JP5965905B2 - Dc−dcコンバータ - Google Patents
Dc−dcコンバータ Download PDFInfo
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- JP5965905B2 JP5965905B2 JP2013527192A JP2013527192A JP5965905B2 JP 5965905 B2 JP5965905 B2 JP 5965905B2 JP 2013527192 A JP2013527192 A JP 2013527192A JP 2013527192 A JP2013527192 A JP 2013527192A JP 5965905 B2 JP5965905 B2 JP 5965905B2
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- voltage
- transistor
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- integrated circuit
- voltage converter
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- 238000004891 communication Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- 230000005669 field effect Effects 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000013459 approach Methods 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
-
- 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
-
- 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)
- Direct Current Feeding And Distribution (AREA)
Description
system for mobile communication)ブロック130、アプリケーションブロック160、メモリ170、ディスプレイ180、及び入力/出力(I/O)ブロック150を含む。図1の携帯電話100の構成要素/ブロックは単に例示の目的で示されている。携帯電話100は、より多くの又はより少ない構成要素/ブロックを含んでいてもよく、他の技術に従って実装されてもよい。例えば、携帯電話100は、GSM技術ではなく符号分割多元接続(CDMA)技術に従って実装されてもよい。更に、後述するDC−DCコンバータにおいて電力消費を低減するための手法を、他のデバイスにおいて及び他の環境において適用することもできる。
limit)を超える電圧応力を受けることになり得る(安全閾値より大きい)値であり得る。バイアストランジスタ230がない場合、トランジスタ220は、CMOSインバータ構成においてトランジスタ240に直列に直接接続され得る。安全閾値を超える電源電圧201の利用は、端子対(ゲート・ソース、ドレイン・ソースなど)が安全限界を超える電圧を受けるようにさせ得る。一例と共に更に説明するため、バイアストランジスタ230が存在せず図2に示すように接続されず、かつ、電源電圧201が3.6ボルトの値を有すると仮定すると、トランジスタ220のゲート及びソース端子の電圧は1.8の値を有し得る。トランジスタ220のゲート及びドレイン端子の電圧は、トランジスタ220がOFFであり、かつ、トランジスタ240がONであるとき、3.6Vとなる。このような信頼性の問題は、電圧201が例えば、4.8Vなど、より高い場合に更に大きな懸念となり得る。
Iavg=[(Iqh×Tsw)+(Iql×Tnsw)]/[(Tsw+Tnsw)] (1)
ここで、Iavgは平均電流を表し、Tswはスイッチングインタバルの期間を表し、Tnswはノンスイッチングインタバルの期間を表す。
Claims (6)
- 集積回路DC−DC電圧コンバータであって、
DC電源リード及び接地リードと、
出力リードと、
前記DC電源リードと前記接地リードとの間に直列に接続される第1のトランジスタと第2のトランジスタとバイアストランジスタであって、前記バイアストランジスタが前記第1のトランジスタと前記第2のトランジスタとの間に接続され、前記出力リードが前記バイアストランジスタと前記第2のトランジスタとの間に接続され、前記第1、第2及びバイアストランジスタの各々が制御リードを有し、前記第1及び第2のトランジスタの前記制御リードの各々が前記第1及び第2のトランジスタをターンオン及びターンオフするためのスイッチング信号を受信して前記出力リード上に上限電圧と下限電圧との間の所望のDC電圧を発生し、前記バイアストランジスタが、前記第1のトランジスタが安全限界を超える電圧を受けないようにする、前記第1のトランジスタと前記第2のトランジスタと前記バイアストランジスタと、
リファレンス電圧に結合される1つの入力と、別の入力と、出力とを有するユニティゲインフィードバック増幅器であって、別の入力が前記出力に接続され、前記出力が前記バイアストランジスタの前記制御リードに接続される、前記ユニティゲインフィードバック増幅器と、
を含む、集積回路DC−DC電圧コンバータ。 - 請求項1に記載の集積回路DC−DC電圧コンバータであって、
前記第1のトランジスタと前記第2のトランジスタとが、ドレイン・エンハンスト・パワー金属酸化物半導体電界効果トランジスタ(MOSFET)であり、ウルトラ・ディープ・サブミクロン(UDSM)CMOSプロセスにおける低電圧技術を用いて実装される、集積回路DC−DC電圧コンバータ。 - 請求項1に記載の集積回路DC−DC電圧コンバータであって、
集積回路の外部で前記出力リードに接続されるキャパシタとインダクタとを含む、集積回路DC−DC電圧コンバータ。 - 請求項1に記載の集積回路DC−DC電圧コンバータであって、
前記リファレンス電圧が非反転入力端子に接続され、前記出力が反転入力端子に接続される、集積回路DC−DC電圧コンバータ。 - 請求項1に記載の集積回路DC−DC電圧コンバータであって、
上限電圧入力と、下限電圧入力と、前記出力リードに接続される入力と、低電力入力と、論理信号制御出力とを有する制御ブロックを含み、
