JP2019106094A - 電流生成回路 - Google Patents
電流生成回路 Download PDFInfo
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- JP2019106094A JP2019106094A JP2017239343A JP2017239343A JP2019106094A JP 2019106094 A JP2019106094 A JP 2019106094A JP 2017239343 A JP2017239343 A JP 2017239343A JP 2017239343 A JP2017239343 A JP 2017239343A JP 2019106094 A JP2019106094 A JP 2019106094A
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- 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
- G05F3/26—Current mirrors
- G05F3/262—Current mirrors using field-effect transistors only
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- 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
-
- 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
-
- 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
- G05F3/26—Current mirrors
-
- 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
- G05F3/30—Regulators using the difference between the base-emitter voltages of two bipolar transistors operating at different current densities
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- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
- Amplifiers (AREA)
Abstract
Description
ゲートに第一のバイアス電圧が入力される第一のトランジスタと、前記第一のトランジスタのソースまたはドレインに接続された第一の抵抗とを備え、前記第一のトランジスタのソース電圧またはドレイン電圧と前記第一の抵抗の抵抗値に基づく第一の電流を出力する電流源回路と、
電圧入力端子を有し、ゲートに第二のバイアス電圧が入力される第二のトランジスタと、前記第二のトランジスタのソースに接続され、ゲートに前記電圧入力端子の電圧が入力される第三のトランジスタとを備え、前記第二のトランジスタのソース電圧と前記第三のトランジスタの抵抗値に基づく第二の電流を出力する電流制御回路と、
前記第一の抵抗と同じ種類の抵抗体で構成した第二の抵抗と、前記第二の抵抗と直列に接続され、ゲートとドレインが短絡された第四のトランジスタとを備え、前記第一の電流と前記第二の電流とが流れることによって前記電圧入力端子に入力される電圧である制御電圧を発生するインピーダンス回路とを備え、
前記第二の電流に基づく電流を出力することを特徴とする。
10 電流源回路
20 電流制御回路
30 インピーダンス回路
12、22 電圧源
17 電流源
Claims (4)
- ゲートに第一のバイアス電圧が入力される第一のトランジスタと、前記第一のトランジスタのソースまたはドレインに接続された第一の抵抗とを備え、前記第一のトランジスタのソース電圧またはドレイン電圧と前記第一の抵抗の抵抗値に基づく第一の電流を出力する電流源回路と、
電圧入力端子を有し、ゲートに第二のバイアス電圧が入力される第二のトランジスタと、前記第二のトランジスタのソースに接続され、ゲートに前記電圧入力端子の電圧が入力される第三のトランジスタとを備え、前記第二のトランジスタのソース電圧と前記第三のトランジスタの抵抗値に基づく第二の電流を出力する電流制御回路と、
前記第一の抵抗と同じ種類の抵抗体で構成した第二の抵抗と、前記第二の抵抗と直列に接続され、ゲートとドレインが短絡された第四のトランジスタとを備え、前記第一の電流と前記第二の電流とが流れることによって前記電圧入力端子に入力される電圧である制御電圧を発生するインピーダンス回路とを備え、
前記第二の電流に基づく電流を出力することを特徴とする電流生成回路。 - 前記第四のトランジスタをPN接合素子としたことを特徴とする請求項1に記載の電流生成回路。
- 前記第一のバイアス電圧は前記第一のトランジスタが弱反転動作する電圧であることを特徴とする請求項1または2に記載の電流生成回路。
- 前記第二のバイアス電圧は前記第二のトランジスタが弱反転動作する電圧であることを特徴とする請求項1または2に記載の電流生成回路。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017239343A JP6956619B2 (ja) | 2017-12-14 | 2017-12-14 | 電流生成回路 |
TW107140296A TWI801452B (zh) | 2017-12-14 | 2018-11-14 | 電流產生電路 |
KR1020180154570A KR102483031B1 (ko) | 2017-12-14 | 2018-12-04 | 전류 생성 회로 |
US16/220,762 US10503197B2 (en) | 2017-12-14 | 2018-12-14 | Current generation circuit |
CN201811533041.1A CN109960309B (zh) | 2017-12-14 | 2018-12-14 | 电流生成电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017239343A JP6956619B2 (ja) | 2017-12-14 | 2017-12-14 | 電流生成回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019106094A true JP2019106094A (ja) | 2019-06-27 |
