INA169NA/3K

Current Regulation/Management Overview

The INA169NA/3K is a high-side current shunt monitor manufactured by Texas Instruments, designed for precise current measurement in power management systems. It operates with an input voltage range from 2.7 V to 60 V and features a low quiescent current of 125 µA. The device provides an accuracy of 0.5% and functions within a temperature range of -40°C to +125°C. Packaged in a SOT-23-5 surface-mount case, it delivers a current output proportional to the sensed voltage drop across a shunt resistor.

Current Regulation/Management Feature Summary

• Supports high-side current sensing with a wide common-mode voltage range up to 60 V
• Provides accurate current monitoring with 0.5% specified accuracy
• Features low power consumption with a quiescent current of 125 µA
• Operates reliably across an extended industrial temperature range

Current Regulation/Management Applications

• Battery management systems
• Power distribution units
• Overcurrent protection circuits
• Current monitoring in portable electronics

Current Regulation/Management Procurement Notes

Verify the specific ordering suffix /3K indicates a reel packaging quantity of 3000 units when sourcing components. Confirm that the part number matches the exact manufacturer designation to ensure compatibility with design specifications. Check for RoHS compliance status as indicated in official documentation. Ensure that the supply chain source is authorized to guarantee component authenticity and traceability throughout the procurement process.

Current Regulation/Management Selection Notes

Select this component for applications requiring high-side current monitoring with minimal power impact. The 60 V input range accommodates various bus voltages, while the 0.5% accuracy ensures reliable data acquisition. Consider the SOT-23-5 package for space-constrained designs. Evaluate thermal performance requirements against the +125°C maximum operating temperature limit during system integration.

Current Regulation/Management Part Context

This device belongs to the INA169 series of current monitors from Texas Instruments. It shares functional similarities with other high-side monitors like the INA168 but offers specific performance characteristics tailored for general-purpose current sensing. The family includes variants with different packaging options to suit diverse manufacturing needs.

Current Regulation/Management Replacement Considerations

INA169NA/250 serves as a direct alternative with identical electrical specifications but differs in factory packaging quantity.