INA168QPWRG4Q1

Current Regulation/Management Overview

The INA168QPWRG4Q1 is a high-side current shunt monitor and regulator from Texas Instruments, designed for automotive applications. It operates with an input voltage range of 2.7 V to 60 V and features a maximum supply voltage of 60 V. The device offers an accuracy of 0.5% and draws a typical operating supply current of 60 uA. It is qualified under AEC-Q100 standards and functions within a temperature range of -40°C to +125°C. Packaged in a SOT-23-5 surface-mount case, it supports cut tape, reel, and MouseReel packaging formats.

Current Regulation/Management Feature Summary

• High-side current sensing capability for precise monitoring
• Automotive qualification compliant with AEC-Q100 standards
• Wide input voltage range supporting up to 60 V systems

Current Regulation/Management Applications

• Automotive battery management systems
• Current monitoring in electric vehicle powertrains
• Industrial motor control current regulation

Current Regulation/Management Procurement Notes

Verify the specific suffix 'G4' indicates lead-free compliance and RoHS status as per manufacturer documentation. Confirm the 'Q1' designation aligns with required automotive reliability standards. Ensure the SOT-23-5 package matches PCB footprint requirements. Check humidity sensitivity level (MSL) for storage and reflow profile compatibility. Validate that the 0.5% accuracy meets system tolerance specifications.

Current Regulation/Management Selection Notes

Select this component when high-side measurement is required in automotive environments. The wide 60 V input range accommodates various bus voltages. Low quiescent current aids in energy-efficient designs. The compact SOT-23-5 package suits space-constrained layouts. Ensure thermal management supports operation up to 125°C ambient temperature.

Current Regulation/Management Part Context

This part belongs to the INA168 series of current monitors. It is specifically engineered for robust performance in harsh automotive conditions. The device integrates precision amplification for accurate shunt voltage conversion. Its design emphasizes low power consumption and high common-mode rejection.

Current Regulation/Management Replacement Considerations

Check for direct pin-compatible alternatives within the INA168 family. Verify if non-automotive grades meet functional requirements if cost is a driver. Ensure any substitute maintains the same SOT-23-5 package and voltage ratings.