MSDI with Suppressed Wakeup

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Block Diagram

NXP MC33972 Power Actuation

NXP MC33972 Power Actuation Block Diagram


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

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MC33972 is included in the 15-year program

Part numbers include: MC33972APEK, MC33972APEW, MC33972ATEK, MC33972ATEW, MC33972TEW.


Quick reference to our documentation types.

4 documents


2 hardware offerings


1 software file

Note: For better experience, software downloads are recommended on desktop.

Engineering Services

3 engineering services

To find a complete list of our partners that support this product, please see our Partner Marketplace.


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