Description:
The INA3221 is a high-precision, three-channel current and bus voltage monitor designed to provide reliable power management in a variety of applications. With its I2C- and SMBUS-compatible interface, the INA3221 offers flexible and accurate monitoring of both shunt voltage drops and bus supply voltages. This makes it an ideal solution for projects requiring precise power monitoring, such as battery management systems, industrial control, and renewable energy systems.
Key Features:
- Triple-Channel Monitoring: Independently monitor up to three different bus voltages.
- High Accuracy: Equipped with a 0.1 ohm, 1% tolerance, 2W current sense resistor, providing ±8mV resolution.
- Wide Voltage Range: Capable of sensing currents on buses ranging from 0 V to 26 V, with ±1.638A current measurement and ±0.4mA resolution.
- Programmable Alerts: Set critical and warning alerts to detect out-of-range conditions, ensuring system reliability.
- Compact Design: Dimensions of 3832 mm and a weight of 4.4g (PCB only), making it easy to integrate into your projects.
- Selectable Addresses: Use I2C 7-bit addresses 0x40, 0x41, 0x44, 0x45, selectable with jumpers for multiple device configurations.
Benefits:
- Enhanced Reliability: Precise monitoring ensures that your system operates within safe parameters, reducing the risk of failures.
- Cost-Effective: High accuracy and programmable features help you optimize power usage, saving on energy costs.
- Easy Integration: Compact design and I2C/SMBUS compatibility make it simple to integrate into existing systems.
Package Included:
- 2 x INA3221 Triple Channel Current Power Voltage Monitor
Technical Specifications:
- Supply Voltage: 2.7 V to 5.5 V
- Operating Temperature: -40°C to +125°C
- Supply Current: 350 uA (typical)
- Resolution: ±8mV (shunt voltage), ±0.4mA (current)