RakWireless Coulomb Sensor Analog Devices LTC2941 RAK16002

The RAK16002 is a high-precision coulomb counting sensor module developed by RAKwireless, designed to measure battery charge and discharge in low-power IoT applications. It is built around the Analog Devices LTC2941IDCB and is optimized for use with single-cell Li-Ion batteries, making it ideal for remote and mobile deployments such as GNSS trackers, environmental monitors, and other battery-operated devices. The module integrates seamlessly into the WisBlock ecosystem, connecting via a standard 40-pin WisConnector to base boards like the RAK5005-O. It communicates through an I2C interface and features programmable alert thresholds to notify the system when the accumulated charge exceeds defined limits.With a ±1 A sense current range, 1% charge accuracy, and low quiescent current (<100 µA), the RAK16002 ensures high-efficiency and accurate charge tracking. Its robust design supports an operating temperature from -40 °C to +85 °C and a voltage range of 2.7 V to 5.5 V, making it suitable for a wide range of field and indoor IoT use cases.

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Features :

1. Measures accumulated battery charge and discharge
2. ±1 A sense current range
3. 1% charge accuracy
4. I2C interface for easy integration
5. Low power consumption: <100 µA operating, down to 1 µA in shutdown
6. Configurable alert output/charge complete input
7. Operating voltage: 2.7 V to 5.5 V
8. Operating temperature: -40 °C to +85 °C
9. Compact size: 15 mm x 25 mm
10. Compatible with WisBlock Base boards (e.g., RAK5005-O)

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Package Includes :

1  x  RakWireless Coulomb Sensor Analog Devices LTC2941 RAK16002