Wireless battery charging is being used in many battery-powered products like smartphones, smartwatches, and a host of other electronic products. Initially aimed at smaller personnel electronic products, wireless charging technology is now finding its way into vehicle and commercial applications.

This winning combination shows a solution that offers 15W charging of two to four Li-ion cells at a time.

System Benefits:

  • WPC1.2.2 compliant wireless charging transmitter (P9242-R) and receiver (P9221-R) for 15W applications
  • Fully integrated battery management solution in the Renesas RAJ240045
  • The ISL81401 is a 40V bidirectional buck-boost controller with four independent control loops for input/output voltages and currents