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IoT Batteryless
Self-Sustaining
Devices
Hybrid Storage 196
HVC ENYCAP™
Capacitors
The Significance of Maintenance
Cost and Effort
The industry has long been aware that frequent battery
replacement would be an ongoing maintenance challenge
for IoT and metering. This is exactly where Vishay is
offering a genuine problem-solver. Not only does this help
reduce maintenance costs, it also reduces the overall
volume of battery waste being added to landfills.
Compared to the maintenance costs cited above, the
costs for the upgrade combination of a PV cell and an
ENYCAP capacitor are considerably lower and do not
require any monitoring effort because of the substantially
improved deep-discharge stability. As a result, they it can
be installed and forgotten.
Typical environmental effects also reduce the life of IoT
sensors utilizing competing products. This is primarily
due to batteries that cannot, or must not, be used at 50°C
and above. Vishay was already thinking along those lines
and developed the ENYCAP for 85°C operation. This is
particularly important for outdoor applications, especially
considering the increasing average temperatures and
hours of sunshine.
In the 5G era, there will be many small cells—around
streetlights, for example—that can receive compatible IoT
sensor signals. This new 5G technology uses the existing
infrastructure so that, in this case, every smart home,
garden, farming, or monitoring sensor can also transmit
directly to a 5G network.
In theory, all radio technologies can be retrofitted or
upgraded with the PV cell plus a deep-cycle ENYCAP
capacitor solution. However, those radio standards
that use short-burst transmissions are the best choice
because the low ESR of the ENYCAP capacitors can be
used to full advantage in the first milliseconds.
