ST Unveils New Bluetooth® 5.2-Certified SoC to Extend Range, Throughput, Reliability & Security

Semiconductor specialist STMicroelectronics (ST) has revealed its latest BlueNRG-LP Bluetooth® LE System-on-Chip (SoC), which leverages the latest Bluetooth features to increase communication range, raise throughput, strengthen security, and save power.

October 23, 2020. By Manu Tayal

Semiconductor specialist STMicroelectronics (ST) has revealed its latest BlueNRG-LP Bluetooth® LE System-on-Chip (SoC), which leverages the latest Bluetooth features to increase communication range, raise throughput, strengthen security, and save power.

The ultra-low-power radio is optimized to consume as little as 3.4mA in receive mode, just 4.3mA when transmitting, and less than 500nA quietly waiting for wake-up events, cutting by half the size of battery needed in most applications and prolonging runtime.

BlueNRG-LP, the 3rd-generation Bluetooth SoC from ST, is the world’s first Bluetooth LE 5.2-certified SoC to support concurrent connections up to 128 nodes, enabling seamless low-latency control and monitoring large numbers of connected devices, for instance from a stylish and intuitive smartphone app.

Combined with high RF-output power, which is programmable up to +8dBm, and excellent RF sensitivity up to -104dBm, the BlueNRG-LP radio SoC can now natively cover a much larger area in beacons, smart lighting, gaming, building automation, industrial and tracking applications.

Furthermore, the communication range can be extended without limit by seamlessly adding Bluetooth LE Mesh, now fully certified and available as part of the comprehensive BlueNRG software and hardware ecosystem.

In addition, BlueNRG-LP supports Bluetooth Long Range mode, which uses coded physical layers (Coded PHY) with Forward Error Connection (FEC) to extend radio-communication range up to hundreds of meters and increase reliability, as well as GATT (generic attribute) caching to connect quickly and efficiently.

The new product comes with the company’s 3rd-generation Bluetooth Low Energy protocol stack certified to Core Specification 5.2 and designed to match its ultra-low-power architecture.

Additionally, this device supports L2CAP Connection-Oriented Channel (CoC), which eases large bidirectional data transfers, multi-role simultaneous connectivity, and Channel Selection Algorithm #2 (CSA #2), which permits robust connections in noisy environments such as home, building, or industrial networks.

Meanwhile, the BlueNRG-LP is available in a choice of 5mm x 5mm QFN32, 6mm x 6mm QFN48, and a miniature 3.14mm x 3.14mm WLCSP49 wafer-level package. With 32KB or 64KB RAM and a choice of temperature range up to 85°C or 105°C, designers get extra flexibility to choose a configuration that best meets their needs.

These devices are covered by the company’s 10-year industrial longevity commitment, assuring users of long-term parts availability. These SoCs are in production now, in QFN48, priced from below USD 1.00 for volume orders.

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