INA231 Current-Shunt & Power Monitors

Texas Instruments INA231 Current-Shunt and Power Monitors come with a 1.8V compliant I²C interface that features 16 programmable addresses. The device monitors both shunt voltage drops and bus supply voltage. Programmable calibration value, conversion times, and averaging combined with an internal multiplier enable direct readouts of current in amperes and power in watts. The INA231 senses current on buses that vary from 0V to 28V. The device is powered from a single 2.7V to 5.5V supply, drawing 330µA (typical) of supply current. The INA231 is specified over the operating temperature range of –40°C to +125°C.