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Wednesday, January 7, 2015
 NXP Releases Compact Smart Car Access Solution For Car Keys And Wearables
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Message Text: NXP Semiconductors has announced a tiny automotive chip that opens up new use cases for the secure connected car and enables car access solutions embedded in smartphones or smartwatches as well as new designs for car keys.

The NCF29A1 is an one-chip solution combines Passive Keyless Entry (PKE), RF transmitter for remote control and immobiliser.

The ultra-compact device allows new key designs and form factors like PKE chips in smartphones, smartwatches or smartphone cases, supporting complementary car access via mobile devices. Tthe NCF29A1 also enables automotive features such as a welcome light or walk-away locking.

Samples of NCF29A1 are available now and the device will be released in Q1 2015.

Highlights of the NCF29A1

  • High sensitivity of the LF (low-frequency) frontend with low quiescent current enables greater battery lifetime
  • Distance bonding, restricting the activation range for safety critical remote control functions
  • Transponder, UHF Transmitter, and RISC Controller on the same chip enables new safety and security features
  • Accommodates a wide range of regional sub-1GHz frequencies from 310 to 447 MHz, 868/915 MHz
  • Allows multi-channel RF Transmitter operation for jamming robust operation
  • Key localisation (within 5cm) with the 3D LF interface using RSSI (receive signal strength indicator) over wide dynamic range
  • Lowest external component count enables further cost reduction for T1/OEMs
  • Peer-reviewed AES security helps to effectively prevent key cloning / vehicle theft
  • Flexible customisation at ultra-low power with the programmable µC core


 
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