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Microsemi Releases Ultra Low Power Sub-GHz Radio In Compact Chip Scale Package For Wireless Sensor Applications

ALISO VIEJO, Calif., Oct. 25, 2012 /PRNewswire/ --  Microsemi Corporation (Nasdaq: MSCC), a leading provider of semiconductor solutions differentiated by power, security, reliability and performance, today announced the availability of a new ultra low power (ULP) radio frequency (RF) transceiver for short-range wireless applications where power consumption is of utmost importance. The ZL70250 sets the bar in terms of low power consumption with only 2 milliamps (mA) of current required to transmit and receive data, enabling extremely long battery life and miniaturization. These two features are particularly important for applications using energy harvesting and battery-powered wireless sensor networks.


The new ULP radio operates in unlicensed frequency bands between 795 and 965 megahertz (MHz) and delivers a data rate of 186 kilobits per second (kbps) to support a wide variety of sensor applications. All components are integrated into a single chip scale package (CSP) with the exception of a bias resistor and a supply decoupling capacitor.

Short-range sensor networks can be used for wireless communication in factories, industrial complexes and commercial buildings, where they improve manufacturing efficiency, safety, reliability, automation and security. Applications include ambient/environmental monitoring, industrial building automation and security, access control, structural health monitoring, tank level monitoring, wireless cold chain tracking for pharmaceutical shipments, and flexible smart cards for embedded energy autonomous sensors, to name a few. Miniaturization is also a key-enabling factor for applications where the weight as well as the size is a constraint. Examples of industry segments that can benefit from an ultra compact wireless sensor include wireless wearable medical monitoring, wireless sensors for aircrafts or vehicles, and traceability tags.

Until recently, batteries such as AA cells have provided a powering solution, but replacing them when they run down can be expensive, especially when sensors are installed behind walls or in other unreachable locations. With the growth in wireless sensor networks, designers need innovative solutions that can be used in miniaturized, ultra compact sensors using small coin cell batteries.

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