JP2017526247A5 - - Google Patents

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Publication number
JP2017526247A5
JP2017526247A5 JP2017500914A JP2017500914A JP2017526247A5 JP 2017526247 A5 JP2017526247 A5 JP 2017526247A5 JP 2017500914 A JP2017500914 A JP 2017500914A JP 2017500914 A JP2017500914 A JP 2017500914A JP 2017526247 A5 JP2017526247 A5 JP 2017526247A5
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JP
Japan
Prior art keywords
circuit
amplifier
capacitor
output
configuration
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.)
Pending
Application number
JP2017500914A
Other languages
English (en)
Japanese (ja)
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JP2017526247A (ja
Filing date
Publication date
Priority claimed from US14/329,615 external-priority patent/US9444414B2/en
Application filed filed Critical
Publication of JP2017526247A publication Critical patent/JP2017526247A/ja
Publication of JP2017526247A5 publication Critical patent/JP2017526247A5/ja
Pending legal-status Critical Current

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JP2017500914A 2014-07-11 2015-06-26 Ｄｃオフセット自動ゼロ化を有するシングルオペアンプを使用した電流感知回路 Pending JP2017526247A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/329,615 US9444414B2 (en) 2014-07-11 2014-07-11 Current sense circuit using a single opamp having DC offset auto-zeroing
US14/329,615 2014-07-11
PCT/US2015/038126 WO2016007316A1 (en) 2014-07-11 2015-06-26 Current sense circuit using a single opamp having dc offset auto-zeroing

Publications (2)

Publication Number Publication Date
JP2017526247A JP2017526247A (ja) 2017-09-07
JP2017526247A5 true JP2017526247A5 (enExample) 2018-07-19

Family

ID=53525307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017500914A Pending JP2017526247A (ja) 2014-07-11 2015-06-26 Ｄｃオフセット自動ゼロ化を有するシングルオペアンプを使用した電流感知回路

Country Status (5)

Country Link
US (1) US9444414B2 (enExample)
EP (1) EP3167546B1 (enExample)
JP (1) JP2017526247A (enExample)
CN (1) CN106464215B (enExample)
WO (1) WO2016007316A1 (enExample)

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US10038408B2 (en) * 2015-06-26 2018-07-31 Cactus Semiconductor, Inc. Pseudo-random chopper amplifier
US9973183B2 (en) * 2015-09-28 2018-05-15 Power Integrations, Inc. Field-effect transistor device with partial finger current sensing FETs
US9983239B2 (en) 2016-05-13 2018-05-29 Power Integrations, Inc. Integrated linear current sense circuitry for semiconductor transistor devices
TWI638145B (zh) * 2016-06-27 2018-10-11 友達光電股份有限公司 感測電路及感測電路的控制方法
WO2018030990A1 (en) 2016-08-08 2018-02-15 Power Integrations, Inc. Integrated circuit fast temperature sensing of a semiconductor switching device
IT201700058135A1 (it) * 2017-05-29 2018-11-29 St Microelectronics Srl Circuito di rilevazione, dispositivo e procedimento corrispondenti
EP3537336B1 (en) * 2017-11-07 2021-03-17 Shenzhen Goodix Technology Co., Ltd. Fingerprint sensor and terminal device
JP6937705B2 (ja) * 2018-01-30 2021-09-22 ルネサスエレクトロニクス株式会社 半導体装置、電流検出方法および負荷駆動システム
JP7106916B2 (ja) * 2018-03-23 2022-07-27 富士電機株式会社 演算増幅回路及びこれを使用した電流検出装置
US10613569B2 (en) * 2018-04-12 2020-04-07 Analog Devices Global Unlimited Company Low power half-VDD generation circuit with high driving capability
US11047946B2 (en) * 2018-05-08 2021-06-29 Qualcomm Incorporated Differential current sensing with robust path, voltage offset removal and process, voltage, temperature (PVT) tolerance
WO2020010125A1 (en) * 2018-07-04 2020-01-09 Texas Instruments Incorporated Current sense circuit stabilized over wide range of load current
US10784829B2 (en) 2018-07-04 2020-09-22 Texas Instruments Incorporated Current sense circuit stabilized over wide range of load current
US11012037B2 (en) 2019-03-22 2021-05-18 Analog Devices International Unlimited Company Techniques for controlling an auto-zero amplifier
JP7161432B2 (ja) * 2019-03-25 2022-10-26 ルネサスエレクトロニクス株式会社 電流検出回路、半導体装置、及び、半導体システム
US10833639B2 (en) 2019-04-12 2020-11-10 Analog Devices International Unlimited Company Method for aliasing reduction in auto zero amplifier
EP3951551B1 (en) * 2020-08-07 2023-02-22 Scalinx Voltage regulator and method
US11422168B2 (en) 2020-09-16 2022-08-23 Nxp Usa, Inc. On-chip, low-voltage, current sensing circuit
US11499995B2 (en) 2020-10-26 2022-11-15 Analog Devices, Inc. Leakage compensation technique for current sensor
CN116406494B (zh) * 2021-06-06 2023-10-24 趣眼有限公司 具有偏移和收集电荷减小电路系统的电子积分电路和相关方法
US12321185B2 (en) 2022-01-07 2025-06-03 Samsung Electronics Co., Ltd. Low dropout regulator providing variable offset and analog to digital conversion circuit including the same
JP2023121617A (ja) * 2022-02-21 2023-08-31 富士電機株式会社 半導体装置

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US5479130A (en) * 1994-02-15 1995-12-26 Analog Devices, Inc. Auto-zero switched-capacitor integrator
JP4094436B2 (ja) * 2003-01-16 2008-06-04 セイコーインスツル株式会社 スイッチトキャパシタ増幅回路および電子機器
US6781450B1 (en) * 2003-03-07 2004-08-24 National Semiconductor Corporation Low-frequency auto-zeroed amplifier
JP2005020291A (ja) 2003-06-25 2005-01-20 Toyota Motor Corp オフセットキャンセル型オペアンプ回路
JP4263068B2 (ja) * 2003-08-29 2009-05-13 株式会社リコー 定電圧回路
JP2007208924A (ja) * 2006-02-06 2007-08-16 Seiko Instruments Inc スイッチドキャパシタアンプ及びスイッチドキャパシタアンプの動作方法
US7321260B2 (en) 2006-03-07 2008-01-22 Honeywell International, Inc. Ping-pong auto-zero amplifier with glitch reduction
JP4354473B2 (ja) * 2006-09-07 2009-10-28 株式会社半導体理工学研究センター 容量帰還型チョッパ増幅回路
KR100794310B1 (ko) * 2006-11-21 2008-01-11 삼성전자주식회사 스위치드 커패시터 회로 및 그것의 증폭 방법
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US7944288B2 (en) * 2008-09-29 2011-05-17 Infineon Technologies Ag Switched-capacitor amplifier arrangement having a low input current
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US8743630B2 (en) * 2011-05-23 2014-06-03 Infineon Technologies Ag Current sense amplifier with replica bias scheme
US8624766B2 (en) 2011-11-30 2014-01-07 Standard Microsystems Corporation Method and system for auto-ranging analog-to-digital converter for current sensing
TW201506873A (zh) * 2013-08-02 2015-02-16 Integrated Solutions Technology Inc 有機發光顯示器的驅動電路以及偏移電壓調整單元

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