INA301A1QDGKTQ1

Current Regulation/Management Overview

The INA301A1QDGKTQ1 is an automotive-grade current monitor integrated circuit manufactured by Texas Instruments. It supports high-side and low-side sensing with an input voltage range of 0V to 36V. The device operates on a single supply voltage between 2.7V and 5.5V, drawing a maximum quiescent current of 700µA. It features a minimum common-mode rejection ratio (CMRR) of 100dB and provides an analog open-drain output. The component is qualified under AEC-Q100 standards for automotive applications and functions within a temperature range of -40°C to +125°C.

Current Regulation/Management Feature Summary

• Supports both high-side and low-side current monitoring configurations
• Provides analog open-drain output signal proportional to sensed current
• Operates with wide common-mode input voltage range up to 36V
• Qualified for automotive environments meeting AEC-Q100 reliability standards

Current Regulation/Management Applications

• Automotive battery management systems
• High-side or low-side current protection circuits
• Power distribution unit monitoring

Current Regulation/Management Procurement Notes

Verify the specific suffix QDGKTQ1 confirms the VSSOP-8 package and automotive grade qualification. Ensure the design accounts for the open-drain output requiring an external pull-up resistor. Confirm the operating voltage stays within the specified 2.7V to 5.5V range. Check that the common-mode voltage does not exceed the 36V absolute maximum rating. Validate thermal performance within the -40°C to +125°C operational window.

Current Regulation/Management Selection Notes

Select this component when precise current monitoring is required in automotive power systems. It is suitable for applications needing wide common-mode voltage tolerance. Consider the open-drain output interface compatibility with downstream logic. Evaluate the 700µA quiescent current against system power budgets. Ensure the VSSOP-8 package fits the available PCB footprint constraints.

Current Regulation/Management Part Context

This part belongs to the INA301 family of current-sensing amplifiers designed for robust industrial and automotive use. It simplifies current measurement by integrating the sense amplifier and reference circuitry. The device eliminates the need for external precision resistors in some configurations, reducing board space. It complements other Texas Instruments power management solutions for complete system protection.

Current Regulation/Management FAQ

What type of output does the INA301A1QDGKTQ1 provide?

It provides an analog open-drain output that requires an external pull-up resistor to function correctly.

Can this device be used for low-side current sensing?

Yes, the INA301A1QDGKTQ1 supports both high-side and low-side current monitoring applications.