12 A/8 A/15 A Core Supply Regulator with AVP and Watchdog

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Product Details

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Block Diagram


PF53 Block Diagram


Key Features

  • High-efficiency DC-DC converter
  • Programmable Adaptive Voltage Positioning (AVP)
  • High accuracy (+/-1%)
  • 1.5 uA Off Quiescent Current
  • 24-pin 3.5 x 4.5 FC-QFN package

System Features

  • OTP (One-time programmable) memory for flexible device configuration
  • High speed I2C interface (3.4 MHz)
  • PGOOD monitoring circuits
  • External clock synchronization
  • Frequency spread spectrum

Monitoring Circuits to Fit ASIL D Safety Level

  • Independent circuits to fit ASIL D safety level
  • Voltage monitoring with programmable fault reaction
  • Advanced thermal monitoring and protection
  • Programmable internal watchdog timer
  • I2C CRC and write protection mechanism
  • Analog built-in self-test (ABIST)


  • Supplies, sequencing and specific functions can be programmed by one time programmable (OTP) memory
  • During development phase, customized OTP part can be programmed using the evaluation board
  • Custom OTP can be provided for production. Please contact your NXP sales channel (NXP or your distributor)
  • Custom OTP can be created using the GUI tool

Product Longevity Program

  • This product is included in the NXP product longevity program ensuring a stable supply of products for your embedded designs. Automotive target market derivatives are included in the 15-year program.


Quick reference to our documentation types.

2 documents

Design Resources

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Design Files


3 hardware offerings


2 software files

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


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