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INA233 Datasheet Bidirectional Current and Power Monitor

Manufacturer: Texas Instruments

General Description

The INA233 device is a current, voltage, and power monitor with an I2C-, SMBus-, and PMBus-compatible interface that is compliant with digital bus voltages from 1.8V to 5.0V.

The device monitors and reports values for current, voltage, and power.

The integrated power accumulator can be used for energy or average power calculations.

Overview

INA233 SBOS790A – APRIL 2017 – REVISED MARCH 2025 INA233 36V, 16-Bit, Ultra-Precise I2C and PMBus Output Current, Voltage, Power, and Energy Monitor With Alert.

Key Features

  • Senses Bus Voltages From 0V to 36V.
  • High-Side or Low-Side Sensing.
  • Reports Current, Voltage, and Power.
  • Integrated Power Accumulator for Energy and Average Power Monitoring.
  • High Accuracy:.
  • 0.1% Gain Error (Max).
  • 10µV Offset (Max).
  • Configurable Averaging Options.
  • Independent Alert Limits for Current, Bus Voltage, and Power.
  • 1.8V Compliant I2C, SMBus, PMBus Interface.
  • 16 Programmable Addresses.