JP6603411B2 - Dc/dcコンバータおよび電子機器 - Google Patents
Dc/dcコンバータおよび電子機器 Download PDFInfo
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- JP6603411B2 JP6603411B2 JP2018522209A JP2018522209A JP6603411B2 JP 6603411 B2 JP6603411 B2 JP 6603411B2 JP 2018522209 A JP2018522209 A JP 2018522209A JP 2018522209 A JP2018522209 A JP 2018522209A JP 6603411 B2 JP6603411 B2 JP 6603411B2
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- power supply
- output power
- phase
- supply wiring
- converter
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- 238000001514 detection method Methods 0.000 claims description 31
- 239000003990 capacitor Substances 0.000 claims description 29
- 238000010586 diagram Methods 0.000 description 16
- 238000012986 modification Methods 0.000 description 11
- 230000004048 modification Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000010410 layer Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000003985 ceramic capacitor Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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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
- H02M3/10—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
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Description
Vsi=Ri×Icoili …(1)
したがって直流抵抗Riをあらかじめ測定し、あるいはシミュレーションによって計算しておくことにより、式(2)にしたがい電圧降下Vsiにもとづいてコイル電流Icoiliを検知できる。
Icoili=Vsi/Ri …(2)
Icoili=Vsi/(α×Ri) …(3)
あるいはα×Riに相当する抵抗値をシミュレーション等にもとづいて計算し、あるいは実測してもよい。
出力電源配線130は銅を主成分とする場合が多く、その抵抗率は温度依存性を有する。上述のように、出力電源配線130は、発熱体であるハイサイドトランジスタMH、ローサイドトランジスタMLから離れているため、温度の変化の影響は受け難いといえるが、負荷であるプロセッサの発熱が大きい場合には、出力電源配線130の枝部分br1,br2の直流抵抗R1,R2が、無視できない温度依存性を有する可能性がある。
実施の形態ではN=2フェーズを説明したが、フェーズ数Nはそれに限定されず、N=3,4,6,8,10,12等と、任意の数を取りうる。図8は、4フェーズのDC/DCコンバータ100bの一部のレイアウト図である。出力電源配線130bは、合流部分132と、4フェーズに対応する4本の枝部分br1〜br4を備える。隣接する2本の枝部分brの間には、スリット142が形成される。枝部分br1,br2の出力端子104側の電圧検出点134は共通化されており、枝部分br3,br4の出力端子104側の電圧検出点135が共通化される。
実施の形態では、出力電源配線130を単層配線として説明したが多層配線であってもよい。この場合、出力電源配線130は各層において分岐していてもよい。多層化することで、出力電源配線130のインピーダンスを下げることができる。またフェーズごとに、複数の層の同じフェーズの枝部分の合成インピーダンスの抵抗値を利用して、コイル電流を検出できる。
図4の第1出力キャパシタCsおよび第2出力キャパシタCdのいずれか一方を省略してもよい。
Claims (7)
- Nフェーズ(Nは2以上の整数)のマルチフェーズDC/DCコンバータであって、
フェーズごとに設けられたハイサイドトランジスタ、ローサイドトランジスタおよびインダクタと、
N個のインダクタそれぞれの負荷側端と負荷を接続する出力電源配線と、
を備え、
前記出力電源配線は、前記負荷から前記N個のインダクタの負荷側端に向かって枝分かれしており、
各フェーズの前記インダクタに流れるコイル電流が、前記出力電源配線の当該フェーズに対応する枝部分の電圧降下にもとづいて検出され、
前記出力電源配線は、前記N個のインダクタそれぞれの負荷側端と負荷を接続する枝分かれのない仮想電源配線を規定したとき、当該仮想電源配線に、隣接するインダクタの間から前記負荷に向かってスリットを入れた形状を有することを特徴とするDC/DCコンバータ。 - 前記Nフェーズのうち隣接する2フェーズに関して、前記枝部分の前記負荷側の電圧検出点が共通化されていることを特徴とする請求項1に記載のDC/DCコンバータ。
- 前記NフェーズのN個の枝部分の抵抗値は等しいことを特徴とする請求項1または2に記載のDC/DCコンバータ。
- 前記出力電源配線のN個の枝部分にはそれぞれ、フェーズごとの第1出力キャパシタが接続されることを特徴とする請求項1から3のいずれかに記載のDC/DCコンバータ。
- 前記出力電源配線の負荷側の合流部分には、全フェーズで共通の第2出力キャパシタが接続されることを特徴とする請求項1から4のいずれかに記載のDC/DCコンバータ。
- 前記出力電源配線は多層配線であり、各層において分岐していることを特徴とする請求項1から5のいずれかに記載のDC/DCコンバータ。
