Description
The MCU-219 INA219 Zero Drift Bidirectional Current/Power Monitoring Sensor Module is an advanced analog-front-end sensor designed for precise current and power measurement in both positive and negative directions. Utilizing zero-drift technology, it delivers accurate readings with minimal offset error, making it well suited for high-precision applications requiring reliable current, voltage, and power monitoring. Communication occurs over I2C, allowing straightforward integration with most microcontrollers.
Key Features
- Bidirectional current and power measurement (supports charging and discharging)
- Zero drift technology for high accuracy across temperature variations
- I2C communication interface for easy integration with Arduino, ESP32, Raspberry Pi, and other platforms
- Wide measurement range with high resolution (1.0 mA current, 0.1 mW power)
- Low power consumption and compact design for embedded and portable applications
Specification
- Measurement range: ±3.2A (bidirectional)
- Accuracy: ±1% typical
- Current resolution: 1.0 mA
- Power resolution: 0.1 mW
- Voltage measurement range: 0V to 26V
- Communication interface: I2C (up to 400kHz)
- Operating voltage: 3.0V to 5.5V
- Operating temperature range: -40°C to +85°C
- Package type: QFN-10 (module with pin headers)
Application
- Power management systems (load profiling, efficiency optimization)
- Battery monitoring (charge/discharge tracking, state-of-charge estimation)
- Energy measurement (consumption logging, power metering)
- Solar power monitoring (panel output, battery charge current)
- Robotics and automation (motor current sensing, power budgeting)
Datasheet: For detailed technical information, refer to the INA219 Datasheet.