INA3221 3ch Current & Voltage Monitor Sensor | ATMOSFÆR ENGINEERING

INA3221 Triple-Channel Power Monitor

High-precision current and voltage monitoring module featuring three independent channels with I2C interface. Measures up to ±3.2A per channel with 26-bit resolution, ideal for multi-rail power supply monitoring, battery management systems, and energy profiling in embedded applications.

Technical Specifications:

• Supply Voltage: 2.7V - 5.5V
• Measurement Range: ±3.2A per channel
• Voltage Range: 0V - 26V (bus voltage)
• Resolution: 26-bit ADC
• Interface: I2C (up to 400kHz)
• I2C Addresses: Configurable (0x40-0x43)
• Channels: 3 independent
• Accuracy: ±0.2% (typical)
• Operating Temperature: -40°C to +125°C
• Dimensions: 38mm x 32mm 

Compatible with ESP32, Arduino, Raspberry Pi, and other microcontrollers.