INA225AQDGKRQ1

Current Regulation/Management Overview

The INA225AQDGKRQ1 is an automotive-grade, bidirectional current shunt monitor manufactured by Texas Instruments. It operates within a supply voltage range of 2.7 V to 5.5 V and supports common-mode voltages from 0 V to 36 V. The device features a programmable gain amplifier with selectable gains for high or low-side sensing. It includes a 12-bit ADC for current measurement and a 16-bit ADC for power calculation, providing precise monitoring capabilities suitable for harsh automotive environments.

Current Regulation/Management Feature Summary

• Bidirectional current sensing capability supporting both high-side and low-side configurations
• Integrated programmable gain amplifier with selectable gain settings for flexible signal conditioning
• Dual analog-to-digital conversion architecture separating current and power data paths

Current Regulation/Management Applications

• Automotive battery management systems
• Electric vehicle charging infrastructure monitoring
• High-voltage DC-DC converter current regulation

Current Regulation/Management Procurement Notes

Verify the specific suffix 'RQ1' confirms AEC-Q100 qualification and tape-and-reel packaging format. Ensure the ordering part number matches the required temperature grade and package variant. Confirm that the source document explicitly lists this exact part number as active and available for production use rather than a discontinued or evaluation-only item.

Current Regulation/Management Selection Notes

Select this component when bidirectional current monitoring is required in automotive applications with common-mode voltages up to 36 V. The integrated PGA allows adaptation to various shunt resistor values without external amplification. Consider the 36 V common-mode limit and the specific accuracy requirements of the application against the device's specified gain error specifications.

Current Regulation/Management Part Context

This part belongs to the INA22x-Q1 family of precision current monitors designed for automotive use. It shares functional similarities with other members like the INA226 but offers specific gain and bandwidth characteristics tailored for electric vehicle and industrial control applications requiring robust bidirectional sensing.

Current Regulation/Management Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.