INA3221 Triple Channel Voltage and Current Sensor - Texas Instruments

The INA3221 is a precision triple-channel voltage and current sensor from Texas Instruments, designed for simultaneously monitoring multiple power rails or loads. With three independent sensing channels, a high-resolution 12-bit ADC, and I2C connectivity, it is the ideal solution for multi-load power management, overload detection, and real-time feedback in robotics, embedded systems, and industrial power monitoring applications.

Key Specifications

• Part Number: INA3221
• Manufacturer: Texas Instruments
• Operating Voltage: 3.3V (logic level)
• Max Measuring Voltage: 26V DC per channel
• Number of Channels: 3 (independent)
• ADC Resolution: 12-bit
• Communication: I2C Protocol
• Shunt Resistor: Configurable per channel
• Compatible MCUs: ESP32, Arduino, Teensy, and other 3.3V / 5V microcontrollers

Package Includes

• 1 x INA3221 Triple Channel Voltage and Current Sensor Module

Note: Image is for representation purpose only.