Overview
Eco Tag is a low-power RFID asset tracking tag engineered for industrial logistics applications where battery replacement is impractical and asset visibility over multi-year deployment periods is essential.
- NFC-enabled microcontroller integrated with an ultra-low-power energy harvesting frontend.
- Autonomous data logging of environmental parameters including temperature and shock events recorded with timestamps.
- Compact rigid-flex PCB assembly allowing conformal mounting on curved asset surfaces.
- Custom power management state machine extending projected battery life beyond five years under typical logistics scan frequencies.
- Validated for industrial temperature range operation and delivered with a companion mobile NFC reader application.
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Challenge
Achieving a battery life of over 5 years on a coin cell while transmitting location updates under high vibration and variable temperatures.
Solution
Implemented ultra low leakage power gating, hardware level state machine handling for RFID protocol, and a high efficiency sub GHz transmitter.
Outcome
Successfully deployed 10,000+ units across central European warehouses with a measured standby current of under 1.2 µA.