Qi2 MPP-compliant in-cabin wireless charging
indie Semiconductor has launched a highly-integrated automotive 15W wireless charging system-on-chip (SoC) for in-cabin applications.
The iND87204 wireless charging controller is fully compliant with the Wireless Power Consortium’s (WPC) Qi 2.0 technical standard and adds support for the new Magnetic Power Profile (MPP) feature, or Qi2.
Qi2 improves in-cabin wireless charging by magnetically aligning devices with inductive charger coils for more energy efficient, reliable and convenient charging. The SoC integrates multiple ARM Cortex cores, with an M4F for application and M0 for WPC stack processing alongside all the in-vehicle serial interfaces, power management, DC-DC conversion, signal conditioning, WPC inverter drivers, power FETs and peripheral drivers.
With an integrated buck regulator that generates all required bias voltages, integrated boost regulator, 2MB of flash memory and NTC temperature monitoring, the SoC enables a fully Qi2-compliant wireless charging solution delivering up to 15W of power.
First reference design for Qi2 wireless charging
WPC’s latest standard featuring the MPP capability will accelerate the demand for automotive wireless charging due to its much-improved charging reliability enabled by maintaining portable devices in the optimal position irrespective of a vehicle’s motion.
The global in-car automotive wireless charger market is estimated1 at U.S. $1.9 billion in 2024, and is forecasted to grow to $13.6 billion by 2034-end, representing a 21.9% CAGR over this period.
“Drivers and passengers are demanding seamless, rapid and more reliable portable device charging experiences in-vehicle. Building upon the success of our first-generation wireless charging solution iND87200, the iND87204 delivers on this vision, featuring the industry’s highest component integration for a Qi2 MPP-compliant SoC design, while simultaneously reducing the implementation footprint and external bill-of-materials by up to 50% relative to existing solutions,” said Fred Jarrar, vice president and general manager of indie Semiconductor’s Power and ASIC Business Unit.
“Our iND87204 is supported by high levels of SoC integration and turn-key firmware designs, speeding time to market for our customers while also derisking their developments. The system innovation will help to accelerate OEM deployment of mass-market Qi2-based automotive charging, and create a more engaging in-cabin experience for consumers.”
The iND87204 is sampling with lead customers now and will be production released in the fourth quarter of 2024, fully qualified to AEC-Q100 Grade 2.
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