CN104272588B - 用于抑制d类放大器中的过冲电压故障的方法和电路 - Google Patents

用于抑制d类放大器中的过冲电压故障的方法和电路 Download PDF

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Publication number
CN104272588B
CN104272588B CN201380023045.4A CN201380023045A CN104272588B CN 104272588 B CN104272588 B CN 104272588B CN 201380023045 A CN201380023045 A CN 201380023045A CN 104272588 B CN104272588 B CN 104272588B
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China
Prior art keywords
transistor
node
clamp
coupled
circuit
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CN201380023045.4A
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Chinese (zh)
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CN104272588A (zh
Inventor
C·黄
H·费
M·D·西恩科
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CN201380023045.4A 2012-05-02 2013-04-08 用于抑制d类放大器中的过冲电压故障的方法和电路 Active CN104272588B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261641791P 2012-05-02 2012-05-02
US61/641,791 2012-05-02
US13/628,011 US8947163B2 (en) 2012-05-02 2012-09-26 Split capacitors scheme for suppressing overshoot voltage glitches in class D amplifier output stage
US13/628,011 2012-09-26
PCT/US2013/035680 WO2013165653A1 (en) 2012-05-02 2013-04-08 Split capacitors scheme for suppressing overshoot voltage glitches in class d amplifier output stage

Publications (2)

Publication Number Publication Date
CN104272588A CN104272588A (zh) 2015-01-07
CN104272588B true CN104272588B (zh) 2017-05-03

Family

ID=49512094

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Application Number Title Priority Date Filing Date
CN201380023045.4A Active CN104272588B (zh) 2012-05-02 2013-04-08 用于抑制d类放大器中的过冲电压故障的方法和电路

Country Status (5)

Country Link
US (1) US8947163B2 (enExample)
EP (1) EP2845313B1 (enExample)
JP (1) JP6301315B2 (enExample)
CN (1) CN104272588B (enExample)
WO (1) WO2013165653A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9641141B1 (en) * 2016-02-29 2017-05-02 Hong Kong Applied Science and Technology Research Institute Company Limited Harmonics suppression circuit for a switch-mode power amplifier
CN105830342B (zh) * 2016-02-29 2018-10-16 香港应用科技研究院有限公司 开关模式功率放大器的谐波抑制电路
US10263577B2 (en) * 2016-12-09 2019-04-16 Advanced Energy Industries, Inc. Gate drive circuit and method of operating the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1689223A (zh) * 2002-08-23 2005-10-26 三路技术有限公司 提供开关放大器中的直流隔离
CN101043201A (zh) * 2006-03-22 2007-09-26 雅马哈株式会社 半导体集成电路
US20080012632A1 (en) * 2006-03-22 2008-01-17 Yamaha Corporation Semiconductor integrated circuit
CN101485082A (zh) * 2006-07-07 2009-07-15 Nxp股份有限公司 D类音频放大器
CN101790122A (zh) * 2010-02-06 2010-07-28 青岛海信移动通信技术股份有限公司 音频系统的爆破音消除电路及移动通信终端

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4818893A (en) * 1986-10-10 1989-04-04 Prime Computer, Inc. High speed switching circuit
US5047913A (en) 1990-09-17 1991-09-10 General Electric Company Method for controlling a power converter using an auxiliary resonant commutation circuit
JP3504190B2 (ja) * 1999-07-21 2004-03-08 株式会社ルネサステクノロジ 半導体装置、およびこれを用いた回線インターフェイス装置および情報処理装置
JP2001102874A (ja) * 1999-09-30 2001-04-13 Hitachi Ltd サージ保護回路および半導体集積回路
JP4295928B2 (ja) * 2001-05-28 2009-07-15 三菱電機株式会社 半導体保護回路
US6781458B2 (en) * 2002-08-23 2004-08-24 Tripath Technology, Inc. Providing DC isolation in switching amplifiers
US7898783B2 (en) 2006-08-10 2011-03-01 Texas Instruments Incorporated Methods and apparatus to reduce substrate voltage bounces and spike voltages in switching amplifiers
US7492219B1 (en) 2006-08-10 2009-02-17 Marvell International Ltd. Power efficient amplifier
US7839215B2 (en) 2008-06-16 2010-11-23 Rgb Systems, Inc. Method and apparatus for power converter for class D audio power amplifiers
US8237495B2 (en) 2010-07-07 2012-08-07 Broadcom Corporation High efficiency amplifier with reduced electromagnetic interference

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1689223A (zh) * 2002-08-23 2005-10-26 三路技术有限公司 提供开关放大器中的直流隔离
CN101043201A (zh) * 2006-03-22 2007-09-26 雅马哈株式会社 半导体集成电路
US20080012632A1 (en) * 2006-03-22 2008-01-17 Yamaha Corporation Semiconductor integrated circuit
CN101485082A (zh) * 2006-07-07 2009-07-15 Nxp股份有限公司 D类音频放大器
CN101790122A (zh) * 2010-02-06 2010-07-28 青岛海信移动通信技术股份有限公司 音频系统的爆破音消除电路及移动通信终端

Also Published As

Publication number Publication date
US8947163B2 (en) 2015-02-03
CN104272588A (zh) 2015-01-07
JP6301315B2 (ja) 2018-03-28
US20130293298A1 (en) 2013-11-07
WO2013165653A1 (en) 2013-11-07
JP2015521408A (ja) 2015-07-27
EP2845313A1 (en) 2015-03-11
EP2845313B1 (en) 2018-05-23
WO2013165653A9 (en) 2014-08-07

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