MSDI with Suppressed Wakeup

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Block Diagram

NXP MC33972 Power Actuation

NXP MC33972 Power Actuation Block Diagram

Features

Key Features

  • Interfaces directly to microprocessor using 3.3 V / 5.0 V SPI protocol
  • Selectable wake-up on change of state
  • Eight programmable inputs (switches to battery or ground)
  • Fourteen switch-to-ground inputs
  • Active Interrupt (INT) on change-of-switch state
  • Switch Voltage Range -14 – VPWR
  • Operating Voltage 5.5 V – 26 V (VPWR)
  • Power train control, signal conditioning and switch monitoring device functions
  • 32 package termination count
  • Package type: SSOP32
  • Ambient operating temperature -40 to 125 °C

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N true 0 PSPMC33972en 4 Application Note Application Note t789 2 Data Sheet Data Sheet t520 1 User Guide User Guide t792 1 en_US 1 1 20 English The 33972 Multiple Switch Detection Interface with Suppressed Wake-Up. 1057947691616728772449 PSP 2.0 MB None None documents None 1057947691616728772449 /docs/en/data-sheet/MC33972.pdf 2000470 /docs/en/data-sheet/MC33972.pdf MC33972 N N 2016-10-31 MC33972, Multiple Switch Detection Interface with Suppressed Wake-up /docs/en/data-sheet/MC33972.pdf /docs/en/data-sheet/MC33972.pdf Data Sheet N Y 980000996212993340 2023-08-31 pdf N en Aug 22, 2023 Data Sheet t520 Data Sheet Data Sheet Y N MC33972, Multiple Switch Detection Interface with Suppressed Wake-up false en_US en Application Note Application Note 2 2 3.0 English This application note provides guidelines for handling and assembly of SOIC package during Printed Circuit Board (PCB) assembly. 10jsBvfc PSP 3.5 MB None None documents None 10jsBvfc /docs/en/application-note/AN2409.pdf 3536520 /docs/en/application-note/AN2409.pdf AN2409 documents N N 2016-10-31 AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note /docs/en/application-note/AN2409.pdf /docs/en/application-note/AN2409.pdf Application Note N 645036621402383989 2024-01-19 pdf N en Oct 21, 2014 645036621402383989 Application Note Y N AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note 3 1.0 English The MC33781 and MC33784 together constitute NXP Semiconductors's implementation of the Distributed System Interface (DSI) Bus Standard, Version 2.02. 1225311007711718167766 PSP 1.0 MB None None documents None 1225311007711718167766 /docs/en/application-note/AN3670.pdf 1013814 /docs/en/application-note/AN3670.pdf AN3670 documents N N 2016-10-31 AN3670, Implementing a DSI Network Using the MC33781 and the MC33784 /docs/en/application-note/AN3670.pdf /docs/en/application-note/AN3670.pdf Application Note N 645036621402383989 2024-01-19 pdf N en Oct 29, 2008 645036621402383989 Application Note Y N AN3670, Implementing a DSI Network Using the MC33781 and the MC33784 User Guide User Guide 1 4 1.0 English This evaluation kit features the MC33972A Multiple Switch Detection Interface with suppressed wake-up is designed to detect the closing and opening of up to 22 switch contacts. The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI). The device also features a 22-to-1 analog multiplexer for reading inputs as analog. 1375132488463726677869 PSP 1.6 MB None None documents None 1375132488463726677869 /docs/en/user-guide/KT33972UG.pdf 1592311 /docs/en/user-guide/KT33972UG.pdf KT33972UG documents N N 2013-07-31 KIT33972AEWEVBE, Evaluation Board - User Guide /docs/en/user-guide/KT33972UG.pdf /docs/en/user-guide/KT33972UG.pdf User Guide N 132339537837198660 2023-06-19 pdf N en Jul 29, 2013 132339537837198660 User Guide Y N KIT33972AEWEVBE, Evaluation Board - User Guide false 0 MC33972 downloads en true 1 Y PSP Application Note 2 /docs/en/application-note/AN2409.pdf 2016-10-31 10jsBvfc PSP 2 Oct 21, 2014 Application Note This application note provides guidelines for handling and assembly of SOIC package during Printed Circuit Board (PCB) assembly. None /docs/en/application-note/AN2409.pdf English documents 3536520 None 645036621402383989 2024-01-19 N /docs/en/application-note/AN2409.pdf AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note /docs/en/application-note/AN2409.pdf documents 645036621402383989 Application Note N en None Y pdf 3.0 N N AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note 3.5 MB AN2409 N 10jsBvfc /docs/en/application-note/AN3670.pdf 2016-10-31 1225311007711718167766 PSP 3 Oct 29, 2008 Application Note The MC33781 and MC33784 together constitute NXP Semiconductors's implementation of the Distributed System Interface (DSI) Bus Standard, Version 2.02. None /docs/en/application-note/AN3670.pdf English documents 1013814 None 645036621402383989 2024-01-19 N /docs/en/application-note/AN3670.pdf AN3670, Implementing a DSI Network Using the MC33781 and the MC33784 /docs/en/application-note/AN3670.pdf documents 645036621402383989 Application Note N en None Y pdf 1.0 N N AN3670, Implementing a DSI Network Using the MC33781 and the MC33784 1.0 MB AN3670 N 1225311007711718167766 Data Sheet 1 /docs/en/data-sheet/MC33972.pdf 2016-10-31 1057947691616728772449 PSP 1 Aug 22, 2023 Data Sheet Data Sheet The 33972 Multiple Switch Detection Interface with Suppressed Wake-Up. None /docs/en/data-sheet/MC33972.pdf English 2000470 None Data Sheet 2023-08-31 N /docs/en/data-sheet/MC33972.pdf MC33972, Multiple Switch Detection Interface with Suppressed Wake-up /docs/en/data-sheet/MC33972.pdf documents 980000996212993340 Data Sheet N Y en None Y t520 pdf 20 N N MC33972, Multiple Switch Detection Interface with Suppressed Wake-up 2.0 MB MC33972 N 1057947691616728772449 User Guide 1 /docs/en/user-guide/KT33972UG.pdf 2013-07-31 1375132488463726677869 PSP 4 Jul 29, 2013 User Guide This evaluation kit features the MC33972A Multiple Switch Detection Interface with suppressed wake-up is designed to detect the closing and opening of up to 22 switch contacts. The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI). The device also features a 22-to-1 analog multiplexer for reading inputs as analog. None /docs/en/user-guide/KT33972UG.pdf English documents 1592311 None 132339537837198660 2023-06-19 N /docs/en/user-guide/KT33972UG.pdf KIT33972AEWEVBE, Evaluation Board - User Guide /docs/en/user-guide/KT33972UG.pdf documents 132339537837198660 User Guide N en None Y pdf 1.0 N N KIT33972AEWEVBE, Evaluation Board - User Guide 1.6 MB KT33972UG N 1375132488463726677869 true Y Products

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