EMC2104-BP-TR

Thermal Management Overview

The EMC2104-BP-TR is a System Management Bus (SMBus) compliant fan controller manufactured by Microchip Technology. It features two programmable fan control circuits and supports up to five temperature channels, including four external and one internal channel. The device provides hardware programmable thermal shutdown limits and utilizes an RPM-based fan speed control algorithm with high accuracy across a wide range of speeds.

Thermal Management Feature Summary

• Supports dual PWM fan drivers compatible with 4-wire fans and includes optional detection for aging fans.
• Features an SMBus interface with Alert compatibility and integrated temperature monitoring with resistance error correction.
• Includes a hardware programmable thermal shutdown output that cannot be altered by software.

Thermal Management Applications

• Notebook Computers
• Embedded Applications
• Projectors
• Industrial and Networking Equipment

Thermal Management Procurement Notes

Verify the component authenticity against the SMSC datasheet revision 1.78 specifications. Confirm the package type matches the 20-pin QFN form factor and ensure compliance with RoHS standards as documented in the ordering information section.

Thermal Management Selection Notes

Select this component when designing systems requiring precise thermal management via SMBus communication. It is suitable for applications needing independent control of multiple cooling fans based on real-time temperature data from various sensor types.

Thermal Management Part Context

This part belongs to the EMC2104 series of fan controllers. It is designed to manage thermal conditions in compact electronic devices by providing accurate temperature sensing and reliable fan speed regulation through digital interfaces.

Thermal Management Replacement Considerations

Check for direct replacements within the same family or cross-reference with other SMBus fan controllers offering similar pinouts and feature sets if availability is constrained.

Thermal Management FAQ

What is the maximum number of temperature channels supported?

The device supports up to five temperature channels, comprising four external channels and one internal channel.

How does the hardware thermal shutdown function operate?

It provides a dedicated system shutdown output triggered by a hardware-programmable temperature limit that cannot be modified by software.