Passive entry passive start (PEPS)

Products and reference designs

Passive entry passive start (PEPS)

Block diagram


Our integrated circuits and reference designs help you design passive entry passive start (PEPS) modules and key fobs that are secure and compact while reducing system power consumption and optimizing radio frequency (RF) and vehicle communication latencies.

Design requirements

PEPS automotive systems require:

  • Optimized power and range.
  • Secure relay attack prevention using Bluetooth Low Energy (BLE).
  • Achieve accurate localization using BLE while minimizing the number of nodes.

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Block diagram

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Technical documentation

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Type Title Date
White paper Simplify CAN bus implementations with chokeless transceivers 31 Mar 2016
More literature Fundamentals of designing with LDOs in auto battery direct connect applications 28 Feb 2017
Application note Measuring CC13xx and CC26xx current consumption (Rev. D) PDF | HTML 11 May 2022
White paper Evolution vs. revolution: the building blocks of automotive body electronics 11 Apr 2018
Application note 2.4-GHz Inverted F Antenna (Rev. D) 10 May 2022
Application note Bluetooth® Angle of Arrival (AoA) Antenna Design (Rev. A) PDF | HTML 07 Jun 2023
Application note Designing High Performance, Low-EMI, Automotive Power Supplies 02 Oct 2017

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