周波数よりも低い周波数で駆動するよう、前記しきい値電圧が設定されている、
請求項2に記載の電圧変換器。 - 前記制御部は、最高周波数と最低周波数とを含む条件により設定される周波数で前記スイッチを制御し、
前記最高周波数は、前記少なくとも一つのフライングキャパシタと、前記中間キャパシタと、前記インダクタと、前記出力キャパシタとにより決定される共振周波数より高い周波数に設定される、
請求項1に記載の電圧変換器。 - 前記中間キャパシタのキャパシタンスは、前記フライングキャパシタのキャパシタンスより小さく、前記フライングキャパシタのキャパシタンスは前記出力キャパシタのキャパシタンスより小さい、
請求項1から4のいずれかに記載の電圧変換器。 - 前記しきい値は、前記電圧検出部による検出結果としきい値との比較結果が反転してからの時間経過とともに、前記ノードの電圧の変化方向とは逆方向に変化する、
請求項1から5のいずれかに記載の電圧変換器。 - 前記電圧検出部は、前記ノードの電圧と前記入力電圧との差に関する電圧を検出する、
請求項1から6のいずれかに記載の電圧変換器。 - 前記容量性電圧変換回路部及び前記インダクタはそれぞれ複数存在し、前記複数の容量性電圧変換回路部の入力部が並列に接続されていて、前記複数のインダクタの出力側が並列に接続されている、
請求項1から7のいずれかに記載の電圧変換器。 - 入力電圧を入力し、前記入力電圧をそれぞれに出力電圧に変換して出力する複数の容量性電圧変換回路部と、共通の出力キャパシタと、前記複数の容量性電圧変換回路部と前記出力キャパシタとの間にそれぞれ直列に接続されたインダクタと、前記容量性電圧変換回路部ごとに設けられた電圧検出部及び制御部と、を備え、
前記容量性電圧変換回路部は、複数のスイッチと、少なくとも一つのフライングキャパシタと、出力部に設けられた中間キャパシタと、を含み、
複数の前記電圧検出部は、前記中間キャパシタと前記インダクタとの接続点であるノードの電圧をそれぞれ検出し、
前記容量性電圧変換回路部ごとに設けられた前記制御部は、前記電圧検出部の検出結果と、しきい値との比較に応じ、前記スイッチが少なくとも2つの状態を往来するように前記容量性電圧変換回路部ごとに設けられた前記スイッチを制御する、
電圧変換器。 - 前記容量性電圧変換回路部は偶数存在し、当該偶数の容量性電圧変換回路部が並列に接続され、前記入力電圧の入力端子は共通であり、前記出力電圧の出力端子は共通であり、前記容量性電圧変換回路部は、前記複数のスイッチの接続状態によって、少なくとも第1接続状態と第2接続状態とを有し、
前記第1接続状態における、前記容量性電圧変換回路部の前記中間キャパシタ、前記出力キャパシタ及び前記インダクタにより定まる第1共振周波数と、前記第2接続状態における、前記容量性電圧変換回路部の前記中間キャパシタ、前記出力キャパシタ及び前記インダクタにより定まる第2共振周波数とは等しい、
請求項8又は9に記載の電圧変換器。
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CN202111617608.5A CN114977779A (zh) | 2021-02-26 | 2021-12-27 | 电压变换器 |
US17/570,403 US11936292B2 (en) | 2021-02-26 | 2022-01-07 | Combined feedforward and feedback control of a switched capacitor converter |
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TWI778564B (zh) * | 2021-03-31 | 2022-09-21 | 新唐科技股份有限公司 | 功率轉換器 |
Citations (3)
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JP2004248374A (ja) | 2003-02-12 | 2004-09-02 | Fuji Electric Device Technology Co Ltd | スイッチングレギュレータ |
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WO2018066444A1 (ja) | 2016-10-06 | 2018-04-12 | 株式会社村田製作所 | Dc-dcコンバータ |
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CN101095276B (zh) * | 2005-01-14 | 2011-09-07 | 半导体元件工业有限责任公司 | 直流-直流转换器及其方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004248374A (ja) | 2003-02-12 | 2004-09-02 | Fuji Electric Device Technology Co Ltd | スイッチングレギュレータ |
JP2006187171A (ja) | 2004-12-28 | 2006-07-13 | Mitsumi Electric Co Ltd | スイッチング電源装置 |
WO2018066444A1 (ja) | 2016-10-06 | 2018-04-12 | 株式会社村田製作所 | Dc-dcコンバータ |
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US20220278611A1 (en) | 2022-09-01 |
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CN114977779A (zh) | 2022-08-30 |
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