JP5498896B2 - 半導体チップ - Google Patents
半導体チップ Download PDFInfo
- Publication number
- JP5498896B2 JP5498896B2 JP2010189352A JP2010189352A JP5498896B2 JP 5498896 B2 JP5498896 B2 JP 5498896B2 JP 2010189352 A JP2010189352 A JP 2010189352A JP 2010189352 A JP2010189352 A JP 2010189352A JP 5498896 B2 JP5498896 B2 JP 5498896B2
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- JP
- Japan
- Prior art keywords
- current
- voltage
- reference voltage
- transistor
- semiconductor chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/575—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices characterised by the feedback circuit
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only
- G05F3/242—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage
Description
Claims (7)
- 第1の電流を消費する第1の動作モードと、前記第1の電流よりも大きな第2の電流を消費する第2の動作モードとを有する半導体チップであって、
第1の参照電圧を生成する参照電圧生成回路と、
第1の電流駆動能力を有し、前記第1の参照電圧に基づいて電源電圧を生成する第1のレギュレータと、
前記第1の参照電圧に応じたレベルの第2の参照電圧を生成する電圧バッファと、
第1の電流駆動能力よりも大きな第2の電流駆動能力を有し、前記第2の参照電圧に基づいて前記電源電圧を生成する第2のレギュレータと、
前記第1および第2のレギュレータによって生成された前記電源電圧によって駆動され、前記第1および第2の動作モードを実行する内部回路とを備え、
前記第1のレギュレータおよび前記電圧バッファは前記参照電圧生成回路の近傍に設けられ、前記第2のレギュレータは前記内部回路の近傍に設けられ、
前記電圧バッファおよび前記第2のレギュレータは前記第1の動作モード時に非活性化される、半導体チップ。 - さらに、定電流を発生し、それぞれ第1および第2の導電形式のトランジスタに前記定電流に応じたレベルの電流を流すための第1および第2のバイアス電圧を出力する電流源と、
前記第1および第2のバイアス電圧に基づいて定電圧を発生する電圧源とを備え、
前記参照電圧生成回路は前記定電圧に基づいて前記第1の参照電圧を生成し、
前記電流源および前記電圧源は前記参照電圧生成回路の近傍に設けられている、請求項1に記載の半導体チップ。 - 前記参照電圧生成回路は、前記第1および第2のバイアス電圧のうちの少なくとも一方のバイアス電圧に基づいて動作する、請求項2に記載の半導体チップ。
- さらに、前記第1のバイアス電圧に応じたレベルの第3のバイアス電圧を生成する電流バッファを備え、
前記第1および第2のレギュレータは、それぞれ前記第1および第3のバイアス電圧に基づいて動作し、
前記電流バッファは、前記参照電圧生成回路の近傍に設けられ、前記第1の動作モード時に非活性化される、請求項2または請求項3に記載の半導体チップ。 - 前記第1のレギュレータは、
前記第1のバイアス電圧に基づいて、前記第2の導電形式のトランジスタに前記定電流に応じたレベルの電流を流すための第4のバイアス電圧を生成し、
前記第1および第4のバイアス電圧に基づいて動作する、請求項4に記載の半導体チップ。 - 前記第2のレギュレータは、
前記第3のバイアス電圧に基づいて、前記第2の導電形式のトランジスタに前記定電流に応じたレベルの電流を流すための第5のバイアス電圧を生成し、
前記第3および第5のバイアス電圧に基づいて動作する、請求項4または請求項5に記載の半導体チップ。 - 前記電流源は、前記第1の動作モード時は、第1のレベルの前記定電流を発生し、前記第2の動作モード時は、前記第1のレベルよりも大きな第2のレベルの前記定電流を発生する、請求項2から請求項6までのいずれかに記載の半導体チップ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010189352A JP5498896B2 (ja) | 2010-08-26 | 2010-08-26 | 半導体チップ |
US13/184,030 US8378739B2 (en) | 2010-08-26 | 2011-07-15 | Semiconductor chip |
CN201110234193.3A CN102385404B (zh) | 2010-08-26 | 2011-08-10 | 半导体芯片 |
CN201510266222.2A CN104932599B (zh) | 2010-08-26 | 2011-08-10 | 半导体芯片 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010189352A JP5498896B2 (ja) | 2010-08-26 | 2010-08-26 | 半導体チップ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012048452A JP2012048452A (ja) | 2012-03-08 |
JP5498896B2 true JP5498896B2 (ja) | 2014-05-21 |
Family
ID=45696322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010189352A Expired - Fee Related JP5498896B2 (ja) | 2010-08-26 | 2010-08-26 | 半導体チップ |
Country Status (3)
Country | Link |
---|---|
US (1) | US8378739B2 (ja) |
JP (1) | JP5498896B2 (ja) |
CN (2) | CN102385404B (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8884685B1 (en) * | 2013-08-19 | 2014-11-11 | Entropic Communications, Inc. | Adaptive dynamic voltage scaling system and method |
CN103929060B (zh) * | 2014-04-17 | 2017-05-10 | 卓荣集成电路科技有限公司 | 降压变换电路 |
CN106464133B (zh) * | 2014-05-23 | 2019-04-26 | 高通股份有限公司 | 前馈偏置电路 |
US9906221B1 (en) * | 2016-12-30 | 2018-02-27 | Delta Electronics, Inc. | Driving circuit of a power circuit |
US10666246B2 (en) | 2016-12-30 | 2020-05-26 | Delta Electronics, Inc. | Driving circuit and a desaturation circuit of a power circuit |
US10819332B2 (en) | 2016-12-30 | 2020-10-27 | Delta Electronics, Inc. | Driving circuit of a power circuit and a package structure thereof |