JP6956619B2 JP6956619B2 (ja) | 2021-11-02 |
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JP2017239343A Active JP6956619B2 (ja) | 2017-12-14 | 2017-12-14 | 電流生成回路 |
Country Status (5)
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---|---|
US (1) | US10503197B2 (ja) |
JP (1) | JP6956619B2 (ja) |
KR (1) | KR102483031B1 (ja) |
CN (1) | CN109960309B (ja) |
TW (1) | TWI801452B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018027302A (ja) * | 2016-08-17 | 2018-02-22 | キャノンメディカルシステムズ株式会社 | 画像処理装置、磁気共鳴イメージング装置及び画像処理プログラム |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11353901B2 (en) | 2019-11-15 | 2022-06-07 | Texas Instruments Incorporated | Voltage threshold gap circuits with temperature trim |
JP2022156360A (ja) * | 2021-03-31 | 2022-10-14 | ザインエレクトロニクス株式会社 | 基準電流源 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6496057B2 (en) * | 2000-08-10 | 2002-12-17 | Sanyo Electric Co., Ltd. | Constant current generation circuit, constant voltage generation circuit, constant voltage/constant current generation circuit, and amplification circuit |
FR2814253B1 (fr) * | 2000-09-15 | 2002-11-15 | St Microelectronics Sa | Generateur de tension regulee pour circuit integre |
JP4034126B2 (ja) * | 2002-06-07 | 2008-01-16 | Necエレクトロニクス株式会社 | リファレンス電圧回路 |
JP2006018663A (ja) | 2004-07-02 | 2006-01-19 | Fujitsu Ltd | 電流安定化回路、電流安定化方法、及び固体撮像装置 |
JP2007200233A (ja) * | 2006-01-30 | 2007-08-09 | Nec Electronics Corp | ダイオードの非直線性を補償した基準電圧回路 |
US7557558B2 (en) * | 2007-03-19 | 2009-07-07 | Analog Devices, Inc. | Integrated circuit current reference |
JP2009141393A (ja) * | 2007-12-03 | 2009-06-25 | Nec Electronics Corp | 電圧電流変換回路、及び電圧制御発振回路 |
TWI427455B (zh) * | 2011-01-04 | 2014-02-21 | Faraday Tech Corp | 電壓調整器 |
JP2013089038A (ja) * | 2011-10-18 | 2013-05-13 | Renesas Electronics Corp | 基準電圧回路 |
CN103294100B (zh) * | 2013-06-01 | 2015-03-04 | 江苏芯力特电子科技有限公司 | 一种补偿电阻温漂系数的基准电流源电路 |
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2017
- 2017-12-14 JP JP2017239343A patent/JP6956619B2/ja active Active
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2018
- 2018-11-14 TW TW107140296A patent/TWI801452B/zh active
- 2018-12-04 KR KR1020180154570A patent/KR102483031B1/ko active IP Right Grant
- 2018-12-14 CN CN201811533041.1A patent/CN109960309B/zh active Active
- 2018-12-14 US US16/220,762 patent/US10503197B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018027302A (ja) * | 2016-08-17 | 2018-02-22 | キャノンメディカルシステムズ株式会社 | 画像処理装置、磁気共鳴イメージング装置及び画像処理プログラム |
Also Published As
Publication number | Publication date |
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US20190187739A1 (en) | 2019-06-20 |
CN109960309B (zh) | 2022-02-18 |
KR102483031B1 (ko) | 2022-12-29 |
JP6956619B2 (ja) | 2021-11-02 |
CN109960309A (zh) | 2019-07-02 |
TW201931045A (zh) | 2019-08-01 |
US10503197B2 (en) | 2019-12-10 |
TWI801452B (zh) | 2023-05-11 |
KR20190071590A (ko) | 2019-06-24 |
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