Telecoms, Datacoms, Wireless, IoT


Renesas expands wireless power portfolio

30 September 2020 Telecoms, Datacoms, Wireless, IoT

Renesas Electronics Corporation has introduced the P9415-R wireless power receiver with its exclusive WattShare technology as the newest member of its wireless power solutions portfolio. The new 15 W wireless power receiver enables smartphones, power banks and portable industrial and medical equipment to wirelessly charge other mobile devices and accessories that also have wireless charging capabilities. The P9415-R features up to 5 W of transmit power capability in transmitter/receiver (TRx) mode, as well as receive up to 15 W on Qi transmitters, enabling quick and convenient mobile device charging on the go.

“2020 will be the year wireless charging moves into the mainstream, expanding from premium smartphones to include mid-range devices, and gaining broader adoption into consumer and industrial devices beyond the smartphone market,” said Andrew Cowell, vice president of the Mobility, Infrastructure & IoT Power Business Division. “With the P9415-R, we are excited to bring our state-of-the-art WattShare technology to a wider audience, offering customers broader access to robust, scalable and flexible solutions that enable quick, convenient and cost-effective wireless charging for portable devices.”

Based on Renesas’ proprietary WattShare technology, the P9415-R combines receiver and transmitter capabilities, allowing smartphones, smartwatches, truly wireless ear buds and other devices to be wirelessly charged simply by placing them on top of a smartphone or other industrial and medical portable devices. In WattShare TRx mode, the P9415-R enables these mobile devices to change the power flow direction and deliver up to 5 W of power to charge other devices. Customers can use the same wireless power coil and same P9415 circuitry to both receive and transmit power wirelessly.

Key features of the P9415-R wireless power receiver include:

• MTP non-volatile memory for easy firmware and device function updates.

• GUI support offering greater flexibility for user customisation.

• Receives up to 30 W in proprietary mode.

• UVLO as low as 2,7 V for increased available charging area and fast connections.

• Improved IOUT sensing accuracy for improved foreign object detection capabilities.

• Supports an easier path to QI certification and speeds time to market.

• Bi-directional communications to support proprietary authentication with encryption.

• X-Y alignment circuitry for better receiver/transmitter device alignment.

• WPC 1.3 ready – Renesas’ first WPC 1.3-ready wireless power receiver.

Renesas is the global leader in wireless power solutions for both the power receivers (PRx) used in smartphones and other applications, as well as the power transmitters (PTx) used in charging pads and automotive in-car applications.


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