ON Semiconductor – Redefining the sensors’ status quo

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For quite some time the semiconductor industry has focused on the needs of heightened market segments related to the IoT. ON Semiconductor offers power management and wireless connectivity, but sensors are what these systems require to interact with any physical elements. The boundaries of what a sensor can do or achieve is constantly being pushed due to a wide availability of devices.

Lower power usage, greater capabilities and improved sensitivity, are primary focal points. ON Semiconductor is breaking free from the common application focal points and constraints by introducing new range of Smart Passive Sensors (SPS) that are still designed to make stunning use of these focal areas, but also change how sensors are thought about and implemented.

Smart Passive Sensors (SPS)
SPS achieve success by being wireless both in data and power transmission, paper thin in form factor, and entirely disposable. At its core, the Smart Passive Sensor utilises commonly used radio frequency (RF/RFID) technology and protocols. The SPS family works using innovative and proprietary technology that defines how data and power are collected – technology that has yet to be seen anywhere in the mass market.

Battery free
The SPS family harvests power to function from the power and data transmission emitting from an RF system. There is no need to worry about standby power consumption, power management or an I/O control system. All that is required is to bring a SPS tag near to an RF reader.

Smart sensor
The SPS family is designed to sense the common and critical environmental factors such as moisture, temperature, pressure, and proximity. The SPS ‘tag’ contains a single, remarkably thin, chip. This device is able to manage power, RF connectivity, and sensing capabilities without the need for a microcontroller.

Scalable connectivity
The SPS family is inexpensive, small and utilises breakthrough technology. Ultimately tags can be placed and embedded into anything. What any sensor designer will realise is that ON Semiconductor unlocks the ability to collect multiple data points (multiple tags) in any hard to access or space-constrained application.

Part NumberDescriptionFrequency BandAttach Material
SPS1M001AQuality-control water intrusion sensor tagFCC 902MHz to 928MHzMetal
SPS1M002AMoisture level detection sensor tagFCC 902MHz to 928MHzNon-metal
SPS1M003AHigh-sensitivity moisture level detection sensor tagFCC 902MHz to 928MHzNon-metal
SPS2T001ATemperature sensor tagComing Q3 2017Non-metal
SPS1M001BQuality-control water intrusion sensor tagETSI 866MHz to 868MHzMetal
SPS1M002BMoisture level detection sensor tagETSI 866MHz to 868MHzNon-metal
SPS1M003BHigh-sensitivity moisture level detection sensor tagETSI 866MHz to 868MHzNon-metal
SPS2T001BTemperature sensor tagComing Q3 2017Non-metal

APPLICATIONS

Healthcare

  • Place in hospital beds to determine occupant presence
  • Place in wristband or patch to monitor condition
  • Place in diaper to detect moisture

Farming/housing

  • Inject under flesh of animal to detect illness and ovulation
  • Embed in soil for smart yard watering
  • Inset in wall to measure water damage or foundation problems post-construction

Automotive

  • Place in vehicle to determine moisture leaks (soak test)
  • Place in seat for occupant presence, number, and weight detection
  • Place on tank for fluid level detection

Support tools

  • Plan your ecosystem
  • Determine project feasibility
  • Proof of concept testing
  • Evaluation and Developer’s Kits (complete RFID system with GUI) Orderable part numbers: SPS1M-EVK (Evaluation kit) SENSORRFGEVK (Development kit)

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