Phone as a key (PaaK)

Products and reference designs

Block diagram

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.

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.

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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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