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Under the wave of automotive intelligence and personalization, automotive atmosphere lights are becoming the key configuration of various models to enhance their competitiveness. With its excellent performance and innovative design, the solution will create an immersive light and shadow enjoyment for drivers and passengers, which has great marketing value.
Ⅰ. Product Features (Highlights)
1. Intelligent lighting effects: It supports a variety of light change modes such as flowing water, rainbow, and breathing, so that the atmosphere in the car can change at will, meet the personalized needs of drivers and passengers, and greatly improve the driving experience.
2. Strong safety performance: NXP S32K344 MCUs comply with ISO 26262 ASIL-D functional safety level, integrate HSE security engine, and support multiple encryption algorithms and security functions to ensure driving safety.
3. Efficient communication capability: TJA1145 CAN transceiver supports CAN FD data transmission rate up to 5Mbit/s, low power consumption in standby and sleep modes, and selective wake-up function to ensure efficient and stable communication in complex automotive environments.
4. Integrated LED Design: Lextar PO40X01 Smart LED is an integrated package of RGB LED and LED control IC, which is compact in size, supports CAN communication and separate LED hardware temperature monitoring and compensation functions, simplifying circuit design.
Figure: WPG WPI's display board of WPG's automotive ambient lighting solution based on NXP and Lextar Electronics
Ⅱ. Technical specifications
1. NXP S32K344 BCM main control board: support 6 channels of CAN communication, 8 channels of LIN communication and 100 Gigabit Ethernet interface; On-board High-Side/Low-Side Switch and MSDI chips; NXP FS26+FS56 power supply scheme; S32K344 Easy to eliminate I/O resources; Support adaptation to WPI PEPS and UWB solution boards.
2. Lextar PO40X01 LED strip: 5V power supply, with a total of 25 Smart LEDs.
3. RGB LED: support 12-bit PWM dimming, stepless color grading, meet AEC-Q102 standard, working temperature -40°C to 85°C, lumen and wavelength have excellent performance.
4. LED Control IC: 5V power supply, quiescent current 7mA, power saving mode 0.75mA, maximum continuous output current 63mA, support LED temperature detection, built-in temperature compensation algorithm, CAN communication and LAA address access.
Figure: Block diagram of WPG WPI's automotive ambient lighting solution based on NXP and Lextar Electronics
Ⅲ. Application scenarios
This solution is widely used in the interior lighting of various passenger cars and commercial vehicles, such as center console atmosphere lights, ceiling atmosphere lights, door guard panel atmosphere lights, foot socket lights, storage box lights, etc., which can realize the smooth switching of lighting effects, and through precise control and adjustment, the atmosphere lights are perfectly integrated with the interior environment to create a comfortable driving atmosphere.
Figure: Scenario application diagram of WPG WPI's automotive ambient lighting solution based on NXP and Lextar electronic products
Ⅳ. Summary
WPG WPI's automotive ambient lighting solution based on NXP and Lextar electronic products is precisely in line with the development trend of intelligence and personalization in the automotive market with its rich product features, powerful technical specifications and wide range of application scenarios. It not only brings the ultimate light and shadow experience to drivers and passengers, but also provides a powerful choice for automobile manufacturers to enhance product competitiveness, which is expected to set off a new revolution in the field of automotive interior lighting and promote the comprehensive popularization of automotive atmosphere lights from high-end models to low-end models.
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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.
