INA293A5IDBVR

Overview

The INA293A5IDBVR is a unidirectional current sense amplifier from Texas Instruments, designed for high-voltage applications with a common-mode voltage range of -4 V to 110 V. It features a fixed gain of 50 V/V and operates within a supply voltage range of 2.7 V to 20 V. The device offers a bandwidth of 900 kHz and a low input offset voltage of 5 µV. Packaged in a compact 5-pin SOT-23 format, it supports an operating temperature range from -40°C to +125°C.

Feature Summary

• Supports high common-mode voltages up to 110 V for flexible system integration
• Provides ultra-precise measurement capabilities with minimal input offset voltage
• Delivers high bandwidth performance for accurate dynamic signal monitoring

Applications

• Industrial motor control systems
• Power supply current monitoring
• Battery management systems

Procurement Notes

Verify the specific suffix IDBVR corresponds to the SOT-23 package and reel tape configuration required for your assembly process. Confirm that the A5 grade meets your precision requirements regarding offset voltage and gain accuracy. Ensure compatibility with your system's common-mode voltage levels before finalizing procurement specifications.

Selection Notes

Select this component when high-side current sensing is required in environments with large common-mode voltage swings. The fixed 50 V/V gain is suitable for applications where the shunt voltage drop is small relative to the system voltage. Consider the thermal performance of the SOT-23 package if significant power dissipation is expected during operation.

Part Context

This device belongs to the INA293 family of current sense amplifiers, which are engineered for precision measurements in demanding industrial and automotive environments. The family shares architectural similarities but varies in gain options and qualification standards. This specific variant focuses on high-voltage tolerance and moderate precision for general-purpose high-side sensing tasks.

Replacement Considerations

Check for direct pin-compatible alternatives within the same series that offer different gain factors or improved offset specifications. Verify that any substitute maintains the same 110 V common-mode voltage rating and SOT-23 footprint to ensure mechanical and electrical compatibility.