Thursday, August 11, 2022

Small UWB Module That Delivers Low-Power For IoT Devices

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Combines high accuracy and reliability with low power to ensure compact and efficient operation of battery-driven IoT devices

Ideal for enabling manufacturing engineers to develop advanced products for the IoT market, Murata has launched the world’s smallest ultra-wideband (UWB) module that combines high accuracy and reliability with low power to ensure compact and efficient operation of battery-driven IoT devices.

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Using short-range radio frequency (RF) technology, the Type 2AB UWB + Bluetooth low-energy (BLE) connectivity module can be used in a wide variety of applications where precise detection is essential, which includes ensuring social distancing in the workplace to minimise the spread of COVID-19.

Measuring just 10.5 mm × 8.3 mm × 1.44 mm, the system-in-package (SiP) module incorporates three antennae – two UWB for phased difference of arrival (PDoA) functionality and one for BLE. 

The module’s high-accuracy position detection capabilities and strong security functions make it suitable for sectors such as healthcare/wearables, industrial/commercial and home/consumer. 

The Type 2AB module makes light work of asset tracking, indoor navigation, smart lighting, digital payments and such location applications as proximity device finding. It is equally well suited to use in smart factories, POI/indoor marketing, hospitals, museums, warehouses and underground construction projects. The UWB module offers significant benefits over systems based around Wi-Fi/Bluetooth or GPS technology, the latter proving unsuitable for indoor use due to its reliance on satellite signals.

Compared to chip-on-board designs, the UWB module incorporates Qorvo ICs that reduces mounting areas by around 75%. Other benefits of the resin moulded surface-mounted module with built-in Nordic MCU include improved design flexibility and reduced product development time, for example by eliminating the need to prepare external MCUs for customers.

Additional features include:

  • Excellent memory (256 KB RAM and 1 MB Flash)
  • 3-axis sensor for motion detection
  • Deep sleep mode of 250 nA
  • Voltages from 2.5 V to 3.6 V
  • Operating temperatures from −40°C to 85°C 

“The UWB market is expected to grow by around 30% over the coming years, driven by the burgeoning smartphone, IoT and smart cities sectors”, Toshifumi Oida, Senior Director of the Communication Module Division at Murata. 

“Our ultra-compact, highly reliable Type 2AB module with superior EMI performance is a compelling solution for product developers wanting to serve this market using groundbreaking high-density mounting technology based on RF design.”

“At Qorvo, we support high-performance solutions with our ultra-wideband expertise,” adds Paul Costigan, Senior Director of UWB IoT solutions at Qorvo. 

“Companies will be able to easily add enhanced location and distance sensing to drive business optimisation, enhance workflow efficiency and improve safety in applications like smartphones, cars, and consumer and industrial IoT.”

“The compact module perfectly leverages the high level of integration and computing power of Nordic’s nRF52840 system-on-chip, allowing customers to implement a wirelessly connected UWB ranging product with only a handful of external components, ensuring the smallest possible footprint and lowest power consumption,” says BjørnÅge Brandal, Vice President of Sales & Marketing APAC at Nordic Semiconductor.


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