Key Features

✔ High-Side Current Sensing – Measures current without disrupting the ground path. ✔ Wide Voltage Range – Supports 0V–26V DC and ±3.2A (configurable up to ±16A with shunt resistors). ✔ High Accuracy – ±1% current measurement precision with 0.1mA resolution. ✔ Measures Voltage, Current & Power – Single module provides comprehensive power analytics. ✔ I²C Interface – Easy connection to microcontrollers (Arduino, ESP, Raspberry Pi). ✔ Bidirectional Sensing – Detects both positive and negative current flow (charging/discharging). ✔ Configurable Sensitivity – Adjustable shunt resistor for different current ranges. ✔ Compact & Breadboard-Friendly – Small footprint for easy integration.

Technical Specifications

• Voltage Range: 0V–26V DC

• Current Range: ±3.2A (default), expandable to ±16A with external shunt

• Measurement Accuracy:

  • Voltage: ±0.1V

  • Current: ±1%

  • Power: Calculated from V × I

• Resolution:

  • Current: 0.1mA

  • Voltage: 4mV

• Communication: I²C (0x40 default, configurable address)

• Operating Voltage: 3V–5.5V (logic level)

• Dimensions: 25mm × 15mm × 5mm

• Weight: ~3g

Applications

• Battery Monitoring – Track charge/discharge cycles in Li-ion, solar, or DIY power banks.

• Power Supply Analysis – Measure efficiency and load consumption in DC circuits.

• Robotics & Drones – Monitor motor current to prevent overloads.

• Solar Energy Systems – Optimize panel performance with real-time current/voltage data.

• IoT & Smart Devices – Log power usage in connected electronics.