INA199C1RSWT

Current Regulation/Management Overview

The INA199C1RSWT is a single-channel, bidirectional current sense amplifier from Texas Instruments. It operates with a supply voltage range of 2.7 V to 26 V and supports common-mode voltages from -100 mV to 26 V. The device features a fixed gain of 50 V/V, a gain bandwidth product of 80 kHz, and an input offset voltage of 5 µV. It draws 65 µA of operating current and offers a common-mode rejection ratio of 100 dB. The component is housed in a 10-UQFN package and functions within a temperature range of -40°C to +125°C.

Current Regulation/Management Feature Summary

• Bidirectional sensing capability for both high-side and low-side applications
• Zero-drift architecture ensuring high precision and stability
• Wide common-mode voltage range supporting various system voltages

Current Regulation/Management Applications

• Battery management systems
• Power supply monitoring
• Industrial process control

Current Regulation/Management Procurement Notes

Verify the specific suffix 'WT' against official Texas Instruments documentation to confirm tape-and-reel packaging specifications. Ensure the order matches the exact part number variant to avoid discrepancies in reel size or handling requirements. Cross-reference the manufacturer's latest datasheet for any updates on environmental compliance or lifecycle status before finalizing procurement.

Current Regulation/Management Selection Notes

Select this component when bidirectional current measurement is required with high accuracy. The zero-drift technology minimizes offset errors over temperature variations. The wide common-mode range allows flexibility in circuit design for both high-side and low-side shunt configurations. Consider the UQFN package for space-constrained PCB layouts.

Current Regulation/Management Part Context

This device belongs to the INA199 family of current sense amplifiers. It shares core architectural features with other variants in the series but differs in gain, accuracy grade, and package type. The RS/WT suffix indicates a specific surface-mount package configuration offered by Texas Instruments for automated assembly processes.

Current Regulation/Management Replacement Considerations

Compatible substitutes include INA199A1RSWR, INA199B1RSWR, and INA199C1DCKR. Verify pinout compatibility and electrical parameter alignment before substitution.