JP2021500787A5 - - Google Patents

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Publication number
JP2021500787A5
JP2021500787A5 JP2020520624A JP2020520624A JP2021500787A5 JP 2021500787 A5 JP2021500787 A5 JP 2021500787A5 JP 2020520624 A JP2020520624 A JP 2020520624A JP 2020520624 A JP2020520624 A JP 2020520624A JP 2021500787 A5 JP2021500787 A5 JP 2021500787A5
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JP
Japan
Prior art keywords
switch
current
coupled
transistor switch
load
Prior art date
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Application number
JP2020520624A
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English (en)
Japanese (ja)
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JP7295852B2 (ja
JP2021500787A (ja
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Priority claimed from US15/789,907 external-priority patent/US11041890B2/en
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Publication of JP2021500787A publication Critical patent/JP2021500787A/ja
Publication of JP2021500787A5 publication Critical patent/JP2021500787A5/ja
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Publication of JP7295852B2 publication Critical patent/JP7295852B2/ja
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JP2020520624A 2017-10-20 2018-10-18 スイッチング増幅器出力における電流測定 Active JP7295852B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/789,907 2017-10-20
US15/789,907 US11041890B2 (en) 2017-10-20 2017-10-20 Current measurement at a switching amplifier output
PCT/US2018/056585 WO2019079646A1 (en) 2017-10-20 2018-10-18 CURRENT MEASUREMENT AT A SWITCH AMPLIFIER OUTPUT

Publications (3)

Publication Number Publication Date
JP2021500787A JP2021500787A (ja) 2021-01-07
JP2021500787A5 true JP2021500787A5 (enExample) 2021-11-18
JP7295852B2 JP7295852B2 (ja) 2023-06-21

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ID=66169871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020520624A Active JP7295852B2 (ja) 2017-10-20 2018-10-18 スイッチング増幅器出力における電流測定

Country Status (4)

Country Link
US (1) US11041890B2 (enExample)
JP (1) JP7295852B2 (enExample)
CN (1) CN111213389B (enExample)
WO (1) WO2019079646A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11698393B2 (en) * 2019-01-15 2023-07-11 Shanghai Awinic Technology Co., LTD Current detection circuit for loudspeaker
CN111505440B (zh) * 2020-04-27 2022-09-20 云南拓普特种电源科技有限公司 一种基于d类功放的接地故障检测以及保护系统及方法
US11742789B2 (en) * 2020-12-23 2023-08-29 Stmicroelectronics S.R.L. Current monitor circuit, corresponding system and method
TWI757016B (zh) * 2020-12-30 2022-03-01 茂達電子股份有限公司 電容性揚聲器驅動電路
KR20220131578A (ko) * 2021-03-22 2022-09-29 매그나칩 반도체 유한회사 슬루율 가속 회로 및 이를 포함하는 버퍼 회로

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5535438A (en) * 1994-05-10 1996-07-09 Panasonic Technologies, Inc. Phase linear class E amplifier for a satellite communication terminal which communicates with a low earth orbiting satellite
US6600618B2 (en) * 1998-09-21 2003-07-29 Stmicroelectronics, Inc. Time domain voice coil motor control circuit and method
US6865417B2 (en) * 2001-11-05 2005-03-08 Cameron Health, Inc. H-bridge with sensing circuit
JP4553790B2 (ja) 2004-05-17 2010-09-29 三星電子株式会社 スイッチング増幅器の過電流防止方法及び装置
JP2008160776A (ja) 2006-12-26 2008-07-10 Funai Electric Co Ltd Ｄ級増幅器
CN201490975U (zh) 2009-05-14 2010-05-26 广州飞达音响专业器材有限公司 一种数字功率放大器
US8610501B2 (en) 2009-11-16 2013-12-17 Covidien Lp Class resonant-H electrosurgical generators
US8143944B2 (en) 2010-08-23 2012-03-27 Texas Instruments Incorporated Method and apparatus for sensing a current for varying impedance loads
US9553501B2 (en) * 2010-12-08 2017-01-24 On-Bright Electronics (Shanghai) Co., Ltd. System and method providing over current protection based on duty cycle information for power converter
US8508298B2 (en) 2011-03-10 2013-08-13 Silicon Laboratories Inc. Amplifier using master-slave control scheme
US8963634B2 (en) 2012-02-28 2015-02-24 Qualcomm Incorporated Load current sensing
TWI508430B (zh) 2012-08-30 2015-11-11 Anpec Electronics Corp 具有防爆音功能之單端輸出ｄ類放大器
JP6486385B2 (ja) * 2014-01-21 2019-03-20 インフィネオン テクノロジーズ オーストリア アクチエンゲゼルシャフト 集積化ハイサイド・ゲート・ドライバー構造、及びハイサイド・パワー・トランジスターを駆動する回路
US9733276B2 (en) 2015-11-30 2017-08-15 Nxp B.V. Precise current measurement with chopping technique for high power driver
ITUB20156907A1 (it) * 2015-12-07 2017-06-07 St Microelectronics Srl Amplificatore audio in classe d comprendente un circuito per leggere una corrente erogata dall'amplificatore al carico e relativo procedimento di lettura

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