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Prevent Critical Data Loss From Remote Sensors Due to Dead Batteries

On-demand webinar from LICAP & Richardson RFPD

Applications for IIoT sensors include grid scale power line monitoring, location tracking, real-time utility usage, security, environmental monitoring and more. A key challenge of remote sensors is power supply; a permanent electrical connection requires expensive hardwiring, and isn’t modular. Batteries need frequent replacement, and costs quickly mount.

A viable alternative to costly wiring or primary batteries are autonomous, low-power, energy harvesting and storage.

Examples of low power generators include piezoelectric, TEG, and solar. Harvesting intermittent energy at low power levels requires a suitable storage medium to both aggregate the generated power and support the peak and continuous power requirements of the load. At these low power levels, ultracapacitors (UC) and lithium ion capacitors (LIC) can store days of device run time energy. This, coupled with long cycle life and wide operating temperature range make, UC and LIC the superior energy storage solution for these applications.

LICAP’s UC and LIC products can last for 10-15 years with no required maintenance. The TI bq25570 device harvests power in the microwatts to milliwatts range, from a variety of DC power sources. This device includes a programmable maximum power point tracking (MPPT) sampling network to optimize, for example, solar generated power for ultracapacitor charging. The device also keeps the UC or LIC operating within its proper voltage range, with factory set under-voltage and user programmable over-voltage levels.

Key Takeaways:

  • Ultracapacitors and lithium ion capacitors are ideal energy storage solutions for remote IoT sensors, due to long, no-maintenance service lives
  • Learn what hot and cold environment installations are best for harvesting technology
  • Discover the ease of integrating various low power energy harvesting solutions
  • Ascertain product specifications related to cycling and power capacity
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