INA170EA/250

Current Regulation/Management Overview

The INA170EA/250 is a high-side current shunt monitor manufactured by Texas Instruments, designed for precise current sensing in power management systems. It operates with an input voltage range of 2.7 V to 60 V and supports a supply voltage between 2.7 V and 40 V. The device features a typical accuracy of 0.5% and consumes only 125 uA of operating supply current. Housed in an 8-VSSOP surface-mount package, it functions within a temperature range of -40°C to +85°C. This component integrates current monitoring capabilities suitable for applications requiring reliable high-side detection.

Current Regulation/Management Feature Summary

• High-side current sensing capability for accurate measurement above ground potential
• Integrated precision amplifier with fixed gain configuration for direct output
• Low power consumption design optimized for energy-efficient systems
• Robust input voltage tolerance supporting wide common-mode ranges

Current Regulation/Management Applications

• Battery protection circuits in portable devices
• Overcurrent protection in industrial power supplies
• Current monitoring in motor control systems
• Power management units in computing equipment

Current Regulation/Management Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS3 compliance and moisture sensitivity level 2 handling requirements during storage. Check for manufacturer recommended substitutes if new production is required. Ensure packaging specifications match reel or cut tape needs for assembly processes. Validate technical documentation against latest datasheet revisions before integration.

Current Regulation/Management Selection Notes

Choose this component for applications requiring high-side current monitoring with fixed gain accuracy. Consider the 60 V input range for systems with higher common-mode voltages. Evaluate the 0.5% accuracy specification against system tolerance requirements. Assess the 125 uA supply current impact on overall power budget. Verify compatibility with 8-VSSOP footprint constraints in PCB layout designs.

Current Regulation/Management Part Context

The INA170 belongs to Texas Instruments' family of current shunt monitors, offering integrated solutions for power management. Unlike general operational amplifiers, it provides a dedicated output proportional to shunt voltage drop. The EA/250 suffix indicates specific packaging and testing configurations within the series. This part serves as a specialized interface between low-voltage logic and high-voltage power stages.

Current Regulation/Management Replacement Considerations

• INA170EA/2K5

Current Regulation/Management FAQ

What is the maximum input voltage range supported by the INA170EA/250?

The device supports an input voltage range from 2.7 V to 60 V.

Is the INA170EA/250 suitable for high-side current sensing?

Yes, it is specifically designed for high-side current monitoring applications.

What is the typical accuracy of the INA170EA/250?

The typical accuracy is specified as 0.5%.