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In the wave of automotive intelligence, digital keys have become one of the important technologies to improve the car experience. China Exportsemi recommends a UWB Digital-Key Kit application solution for automobiles based on NXP products launched by WPG WPG WPI Group, which will inject strong impetus into the popularization of automotive digital keys.
Product Features:
The solution uses NXP S32K144 MCU, NCJ29D5 chip, and KW38 wireless control chip as the core, and works with peripheral devices such as Xinyuan System, TDK, and Molex to create a high-performance key system. Its advantages lie in centimeter-level positioning accuracy, strong anti-interference ability, multi-device coexistence ability, and data encryption function against relay attacks, providing a safe and convenient unlocking experience for the vehicle.
Figure: WPG WPI's display board of NXP's automotive UWB Digital-Key Kit application solution
Technical Specifications:
The solution complies with the IEEE 802.15.4Z HRP UWB PHY standard, has a center frequency of 6.5GHz - 8.0GHz, and supports AES-128 and AES-256 encryption. The NCJ29D5 chip integrates an Arm Cortex-M33 processor, Arm TrustZone technology, and multiple interfaces, with a supply voltage of 1.8V to 3.6V. S32K144 MCUs are based on Arm Cortex M0+/M4F cores with a maximum frequency of 112MHz and integrated mass storage. The KW38 wireless controller integrates BLE wireless communication and supports the BLE 5.0 standard, providing low-power, high-performance wireless connectivity.
Figure: Block diagram of WPG WPI's automotive UWB Digital-Key Kit application solution based on NXP products
Application scenarios
It is suitable for a variety of automotive use scenarios. When the owner approaches the vehicle, the UWB Digital-Key Kit automatically unlocks the doors with precise sensing. When starting the vehicle, there is no need to take out the key, and the system automatically authenticates; In the parking lot, it is connected to the program through a mobile phone to achieve remote positioning and control. At the same time, the solution can also be applied to vehicle sharing, high-end vehicle security and other fields, providing strong support for the intelligent and digital development of automobiles.
Figure: Scenario application diagram of WPG WPI's automotive UWB Digital-Key Kit application solution based on NXP products
WPG WPI Group's automotive UWB Digital-Key Kit application solution, with its excellent performance and technical advantages, will become an ideal choice in the field of automotive digital keys, driving the automotive industry towards a smarter and more convenient future.
Contact us
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About WPG Holdings:
Headquartered in Taipei, WPG Holdings, a top semiconductor distributor in the Asia-Pacific region, has more than 5,000 employees, more than 250 cooperative suppliers, and 73 distribution points around the world. Revenue in 2023 will reach $21.55 billion. With the vision of "Industry Preferred Channel Benchmark" and adhering to the values of "Teamwork, Integrity, Professionalism and Efficiency", the company has won the "Global Distributor Excellence Award" for 24 consecutive years. In the face of the challenges of intelligent manufacturing, WPG transformed into a data-driven enterprise, established a "big network" platform, promoted the LaaS model, committed to digital transformation, and jointly built an industrial ecosystem.
