NXP enables in-vehicle multi-device wireless charging: Page 2 of 2

September 01, 2020 //By Jean-Pierre Joosting
NXP dual wireless charging using a single MWCT controller
Able to provide wireless charging two mobile devices simultaneously at up to 2x15 W using a single MWCT controller, an industry first

The new MWCT series is enabled by a NXP’s unique hybrid DSC core with dedicated peripherals that allow the 2 Qi protocols to run in parallel in a single MWCT controller. New patented technologies, such as Clean EMC (CEMC), provide breakthroughs in electromagnetic compatibility performance, which is required for CISPR 25 Class 5 in 15-W systems. These innovations allow OEMs to cut the overall system bill of materials.

The NXP MWCT controller family provides car makers with a production-ready solution that is easy to implement through readily available software and hardware design files.

Key features of the multi-device 15-W wireless charging systems include:

  • NXP MWCT2xx3A: 15-W wireless charging transmitter ICs for automotive applications;
  • 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;
  • Simultaneous multiple Qi device charging, charges up to two 15-W devices with only one MWCT controller;
  • NXP possess vast experience with millions of Qi 1.2.4 certified in-vehicle chargers powered by NXP’s software;
  • 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 unique Foreign Object Detection (FOD) methods;
  • Production ready hardware design files and available software.


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