MAX34406TETG+T

Current Regulation/Management Overview

The MAX34406TETG+T is a quad current sense amplifier from Analog Devices / Maxim Integrated, housed in a TQFN-24 package. It features a common-mode voltage range of 2 V to 28 V and offers gains of 25 V/V, 50 V/V, 100 V/V, or 200 V/V. Key electrical parameters include a 120 dB common-mode rejection ratio, 100 uV input offset voltage, 0.6% gain error, and a 3dB bandwidth of 125 kHz. The device operates within a temperature range of -40°C to +85°C.

Current Regulation/Management Feature Summary

• Integrates four independent high-side current sense amplifiers with selectable gain options for versatile monitoring applications.
• Provides high accuracy through low input offset voltage and minimal gain error specifications.
• Supports wide common-mode voltage operation up to 28 V, enabling use in various power supply architectures.

Current Regulation/Management Applications

• High-side current sensing in multi-rail server power distribution systems
• Battery management system monitoring in portable electronics
• Industrial equipment power rail supervision

Current Regulation/Management Procurement Notes

Verify component authenticity and datasheet alignment when sourcing this part due to limited availability status. Confirm the specific gain variant matches design requirements as internal configurations may differ. Check RoHS compliance documentation for regulatory adherence. Ensure storage conditions meet manufacturer specifications to maintain performance integrity during handling and assembly processes.

Current Regulation/Management Selection Notes

Choose this component for designs requiring simultaneous monitoring of multiple current paths with high precision. The integrated quad architecture reduces board space compared to discrete solutions. Verify that the required gain setting aligns with the target signal levels and ADC input ranges. Consider the thermal performance within the TQFN-24 package for heat dissipation needs in enclosed environments.

Current Regulation/Management Part Context

This device belongs to the MAX34406 series of current sense amplifiers. It shares the TQFN-24 footprint with other Maxim Integrated PMICs but differs functionally from power regulators or supervisors. The ETG+ suffix indicates a lead-free, halogen-free compliant version packaged in tape and reel format for automated assembly.

Current Regulation/Management FAQ

What are the available gain settings for the MAX34406?

The amplifier supports fixed gains of 25 V/V, 50 V/V, 100 V/V, and 200 V/V.

Does the MAX34406 support low-side sensing?

No, it is designed specifically for high-side current sensing with a common-mode voltage range of 2 V to 28 V.