前記ユニティゲインフィードバック増幅器が、前記ユニティゲインフィードバック増幅器を低電力(低電流消費)モード又はフル電力(ノーマル)モードに設定するための論理信号制御入力を有し、前記論理信号制御入力が前記論理信号制御出力に接続される、集積回路DC−DC電圧コンバータ。 - 請求項4に記載の集積回路DC−DC電圧コンバータであって、
前記出力リードに接続される入力と、前記ユニティゲインフィードバック増幅器を介して前記バイアストランジスタに結合される出力とを有する通信ブロックを含む、集積回路DC−DC電圧コンバータ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/870,868 | 2010-08-30 | ||
US12/870,868 US8487598B2 (en) | 2010-08-30 | 2010-08-30 | DC-DC converter with unity-gain feedback amplifier driving bias transistor |
PCT/US2011/049736 WO2012030824A2 (en) | 2010-08-30 | 2011-08-30 | Dc-dc converter |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013539341A JP2013539341A (ja) | 2013-10-17 |
JP2013539341A5 JP2013539341A5 (ja) | 2014-10-16 |
JP5965905B2 true JP5965905B2 (ja) | 2016-08-10 |
Family
ID=45696273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013527192A Active JP5965905B2 (ja) | 2010-08-30 | 2011-08-30 | Dc−dcコンバータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US8487598B2 (ja) |
JP (1) | JP5965905B2 (ja) |
CN (1) | CN103430439B (ja) |
WO (1) | WO2012030824A2 (ja) |
Families Citing this family (12)
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US8947125B2 (en) | 2013-02-21 | 2015-02-03 | Qualcomm Incorporated | Fast, low power comparator with dynamic bias background |
KR102251992B1 (ko) * | 2014-02-28 | 2021-05-14 | 삼성전자주식회사 | 전류를 제어하는 방법과 전자 장치 |
US9699848B2 (en) | 2014-12-17 | 2017-07-04 | Infineon Technologies Austria Ag | System and method for a switched-mode power supply |
US9685863B2 (en) * | 2014-12-31 | 2017-06-20 | Texas Instruments Incorporated | Fast mode transitions in a power converter |
FR3032309B1 (fr) * | 2015-02-02 | 2017-06-23 | St Microelectronics Alps Sas | Circuit de regulation de tension adapte aux fortes et faibles puissances |
JP6465992B2 (ja) * | 2015-10-16 | 2019-02-06 | ローム株式会社 | Dc/dcコンバータおよびその制御回路、システム電源 |
DE102015118905B4 (de) * | 2015-11-04 | 2018-08-30 | Infineon Technologies Ag | Spannungsregler |
CN106919211B (zh) * | 2015-12-28 | 2018-10-02 | 台达电子企业管理(上海)有限公司 | 电子装置 |
CN106549578B (zh) * | 2016-12-21 | 2019-10-11 | 湖南国科微电子股份有限公司 | 多模式电源管理系统 |
KR20180093451A (ko) * | 2017-02-13 | 2018-08-22 | 삼성전자주식회사 | 전력 소모를 감소한 역전압 모니터링 회로 및 이를 포함하는 반도체 장치 |
CN108736463A (zh) * | 2017-04-24 | 2018-11-02 | 通用电气公司 | 井下发电系统及方法 |
CN110932351B (zh) * | 2019-12-03 | 2021-11-26 | 苏州东能达石墨烯科技有限公司 | 一种主动式智能安全充电装置及方法 |
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-
2010
- 2010-08-30 US US12/870,868 patent/US8487598B2/en active Active
-
2011
- 2011-08-30 CN CN201180037169.9A patent/CN103430439B/zh active Active
- 2011-08-30 WO PCT/US2011/049736 patent/WO2012030824A2/en active Application Filing
- 2011-08-30 JP JP2013527192A patent/JP5965905B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
CN103430439A (zh) | 2013-12-04 |
WO2012030824A3 (en) | 2012-05-03 |
CN103430439B (zh) | 2016-01-20 |
JP2013539341A (ja) | 2013-10-17 |
WO2012030824A2 (en) | 2012-03-08 |
US20120049815A1 (en) | 2012-03-01 |
US8487598B2 (en) | 2013-07-16 |
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