LM94CIMTX/NOPB

Thermal Management Overview

The LM94CIMTX/NOPB is a quad remote and single local temperature sensor manufactured by Texas Instruments. It features four dedicated remote channels for external diode sensing and one integrated local sensor. The device communicates via an SPI-compatible interface with a 12-bit resolution. It operates within a supply voltage range of 2.7 V to 5.5 V and supports an operating temperature range from -40°C to +85°C. The component is housed in an 8-pin WSON package.

Thermal Management Feature Summary

• Integrates four remote sensing channels alongside a local temperature sensor for comprehensive thermal monitoring.
• Supports digital communication through a standard SPI-compatible serial interface.
• Includes hardware-based fan control capabilities utilizing a PI loop algorithm.

Thermal Management Applications

• Server management systems requiring multi-zone thermal oversight
• Hardware monitors in industrial equipment
• Embedded systems needing precise local and remote temperature acquisition

Thermal Management Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm pinout and electrical characteristics. Ensure the ordering part number matches the required package style and tape/reel specifications. Cross-reference the datasheet revision date to validate compatibility with current design requirements.

Thermal Management Selection Notes

Select this component when multiple independent temperature measurement points are necessary within a single footprint. It is suitable for designs requiring both on-chip and off-chip thermal data acquisition. Consider the SPI interface constraints and available GPIO resources before implementation.

Thermal Management Part Context

This device belongs to the LM94 family of hardware monitors designed for thermal management applications. It provides a compact solution for systems requiring high-accuracy temperature readings across several locations without the need for multiple discrete sensors.

Thermal Management Replacement Considerations

Consult the Texas Instruments LM94 family cross-reference guide for verified substitutes. Ensure any alternative maintains the same quad remote channel configuration and SPI interface compatibility.

Thermal Management FAQ

How many remote temperature sensing channels does the LM94CIMTX/NOPB support?

It supports four dedicated remote channels for connecting external temperature sensors.

What type of interface is used for data communication?

The device uses a standard SPI-compatible serial interface for communication.