TWI359951B - - Google Patents

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Publication number
TWI359951B
TWI359951B TW096149230A TW96149230A TWI359951B TW I359951 B TWI359951 B TW I359951B TW 096149230 A TW096149230 A TW 096149230A TW 96149230 A TW96149230 A TW 96149230A TW I359951 B TWI359951 B TW I359951B
Authority
TW
Taiwan
Prior art keywords
signal
digital signal
overcurrent
resistor
comparison circuit
Prior art date
Application number
TW096149230A
Other languages
English (en)
Chinese (zh)
Other versions
TW200928378A (en
Original Assignee
Tai 1 Microelectronics Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tai 1 Microelectronics Corp filed Critical Tai 1 Microelectronics Corp
Priority to TW096149230A priority Critical patent/TW200928378A/zh
Priority to US12/025,040 priority patent/US7679380B2/en
Publication of TW200928378A publication Critical patent/TW200928378A/zh
Application granted granted Critical
Publication of TWI359951B publication Critical patent/TWI359951B/zh

Links

Classifications

    • 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)
  • Electronic Switches (AREA)
  • Measurement Of Current Or Voltage (AREA)
TW096149230A 2007-12-21 2007-12-21 Overcurrent detection device TW200928378A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW096149230A TW200928378A (en) 2007-12-21 2007-12-21 Overcurrent detection device
US12/025,040 US7679380B2 (en) 2007-12-21 2008-02-03 Overcurrent detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW096149230A TW200928378A (en) 2007-12-21 2007-12-21 Overcurrent detection device

Publications (2)

Publication Number Publication Date
TW200928378A TW200928378A (en) 2009-07-01
TWI359951B true TWI359951B (enExample) 2012-03-11

Family

ID=40787803

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096149230A TW200928378A (en) 2007-12-21 2007-12-21 Overcurrent detection device

Country Status (2)

Country Link
US (1) US7679380B2 (enExample)
TW (1) TW200928378A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI405380B (zh) * 2009-12-22 2013-08-11 Delta Electronics Inc 過電壓與過溫度偵測電路
EP2387149B1 (en) 2010-04-29 2012-11-07 Dialog Semiconductor GmbH Over-current protection for a switch mode class D audio amplifier
US8896323B2 (en) * 2011-10-21 2014-11-25 Texas Instruments Incorporated Radiation-tolerant overcurrent detection
CN109038476A (zh) * 2018-08-08 2018-12-18 杭州先途电子有限公司 一种过流保护电路及控制器
US11146057B2 (en) 2018-10-25 2021-10-12 Nxp Usa, Inc. Pad protection in an integrated circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07113861B2 (ja) * 1988-01-29 1995-12-06 株式会社日立製作所 半導体素子の状態検出及び保護回路とそれを用いたインバータ回路
CA2109755C (en) * 1993-11-23 2004-11-02 John Barry French Composite bridge amplifier with output overload and thermal protection
US6108182A (en) * 1998-10-30 2000-08-22 Intersil Corporation Overcurrent sensing circuit and self adjusting blanking

Also Published As

Publication number Publication date
US20090160428A1 (en) 2009-06-25
TW200928378A (en) 2009-07-01
US7679380B2 (en) 2010-03-16

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees