NXP Semiconductors
0820 Mw Nxp In Vehicle Wireless Charging 5f4819a68dd0f

In-Vehicle Controller Wirelessly Charges Two Mobile Devices at Once

Aug. 27, 2020
Single controller simultaneously charges two Qi-enabled mobile devices at up to 2 x 15 W.

NXP Semiconductors now offers the first multi-device, in-vehicle wireless charging solution driven by a single controller and available now in production vehicles. In adopting the new 15-W wireless power standard, NXP’s MWCT series charge controllers enable faster charging and let automakers deliver a way for driver and a passenger to both wirelessly charge mobile devices on a single console.

Using a single MWCT device in the vehicle enables carmakers to benefit from reduced cost and physical footprint for device charging. Based on the Qi standard, the controller supports all Qi-enabled phones, including iPhone, Samsung, Huawei, Xiaomi, and others.

Smartphones, ubiquitous as they have become, are increasingly interoperable with vehicles in applications such as smart car access with NFC. Consumers need their phones to be charged on the go to access information, make purchases, maintain contact with friends and family, and tap emergency services when required. Wireless charging is an elegant solution that gets rid of bulky chargers and cords and is increasingly in demand.

The new MWCT series is enabled by NXP’s hybrid DSC core with dedicated peripherals that allow the two Qi protocols to run in parallel in a single MWCT controller. New patented technologies, such as Clean EMC (CEMC), are said to provide breakthroughs in electromagnetic compatibility performance, which is required for CISPR 25 Class 5 in 15-W systems. As a result, OEMs can reduce the overall system bill of materials.

Additional features of the MWCT controllers include:

  • Multi-coil supported per channel for expansion of charging area
  • Hardware and software solution with NXP’s Qi library powers millions of Qi-certified in-vehicle chargers in the field
  •  Optional NFC for convenience features such as BLE/Wi-Fi pairing, smart car access with NFC, in-car purchases, and NFC card damage protection
  • Future Qi spec is release-ready and includes automotive-grade security to fulfill upcoming requirements
  • Patented Clean EMC (CEMC) signal processing for CISPR 25 Class 5
  • Enhanced safety performance via Foreign Object Detection (FOD) methods
  • Production-ready hardware design files and available software

NXP Semiconductors, www.nxp.com

About the Author

David Maliniak | Executive Editor, Microwaves & RF

I am Executive Editor of Microwaves & RF, an all-digital publication that broadly covers all aspects of wireless communications. More particularly, we're keeping a close eye on technologies in the consumer-oriented 5G, 6G, IoT, M2M, and V2X markets, in which much of the wireless market's growth will occur in this decade and beyond. I work with a great team of editors to provide engineers, developers, and technical managers with interesting and useful articles and videos on a regular basis. Check out our free newsletters to see the latest content.

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About me:

In his long career in the B2B electronics-industry media, David Maliniak has held editorial roles as both generalist and specialist. As Components Editor and, later, as Editor in Chief of EE Product News, David gained breadth of experience in covering the industry at large. In serving as EDA/Test and Measurement Technology Editor at Electronic Design, he developed deep insight into those complex areas of technology. Most recently, David worked in technical marketing communications at Teledyne LeCroy, leaving to rejoin the EOEM B2B publishing world in January 2020. David earned a B.A. in journalism at New York University.

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