INA219 High-Side Current Sensor

About this product

INA219 high-side current, voltage, and power monitor module with I2C interface, measuring bus voltage up to 26V and current up to ±3.2A via a 0.1Ω shunt resistor. Suited for battery monitoring, power profiling, and energy-management projects.

Ultrasonic, IR, temperature, humidity, motion, current, camera and RF sensor modules - plus relay, logic-level and breakout boards for prototyping and production.

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Specifications

IC

INA219 (Texas Instruments)

Interface

I2C (up to 16 programmable addresses)

Bus Voltage Range

0-26V DC

Current Range

±3.2A

Resolution

12-bit ADC (0.8mA at ±3.2A range)

Shunt Resistor

0.1Ω, 1%, 2W (onboard, replaceable)

Supply Voltage

3-5.5V DC

Application

Battery monitoring, power profiling, energy management