INA283AQDGKRQ1

Current Regulation/Management Overview

The INA283AQDGKRQ1 is a high-accuracy, bidirectional current shunt monitor from Texas Instruments, designed for automotive applications. It features a wide common-mode voltage range of -14V to 80V and supports both high-side and low-side sensing. The device offers an accuracy of ±1.4% over temperature, with a maximum supply voltage of 18V and minimum of 2.7V. Operating current is 600µA, with a working temperature range of -40°C to +125°C. It is housed in an 8-VSSOP package and meets AEC-Q100 qualification standards.

Current Regulation/Management Feature Summary

• Bidirectional current sensing capability for monitoring flow in both directions
• Wide common-mode voltage range supporting high-side and low-side configurations
• High accuracy performance across the specified operating temperature range
• Automotive-grade qualification ensuring reliability in harsh environments

Current Regulation/Management Applications

• Battery management systems in electric vehicles
• Motor control and drive circuits
• Load switching and power distribution units
• Charging station infrastructure monitoring

Current Regulation/Management Procurement Notes

Verify that the ordering suffix matches the required tape-and-reel packaging configuration. Confirm the specific accuracy grade corresponds to the design requirements. Ensure the component meets the necessary AEC-Q100 reliability standards for the target automotive application. Check for any recent product change notices regarding assembly or testing sites.

Current Regulation/Management Selection Notes

Select this component when bidirectional current monitoring is required within a wide common-mode voltage window. The ±1.4% accuracy makes it suitable for precision power management tasks. Consider the 8-VSSOP package for space-constrained PCB layouts. Evaluate the 600µA supply current against system power budget constraints.

Current Regulation/Management Part Context

This part belongs to the INA28x-Q1 family of zero-drift current shunt monitors. It complements other devices like the INA284 by offering specific accuracy and voltage range characteristics tailored for automotive power electronics. The Q1 suffix indicates automotive qualification, distinguishing it from commercial variants.

Current Regulation/Management Replacement Considerations

INA283AQDRQ1 is a documented alternative pin-to-pin compatible option within the same family.