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
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 Implementing a Pairwise Key Mechanism for the 6LoWPAN Mesh TI Designs 25 Sep 2018
Application note Bluetooth® Angle of Arrival (AoA) Antenna Design 25 Jul 2019
Technical articles Discharge that output rail? 16 May 2014
Technical articles Inductive sensing: How can an inductive switch be used for lid open/close detection? 15 Aug 2016
Application note Measuring CC13xx and CC26xx current consumption (Rev. D) PDF | HTML 11 May 2022
Technical articles The challenge of implementing higher-power wireless charging 11 Jun 2015
Application note 2.4-GHz Inverted F Antenna (Rev. D) 10 May 2022
Technical articles Make your power bank more reliable with output short-circuit protection 06 Dec 2016
Application note Designing High Performance, Low-EMI, Automotive Power Supplies 02 Oct 2017

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