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MSDI with 32 mA Suppressed Wakeup

MC33975
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The NXP® MC33975 multiple switch detection interface with suppressed wake-up is designed to detect the closing and opening of up to 22 switch contacts, ideal for automotive and industrial products requiring low sleep state currents.

  • The switch status, open or closed, is transferred to the MPU through a serial peripheral interface
  • Normal mode allows programming of the device and supplies switch contacts with pullup or pull-down current and Sleep mode provides low quiescent current
  • The programmable interrupt timer for Sleep mode can be disabled, switch detection currents are 32 mA and 4.0 mA for switch-to-ground inputs, the interrupt bit is a reset bit, and the package is Pb-free

製品詳細

ブロック図

NXP MC33975 Power Actuation

NXP MC33975 Power Actuation Block Diagram
図を取得する PDF

Features

Key Features

  • Designed to operate 5.5 V ≤ VPWR ≤ 26 V
  • Switch input voltage range -14 V to VPWR, 40 V Max
  • Interfaces directly to microprocessor Using 3.3 V/5.0 V SPI protocol
  • Selectable wake-up on change of state
  • Selectable wetting current (32 mA or 4.0 mA for switch-to-ground inputs)
  • 8 programmable inputs (switches to battery or ground)
  • 14 switch-to-ground inputs
  • VPWR standby current 100 µA typical, VDD standby current 20 µA typical
  • Pb-Free packaging designated by suffix code EK
  • Power train control, signal conditioning and switch monitoring device functions
  • 32 package termination count
  • Package type SSOP32
  • Ambient operating temperature -40 to 125 °C

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MC33975 is included in the 15-year program

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N true 0 PSPMC33975ja 5 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 ファクト・シート Fact Sheet t523 1 ユーザ・ガイド User Guide t792 1 ja 1 1 12.0 English The 33975 Multiple Switch Detection Interface with Suppressed Wake-Up is designed to detect the closing and opening of up to 22 switch contacts. 1098217935397723526172 PSP 1.7 MB None None documents None 1098217935397723526172 /docs/en/data-sheet/MC33975.pdf 1748280 /docs/en/data-sheet/MC33975.pdf MC33975 N N 2016-10-31 MC33975, MC9375A, Multiple Switch Detection Interface with Suppressed Wake-up and 32 mA Wetting Current - Data Sheet /docs/en/data-sheet/MC33975.pdf /docs/en/data-sheet/MC33975.pdf Data Sheet N Y 980000996212993340 2023-08-22 pdf N en Aug 22, 2023 Data Sheet t520 データ・シート Data Sheet Y N MC33975, MC9375A, Multiple Switch Detection Interface with Suppressed Wake-up and 32 mA Wetting Current - Data Sheet 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 2.0 English The Evaluation Kit features the MC33975A a multiple switch detection interface with suppressed wake-up. The kit 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. 1375132796038692149770 PSP 694.0 KB None None documents None 1375132796038692149770 /docs/en/user-guide/KT33975UG.pdf 693993 /docs/en/user-guide/KT33975UG.pdf KT33975UG documents N N 2013-07-31 KIT33975AEVB, Evaluation Board - User Guide /docs/en/user-guide/KT33975UG.pdf /docs/en/user-guide/KT33975UG.pdf User Guide N 132339537837198660 2023-06-19 pdf N en Feb 13, 2014 132339537837198660 User Guide Y N KIT33975AEVB, Evaluation Board - User Guide ファクト・シート Fact Sheet 1 5 2.0 English NXP’s configurable and integrated I/O-multiple switch detection interface delivers strong, reliable and cost-effective results for automotive and industrial applications. 1512583658719740840743 PSP 121.6 KB None None documents None 1512583658719740840743 /docs/en/fact-sheet/MSDIA4FS.pdf 121562 /docs/en/fact-sheet/MSDIA4FS.pdf MSDIA4FS documents N N 2017-12-06 Multiple Switch Detection Interface (MSDI) /docs/en/fact-sheet/MSDIA4FS.pdf /docs/en/fact-sheet/MSDIA4FS.pdf Fact Sheet N 736675474163315314 2023-09-29 pdf N en Feb 24, 2021 736675474163315314 Fact Sheet Y N Multiple Switch Detection Interface (MSDI) false 0 MC33975 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/MC33975.pdf 2016-10-31 1098217935397723526172 PSP 1 Aug 22, 2023 Data Sheet データ・シート The 33975 Multiple Switch Detection Interface with Suppressed Wake-Up is designed to detect the closing and opening of up to 22 switch contacts. None /docs/en/data-sheet/MC33975.pdf English 1748280 None Data Sheet 2023-08-22 N /docs/en/data-sheet/MC33975.pdf MC33975, MC9375A, Multiple Switch Detection Interface with Suppressed Wake-up and 32 mA Wetting Current - Data Sheet /docs/en/data-sheet/MC33975.pdf documents 980000996212993340 Data Sheet N Y en None Y t520 pdf 12.0 N N MC33975, MC9375A, Multiple Switch Detection Interface with Suppressed Wake-up and 32 mA Wetting Current - Data Sheet 1.7 MB MC33975 N 1098217935397723526172 ファクト・シート 1 /docs/en/fact-sheet/MSDIA4FS.pdf 2017-12-06 1512583658719740840743 PSP 5 Feb 24, 2021 Fact Sheet NXP’s configurable and integrated I/O-multiple switch detection interface delivers strong, reliable and cost-effective results for automotive and industrial applications. None /docs/en/fact-sheet/MSDIA4FS.pdf English documents 121562 None 736675474163315314 2023-09-29 N /docs/en/fact-sheet/MSDIA4FS.pdf Multiple Switch Detection Interface (MSDI) /docs/en/fact-sheet/MSDIA4FS.pdf documents 736675474163315314 Fact Sheet N en None Y pdf 2.0 N N Multiple Switch Detection Interface (MSDI) 121.6 KB MSDIA4FS N 1512583658719740840743 ユーザ・ガイド 1 /docs/en/user-guide/KT33975UG.pdf 2013-07-31 1375132796038692149770 PSP 4 Feb 13, 2014 User Guide The Evaluation Kit features the MC33975A a multiple switch detection interface with suppressed wake-up. The kit 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/KT33975UG.pdf English documents 693993 None 132339537837198660 2023-06-19 N /docs/en/user-guide/KT33975UG.pdf KIT33975AEVB, Evaluation Board - User Guide /docs/en/user-guide/KT33975UG.pdf documents 132339537837198660 User Guide N en None Y pdf 2.0 N N KIT33975AEVB, Evaluation Board - User Guide 694.0 KB KT33975UG N 1375132796038692149770 true Y Products

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