EMC2105-BP-TR

Thermal Management Overview

The EMC2105-BP-TR is an SMBus compliant fan controller featuring a high-side fan driver and hardware thermal shutdown. It supports up to five temperature channels, including four external diodes and one internal channel. The device utilizes an RPM-based fan speed control algorithm with 2% accuracy from 500RPM to 16k RPM. It includes a programmable temperature look-up table for fan response management. The component operates on a 3.3V supply voltage and is housed in a 20-pin QFN package.

Thermal Management Feature Summary

• Integrates a high-side fan driver capable of managing fan speed via RPM-based algorithms or direct drive settings.
• Provides sophisticated temperature monitoring with resistance error correction and beta compensation for accurate readings.
• Includes a hardware-programmable thermal shutdown mechanism that functions independently of software control.
• Supports multiple temperature input types, including external diodes and thermistors, with dedicated fault detection.

Thermal Management Applications

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

Thermal Management Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm package type and environmental compliance. Ensure compatibility with SMBus 2.0 interfaces and 3.3V logic levels during integration. Confirm that the selected variant meets the required operating temperature range for the intended application environment.

Thermal Management Selection Notes

Select this component when precise thermal management is required for systems utilizing high-side fans. Consider its capability to handle multiple temperature zones and its hardware safety features for critical circuitry protection. Evaluate the need for RPM-based control accuracy versus simpler direct drive methods based on system complexity.

Thermal Management Part Context

This part belongs to the EMC2105 series of fan controllers manufactured by Microchip Technology (formerly SMSC). It is designed specifically for applications requiring reliable thermal regulation through integrated sensing and control mechanisms. The series emphasizes hardware-level safety features alongside programmable software control options.

Thermal Management Replacement Considerations

Consult official Microchip documentation for verified substitute part numbers within the same product family or cross-reference compatible devices with identical pinouts and functional specifications.