- 請求項1から6のいずれかに記載のDC/DCコンバータを備えることを特徴とする電子機器。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/066960 WO2017212554A1 (ja) | 2016-06-07 | 2016-06-07 | Dc/dcコンバータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017212554A1 JPWO2017212554A1 (ja) | 2019-04-04 |
JP6603411B2 true JP6603411B2 (ja) | 2019-11-06 |
Family
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Family Applications (1)
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JP2018522209A Active JP6603411B2 (ja) | 2016-06-07 | 2016-06-07 | Dc/dcコンバータおよび電子機器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11018588B2 (ja) |
JP (1) | JP6603411B2 (ja) |
WO (1) | WO2017212554A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6835788B2 (ja) | 2018-10-19 | 2021-02-24 | 株式会社ソニー・インタラクティブエンタテインメント | 電源装置 |
JP7250474B2 (ja) * | 2018-10-19 | 2023-04-03 | 株式会社ソニー・インタラクティブエンタテインメント | 電源装置 |
US20230327549A1 (en) * | 2022-04-11 | 2023-10-12 | Hamilton Sundstrand Corporation | Rate limiting for buck converters |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6144194A (en) * | 1998-07-13 | 2000-11-07 | Linear Technology Corp. | Polyphase synchronous switching voltage regulators |
US6683441B2 (en) * | 2001-11-26 | 2004-01-27 | Analog Devices, Inc. | Multi-phase switching regulator |
DE10164441A1 (de) | 2001-12-29 | 2003-07-10 | Raymond A & Cie | Befestigungselement zum Einsetzen in ein Langloch einer Trägerplatte |
JP4052948B2 (ja) | 2002-01-15 | 2008-02-27 | ローム株式会社 | マルチフェーズ型dc/dcコンバータ |
JP4347231B2 (ja) * | 2005-01-27 | 2009-10-21 | 富士通マイクロエレクトロニクス株式会社 | マルチフェーズdc−dcコンバータ及びマルチフェーズdc−dcコンバータの制御回路 |
JP2007236126A (ja) * | 2006-03-02 | 2007-09-13 | Sharp Corp | 電源装置およびこれを用いた電子機器 |
US8400778B2 (en) * | 2010-02-02 | 2013-03-19 | Monolithic Power Systems, Inc. | Layout schemes and apparatus for multi-phase power switch-mode voltage regulator |
US8552704B2 (en) * | 2011-04-05 | 2013-10-08 | Maxim Integrated Products, Inc. | Current share compensation design |
JP2013162585A (ja) | 2012-02-02 | 2013-08-19 | Sony Computer Entertainment Inc | Dc/dcコンバータ |
US20140265563A1 (en) * | 2013-03-15 | 2014-09-18 | Henry W. Schrader | Hierarchical power conditioning and distribution array |
JP6162510B2 (ja) * | 2013-07-03 | 2017-07-12 | 株式会社ソニー・インタラクティブエンタテインメント | 降圧dc/dcコンバータ、そのコントローラおよび制御方法、ならびにそれを用いた電子機器 |
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2016
- 2016-06-07 WO PCT/JP2016/066960 patent/WO2017212554A1/ja active Application Filing
- 2016-06-07 US US16/309,167 patent/US11018588B2/en active Active
- 2016-06-07 JP JP2018522209A patent/JP6603411B2/ja active Active
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Publication number | Publication date |
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US20200099304A1 (en) | 2020-03-26 |
JPWO2017212554A1 (ja) | 2019-04-04 |
US11018588B2 (en) | 2021-05-25 |
WO2017212554A1 (ja) | 2017-12-14 |
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