MC33972 | MSDI with Suppressed Wakeup | NXP Semiconductors

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MSDI with Suppressed Wakeup

MC33972
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The NXP MC33972 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 MCU through a SPI
  • Features a 22-to-1 analog multiplexer for reading inputs as analog. The analog input signal is buffered and provided on the AMUX output pin for the MCU to read
  • Two modes of operation:
    • Normal: allows programming of the device and supplies switch contacts with pull-up or pull-down current monitoring switch change of state
    • Sleep: provides low quiescent current, making MC33972 ideal for automotive and industrial products requiring low sleep state currents

ブロック図

NXP MC33972 Power Actuation

NXP MC33972 Power Actuation Block Diagram
図を取得する PDF

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

購入/パラメータ

3 結果

マッチしていない 0 NRND

パーツ

説明を表示

注文

コンピュータ支援設計 モデル

製品機能

パッケージ端子数

負荷電源電圧（最小）（V）

負荷電源電圧（最大）（V）

電源電圧 [最小] (V)

電源電圧 [最大] (V)

インターフェースと入力制御

Ambient Operating Temperature (Min to Max) (℃)

MC33972ATEK
データ・シート

powertrain control, signal conditioning, switch monitoring

32

5.5

26

3.1

5.25

SPI

-40 to 125

MC33972ATEW
データ・シート

signal conditioning, switch monitoring

32

5.5

26

3.1

5.25

SPI

-40 to 125

MC33972TEW
データ・シート

signal conditioning, switch monitoring

32

5.5

26

3.1

5.25

SPI

-40 to 125

N true 0 PSPMC33972ja 4 アプリケーション・ノート Application Note t789 2 データ・シート Data Sheet t520 1 ユーザ・ガイド User Guide t792 1 ja 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 データ・シート Data Sheet Y N MC33972, Multiple Switch Detection Interface with Suppressed Wake-up false ja ja アプリケーション・ノート 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 ユーザ・ガイド 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 ja true 1 Y PSP アプリケーション・ノート 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 データ・シート 1 /docs/en/data-sheet/MC33972.pdf 2016-10-31 1057947691616728772449 PSP 1 Aug 22, 2023 Data Sheet データ・シート 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 ユーザ・ガイド 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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