INA210AQDCKRQ1

Overview

The INA210AQDCKRQ1 is an automotive-grade, zero-drift current shunt monitor manufactured by Texas Instruments. It features a bi-directional architecture supporting high-side and low-side measurements with a voltage output. The device operates within a supply voltage range of 2.7 V to 26 V and maintains functionality across an extended temperature range from -40°C to +125°C. Key electrical characteristics include a maximum input offset voltage of 0.5 µV, a gain bandwidth product of 14 kHz, and a supply current of 65 µA. It is housed in a compact SC-70-6 surface-mount package.

Feature Summary

• Zero-drift technology ensures minimal offset voltage drift over temperature variations for high precision.
• Bi-directional design allows accurate measurement of current flow in both directions.
• Supports both high-side and low-side current sensing configurations.
• Automotive qualification meets AEC-Q100 standards for reliability.

Applications

• Automotive battery monitoring systems
• High-side current sensing in vehicle power distribution
• Low-side current monitoring in automotive control modules
• Bidirectional energy flow measurement in electric vehicles

Procurement Notes

Verify the specific suffix 'Q1' confirms AEC-Q100 automotive qualification status. Confirm the 'CKR' suffix indicates the SC-70-6 package and reel packaging format. Ensure the datasheet revision matches the required design specifications. Cross-reference the manufacturer part number with authorized distributors to confirm authenticity and traceability.

Selection Notes

Select this component when zero-drift performance is critical for long-term accuracy in automotive environments. The wide common-mode voltage range supports various bus voltages up to 26 V. Consider the SC-70-6 package size for space-constrained PCB layouts. Verify that the 14 kHz bandwidth meets the dynamic response requirements of the application.

Part Context

This part belongs to the INA210 series of current shunt monitors. It is specifically designed for automotive applications requiring high precision and stability. The zero-drift architecture distinguishes it from standard amplifiers by eliminating chopper-induced noise and offset drift. It serves as a key component in modern automotive electronics where reliable current measurement is essential for safety and efficiency.

FAQ

Does the INA210AQDCKRQ1 support bidirectional current measurement?

Yes, the device is designed for bi-directional current sensing, allowing measurement of current flow in both directions.

What is the maximum supply voltage for this component?

The maximum supply voltage rating is 26 V.

Is this component qualified for automotive use?

Yes, the Q1 suffix indicates it is AEC-Q100 qualified for automotive applications.