US10637459B2 (en) | 2016-12-30 | 2020-04-28 | Delta Electronics, Inc. | Driving circuit and an under-voltage lockout circuit of a power circuit |
CN112000169B (zh) * | 2020-09-02 | 2022-03-11 | 恒烁半导体(合肥)股份有限公司 | 一种电流缓冲器电路及其应用 |
EP4033661B1 (en) | 2020-11-25 | 2024-01-24 | Changxin Memory Technologies, Inc. | Control circuit and delay circuit |
US11681313B2 (en) | 2020-11-25 | 2023-06-20 | Changxin Memory Technologies, Inc. | Voltage generating circuit, inverter, delay circuit, and logic gate circuit |
EP4033312A4 (en) * | 2020-11-25 | 2022-10-12 | Changxin Memory Technologies, Inc. | CONTROL CIRCUIT AND DELAY CIRCUIT |
EP4033664B1 (en) | 2020-11-25 | 2024-01-10 | Changxin Memory Technologies, Inc. | Potential generation circuit, inverter, delay circuit, and logic gate circuit |
WO2022261081A1 (en) * | 2021-06-07 | 2022-12-15 | Texas Instruments Incorporated | Temperature drift correction in a voltage reference |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2727809B2 (ja) * | 1991-08-26 | 1998-03-18 | 日本電気株式会社 | 半導体集積回路 |
US6114843A (en) * | 1998-08-18 | 2000-09-05 | Xilinx, Inc. | Voltage down converter for multiple voltage levels |
JP2001211640A (ja) | 2000-01-20 | 2001-08-03 | Hitachi Ltd | 電子装置と半導体集積回路及び情報処理システム |
US6201380B1 (en) * | 2000-01-21 | 2001-03-13 | Mitsubishi Denki Kabushiki Kaisha | Constant current/constant voltage generation circuit with reduced noise upon switching of operation mode |
JP4743938B2 (ja) * | 2000-06-12 | 2011-08-10 | ルネサスエレクトロニクス株式会社 | 半導体集積回路装置 |
JP4786015B2 (ja) * | 2000-07-04 | 2011-10-05 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP2002042467A (ja) * | 2000-07-21 | 2002-02-08 | Mitsubishi Electric Corp | 電圧降圧回路およびそれを備える半導体集積回路装置 |
KR100452327B1 (ko) * | 2002-07-08 | 2004-10-12 | 삼성전자주식회사 | 반도체 메모리 장치의 내부 전원 전압 발생회로 |
JP2004133800A (ja) * | 2002-10-11 | 2004-04-30 | Renesas Technology Corp | 半導体集積回路装置 |
JP2005122574A (ja) * | 2003-10-17 | 2005-05-12 | Renesas Technology Corp | 半導体集積回路 |
JP4489485B2 (ja) * | 2004-03-31 | 2010-06-23 | 株式会社ルネサステクノロジ | 半導体装置 |
KR100623614B1 (ko) * | 2004-10-29 | 2006-09-19 | 주식회사 하이닉스반도체 | 반도체 기억 소자에서의 내부전원 발생기 |
JP2007094540A (ja) * | 2005-09-27 | 2007-04-12 | Ricoh Co Ltd | 半導体装置 |
KR100792441B1 (ko) * | 2006-06-30 | 2008-01-10 | 주식회사 하이닉스반도체 | 반도체 메모리 장치 |
JP5054370B2 (ja) * | 2006-12-19 | 2012-10-24 | ルネサスエレクトロニクス株式会社 | 半導体チップ |
JP4306768B2 (ja) * | 2007-06-18 | 2009-08-05 | エプソンイメージングデバイス株式会社 | 電気光学装置及び電子機器 |
JP2009060702A (ja) * | 2007-08-30 | 2009-03-19 | Sanyo Electric Co Ltd | チャージポンプ式昇圧回路 |
JP5467736B2 (ja) * | 2008-06-23 | 2014-04-09 | ルネサスエレクトロニクス株式会社 | 半導体集積回路 |
JP5374120B2 (ja) * | 2008-11-14 | 2013-12-25 | ルネサスエレクトロニクス株式会社 | 半導体集積回路装置 |
EP2498161B1 (en) * | 2011-03-07 | 2020-02-19 | Dialog Semiconductor GmbH | Power efficient generation of band gap referenced supply rail, voltage and current references, and method for dynamic control. |
-
2010
- 2010-08-26 JP JP2010189352A patent/JP5498896B2/ja not_active Expired - Fee Related
-
2011
- 2011-07-15 US US13/184,030 patent/US8378739B2/en active Active
- 2011-08-10 CN CN201110234193.3A patent/CN102385404B/zh not_active Expired - Fee Related
- 2011-08-10 CN CN201510266222.2A patent/CN104932599B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8378739B2 (en) | 2013-02-19 |
CN102385404B (zh) | 2015-06-17 |
US20120049899A1 (en) | 2012-03-01 |
JP2012048452A (ja) | 2012-03-08 |
CN104932599B (zh) | 2017-06-06 |
CN102385404A (zh) | 2012-03-21 |
CN104932599A (zh) | 2015-09-23 |
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