INA228AIDGSR

Power Supply Controllers, Monitors Overview

The INA228AIDGSR is an ultra-precise digital power monitor featuring a 20-bit delta-sigma ADC. It supports input voltages from -0.3 V to 85 V and operates on a supply voltage of 2.7 V to 5.5 V. The device draws 640 µA of supply current and functions within a temperature range of -40°C to +125°C. It provides I2C output for precise current, power, energy, and charge monitoring in high-voltage applications.

Power Supply Controllers, Monitors Feature Summary

• Ultra-precise measurement capability enabled by a dedicated 20-bit delta-sigma analog-to-digital converter
• Supports wide common-mode input voltage range extending up to 85 V for flexible system integration
• Delivers comprehensive monitoring data including current, power, energy, and accumulated charge via digital interface

Power Supply Controllers, Monitors Applications

• Digital power management systems requiring high accuracy
• Battery charging and fuel gauge circuits
• Industrial process control equipment
• Telecommunications power infrastructure

Power Supply Controllers, Monitors Procurement Notes

Verify the complete part number against official Texas Instruments documentation to ensure correct package type and temperature grade. Confirm that the specific suffix matches your design requirements for pin configuration and operating conditions before finalizing procurement orders.

Power Supply Controllers, Monitors Selection Notes

Select this component when application demands exceed standard resolution limits, specifically requiring 20-bit precision for low-level signal detection. Ensure the system architecture supports I2C communication protocols and that the 85 V common-mode voltage rating aligns with the highest potential node in the sensing path.

Power Supply Controllers, Monitors Part Context

This device belongs to the INA228 family of digital power monitors designed for high-side or low-side current sensing. It integrates advanced digital filtering and calibration features to maintain accuracy across varying environmental conditions without external components.

Power Supply Controllers, Monitors Replacement Considerations

Consult official substitution guides for compatible alternatives such as the INA226 or INA228 variants with different suffixes. Verify electrical compatibility and pinout consistency before replacing existing designs.