INA234AIYBJR

Power Supply Controllers, Monitors Overview

The Texas Instruments INA234AIYBJR is a high-precision current, voltage, and power monitor featuring a 12-bit analog-to-digital converter and an I²C digital interface. It operates with a maximum common-mode voltage of 28 V and a supply voltage range of 2.7 V to 5.5 V. The device provides accurate measurements for monitoring applications in battery-powered systems and industrial equipment.

Power Supply Controllers, Monitors Feature Summary

• Integrates a 12-bit ADC with an I²C serial interface for direct digital communication
• Supports bidirectional current measurement across the shunt resistor
• Provides configurable alert pins for threshold-based system protection

Power Supply Controllers, Monitors Applications

• Battery management systems
• Industrial process control
• Portable instrumentation

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'A' indicates the accuracy grade and 'YB' denotes the WCSP package variant. Confirm the I²C address configuration matches your system design requirements before integration. Ensure the operating voltage aligns with the specified 2.7 V to 5.5 V range for reliable performance.

Power Supply Controllers, Monitors Selection Notes

Select this component when a compact solution for simultaneous current, voltage, and power monitoring is required. The integrated I²C interface reduces microcontroller overhead compared to analog-output alternatives. Consider the WCSP package size constraints and the need for digital calibration features inherent in this monitor class.

Power Supply Controllers, Monitors Part Context

This part belongs to the INA23x family of current monitors from Texas Instruments. These devices are designed to replace discrete sensing solutions by integrating amplification, conversion, and communication interfaces into a single small footprint, simplifying board layout and reducing component count.

Power Supply Controllers, Monitors Replacement Considerations

Direct pin-compatible replacements within the same family include the INA230 or INA231, depending on the required bit resolution and voltage rating. Verify that the substitute part supports the necessary I²C speed and alert functionality for your specific application.