INA209AIPW

Current Regulation/Management Overview

The INA209AIPW is a high-side, bidirectional current and power monitor manufactured by Texas Instruments. It operates within a supply voltage range of 3 V to 5.5 V and draws a typical operating supply current of 1.5 mA. The device provides an accuracy of 1% and functions reliably across a temperature range from -40°C to +125°C. It is housed in a 16-pin TSSOP surface-mount package.

Current Regulation/Management Feature Summary

• Supports bidirectional current measurement for both sourcing and sinking applications
• Enables high-side monitoring with direct connection to the positive power rail
• Provides integrated regulation capabilities alongside current sensing

Current Regulation/Management Applications

• High-side current monitoring in industrial systems
• Power management circuits requiring bidirectional flow detection
• Battery charging and discharging protection loops

Current Regulation/Management Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and electrical characteristics. Ensure the component matches the required thermal grade for your operating environment. Confirm package dimensions align with your PCB footprint design constraints before finalizing procurement.

Current Regulation/Management Selection Notes

Select this component when bidirectional high-side monitoring is required within a 3 V to 5.5 V supply range. The 1% accuracy suits precision applications. Consider the TSSOP-16 package for space-constrained designs. Verify thermal performance requirements against the specified -40°C to +125°C operating range.

Current Regulation/Management Part Context

This part belongs to the INA209 series of current and power monitors. It is categorized under PMIC and Current & Power Monitors & Regulators. The device integrates sensing and regulation functions into a single compact package for efficient power management solutions.

Current Regulation/Management FAQ

Is the INA209AIPW capable of measuring reverse current?

Yes, the device supports bidirectional current measurement, allowing it to monitor both sourcing and sinking currents.

What is the maximum supply voltage for this monitor?

The maximum supply voltage is 5.5 V, with a minimum operating voltage of 3 V.