TW200725248A - Shut down circuit - Google Patents

Shut down circuit

Info

Publication number
TW200725248A
TW200725248A TW094144777A TW94144777A TW200725248A TW 200725248 A TW200725248 A TW 200725248A TW 094144777 A TW094144777 A TW 094144777A TW 94144777 A TW94144777 A TW 94144777A TW 200725248 A TW200725248 A TW 200725248A
Authority
TW
Taiwan
Prior art keywords
shut
shut down
circuit
down circuit
integrated circuit
Prior art date
Application number
TW094144777A
Other languages
Chinese (zh)
Other versions
TWI313805B (en
Inventor
Chun-Wei Pan
Han-Che Wang
Chen-Hsuan Ho
Shin-Hong Chung
Original Assignee
Hon Hai Prec Ind Co Ltd
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 Hon Hai Prec Ind Co Ltd filed Critical Hon Hai Prec Ind Co Ltd
Priority to TW94144777A priority Critical patent/TWI313805B/en
Publication of TW200725248A publication Critical patent/TW200725248A/en
Application granted granted Critical
Publication of TWI313805B publication Critical patent/TWI313805B/en

Links

Landscapes

  • Electronic Switches (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Power Sources (AREA)

Abstract

A shut down circuit is provided to guarantee an integrated circuit to be wholly shut off when a user pushes a button to order the shut off. As composed with the prior art, the shut down circuit has been provided with a latch circuit placed between the integrated circuit and a power management unit. The latch circuit includes two switching circuits arranged to clamp each other when a shut off order is presented. The switching circuits clamps each other to a conduction state, thus to generate shut off signals continually until the power management unit cut off the power supplied to the integrated circuit.
TW94144777A 2005-12-16 2005-12-16 Shut down circuit TWI313805B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94144777A TWI313805B (en) 2005-12-16 2005-12-16 Shut down circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94144777A TWI313805B (en) 2005-12-16 2005-12-16 Shut down circuit

Publications (2)

Publication Number Publication Date
TW200725248A true TW200725248A (en) 2007-07-01
TWI313805B TWI313805B (en) 2009-08-21

Family

ID=45072831

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94144777A TWI313805B (en) 2005-12-16 2005-12-16 Shut down circuit

Country Status (1)

Country Link
TW (1) TWI313805B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102761169A (en) * 2011-04-25 2012-10-31 纬创资通股份有限公司 Power supply control device and electronic device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110942747B (en) * 2018-09-25 2021-06-01 海信视像科技股份有限公司 OLED display device and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102761169A (en) * 2011-04-25 2012-10-31 纬创资通股份有限公司 Power supply control device and electronic device
CN102761169B (en) * 2011-04-25 2014-08-06 纬创资通股份有限公司 Power supply control device and electronic device

Also Published As

Publication number Publication date
TWI313805B (en) 2009-08-21

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Legal Events

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