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
Technical article	Smart Wi-Fi® locks will soon open many doors	PDF \| HTML	21 Aug 2023
Technical article	Bluetooth® Low Energy shifts gears for car access	PDF \| HTML	20 Sep 2023
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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 (Rev. A)	PDF \| HTML	07 Jun 2023
Technical article	Exploring connectivity trends for Bluetooth® Low Energy in the car	PDF \| HTML	05 Sep 2023
Application note	Designing High Performance, Low-EMI, Automotive Power Supplies		02 Oct 2017

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