Phone as a key (PaaK)

Products and reference designs

Phone as a key (PaaK)

Block diagram

Overview

Our integrated circuits and reference designs for phone-as-a-key (PaaK) systems help you develop accurate localization techniques using Bluetooth® Low Energy to enable digital key capabilities on a smart phone for passive entry and passive start functionality.

Design requirements:

PaaK designs require:

  • Optimized power and range.
  • Secure relay attack prevention using Bluetooth Low Energy.
  • Achievement of accurate localization using Bluetooth Low Energy while minimizing number of nodes.

Block diagram

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Technical documentation

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Type Title Date
Application note Measuring CC13xx and CC26xx current consumption (Rev. D) PDF | HTML 11 May 2022
Application note 2.4-GHz Inverted F Antenna (Rev. D) 10 May 2022
Application note Bluetooth® Angle of Arrival (AoA) Antenna Design 25 Jul 2019
Application note Implementing a Pairwise Key Mechanism for the 6LoWPAN Mesh TI Designs 25 Sep 2018
Application note Designing High Performance, Low-EMI, Automotive Power Supplies 02 Oct 2017
More literature Fundamentals of designing with LDOs in auto battery direct connect applications 28 Feb 2017
White paper Simplify CAN bus implementations with chokeless transceivers 31 Mar 2016

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