THMC50DBQR

Overview

The THMC50DBQR is a remote and local temperature monitor and fan controller featuring an SMBus interface. Manufactured by Texas Instruments, this thermal management IC supports both internal and external sensor inputs for comprehensive thermal oversight. It operates within a supply voltage range of 3.3V and functions across an extended temperature range of -40°C to +125°C. The device utilizes a 16-pin SSOP package and includes standby current specifications of 500uA. It provides digital output via the SMBus protocol for system integration.

Feature Summary

• Integrated remote and local temperature monitoring capabilities
• SMBus serial interface for digital communication
• Supports both internal and external sensor configurations
• Fan control functionality with low standby current

Applications

• Server and workstation thermal management systems
• Industrial equipment requiring precise temperature monitoring
• Consumer electronics with active cooling requirements
• Embedded systems utilizing SMBus communication protocols

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package integrity and pin alignment upon receipt. Check for obsolescence status as some listings indicate discontinued availability. Ensure compatibility with existing SMBbus host controllers and validate operating temperature ranges against specific application requirements before deployment.

Selection Notes

Select this component when integrated thermal monitoring and fan control are required in space-constrained designs. The SMBus interface simplifies system integration compared to parallel interfaces. Consider the 16-SSOP package size for PCB layout constraints. Verify that the 3.3V supply voltage aligns with the target system architecture and that the specified temperature range meets environmental operating conditions.

Part Context

This part belongs to Texas Instruments' thermal management integrated circuit portfolio. It falls under the broader category of power management ICs designed for system protection and efficiency. The THMC50 series typically offers solutions for monitoring critical thermal parameters in computing and industrial applications, providing essential data for system health and performance optimization.

Replacement Considerations

Check for direct cross-reference part numbers from Texas Instruments or compatible third-party manufacturers. Verify pin-to-pin compatibility if substituting with similar thermal monitors. Ensure the replacement maintains SMBus interface support and equivalent temperature sensing accuracy. Review updated datasheets for any changes in electrical characteristics or package dimensions.