nRF52811 SoC is an ideal connectivity chip for applications that
feature a companion microprocessor. Examples include home and industry
gateways that demand low power wireless support for Bluetooth 5, Thread,
and Zigbee smart applications such as those used with smart light
networks, HVAC, and security systems. The SoC is also a good choice for
cost-constrained Bluetooth beacon applications requiring Bluetooth 5
technology’s extended range or employed as part of a Direction Finding
The nRF52811 SoC is accompanied by an updated version (v15.3.0) of Nordic’s nRF5 Software Development Kit (SDK). This SDK includes Nordic’s S112 SoftDevice (a Bluetooth 5 certified RF software protocol “stack”) and a large selection of examples, libraries, and drivers, making it simple for a designer to quickly start product development. (Thread connectivity solutions will be available through Nordic’s upcoming new version (v2.1) of the nRF5 SDK for Thread and Zigbee.)
“The nRF52811 SoC joins the comprehensive family of Nordic multiprotocol products that address the widest scope of applications found today,” says John Leonard, Senior Product Marketing Manager with Nordic Semiconductor. “Whether developers’ primary requirement is direction finding, support for popular RF protocols, high-throughput, long range, or price, Nordic now has an ideal solution, and each is backed by the company’s proven development tools and technical support.”
The nRF52811 SoC’s Bluetooth 5.1 Direction Finding enables positioning solutions to not only rely just on received signal strength indicator (RSSI), but also the actual direction of a signal. This improves accuracy significantly and opens up new applications. There are two types of methods for determining direction, angle of arrival (AoA), where the direction of the received signal is calculated, and angle of departure (AoD), where the direction of the transmitted signal is calculated. Direction finding can operate in either two or three dimensions depending on the selected design complexity and antenna array. The nRF52811 SoC is the ideal choice as a transceiver for both the AoA or AoD scenarios. Bluetooth 5.1 hardware functionality is built-in to the nRF52811 SoC.
The nRF52811 SoC will be produced in a 6x6mm QFN48 package with 32 GPIOs, a 5x5mm QFN32 with 17 GPIOs, and a 2.5x2.5mm wafer level CSP32 with 15 GPIOs. All packages are compatible with those of the nRF52810 SoC enabling reuse of the same PCB layout.
All versions of the nRF52811 SoC are available now. Full capabilities of the nRF52811 SoC—including Bluetooth 5 Long Range, Bluetooth 5.1 Direction Finding, and Zigbee 3.0—will be made available through software releases during 2019.