SDK enables Rezence wireless charging

5th February 2014
Posted By : Staff Reporter
SDK enables Rezence wireless charging

Designed for wireless charging applications based on the Rezence standard, the S120 8-link central protocol stack and the nRF51 Wireless Charging SDK has been unveiled by Nordic Semiconductor.

Designed specifically for the nRF51822 SoC, the S120 is an 8-link central role Bluetooth low energy SoftDevice which features all Bluetooth low energy protocol layers up to and including GATT/GAP. It supports multi-link central and observer roles, GATT server and client, and event driven, asynchronous and thread safe GATT/GAP and L2CAP APIs. Due to the S120’s ability to support 8 simultaneous links, the device is suitable for Bluetooth low energy hubs that are not smartphones or tablets. 

Complimenting the S120 is the nRF51 Wireless Charging SDK, which includes services/profiles for a Rezence Power Transmitting Unit (PTU), Power Receiving Unit (PRU) and state machine examples. Further to this, the SDK also offers a wide range of Bluetooth low energy services/profile and also complete examples to simplify and speed up application development. The current nRF51 SDK takes advantage of the nRF51 series flash-based architecture and offers developers a wide range of features and examples such as Over-the-Air Device Firmware Upgrade (OTA DFU). S120 together with the nRF51 Wireless Charging SDK provides a solution for the Out-of-Band (OOB) signaling part of a Rezence charge pad. With the support for 8-link concurrent link, a charge pad based on nRF51822 can support simultaneous charging of up to eight devices.  

Rezence, a wireless power transfer technology, is based on the principles of magnetic resonance and can turn almost any surface into a wireless charging surface capable of powering any Rezence enabled mobile device. This includes retail environments, airports, automobiles, and home and office furniture. Rezence technology can also be integrated into other devices such as laptops and portable chargers, creating world's first truly mobile wireless charging power sources.  

The engineering build of S120 and an updated nRF51 SDK is available as a download for existing customers of nRF51822, which is available at distributor Rutronik. At the Embedded World in Nuernberg/Germany, a highly technical skilled Application Engineer from Nordic Semiconductor can be met at the Rutronik booth (hall1, stand 310).  

 


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