MAX6641AUB92+T

Thermal Management Overview

The MAX6641AUB92+T is a board-mount temperature sensor IC manufactured by Analog Devices Inc./Maxim Integrated. It functions as an SMBus-compatible thermal monitor with an automatic PWM fan-speed controller. The device supports both local and remote sensing configurations, utilizing internal and external sensors. Key electrical parameters include a supply voltage range of 3 V to 5.5 V, an operating temperature range of -40°C to +125°C, and a measurement accuracy of ±4°C. The component features an 8-bit resolution and communicates via a 2-Wire, I2C, or SMBus interface. It is housed in a USOP-10 surface-mount package.

Thermal Management Feature Summary

• Integrates automatic PWM fan-speed control functionality alongside temperature monitoring capabilities.
• Supports dual-sensing topology with provisions for both local and remote temperature detection.
• Provides digital output alarms for overtemperature conditions via SMBus interface.

Thermal Management Applications

• Thermal management in computer systems
• Server chassis cooling control
• Peripheral device temperature monitoring

Thermal Management Procurement Notes

Verify the current lifecycle status of this part number before procurement planning, as it may be subject to limited availability or discontinuation. Confirm that the USOP-10 package dimensions align with the target PCB footprint design. Ensure the SMBus address configuration meets system requirements for multidrop applications. Validate that the 3V to 5.5V supply range matches the host platform power rails.

Thermal Management Selection Notes

Select this component when simultaneous temperature monitoring and active fan speed regulation are required within a single integrated circuit. The SMBus compatibility ensures straightforward integration into existing digital thermal management architectures. Consider the ±4°C accuracy specification against the thermal tolerance requirements of the protected components. The USOP-10 package offers a compact solution for space-constrained designs requiring both local and remote sensing inputs.

Thermal Management Part Context

This component belongs to the MAX6641 series of thermal monitors and fan controllers from Maxim Integrated. It is designed specifically for managing thermal environments in electronic equipment where precise temperature tracking and active cooling control are critical. The series typically includes variants with different packaging options and addressing configurations to suit various system integration needs.

Thermal Management Replacement Considerations

Publicly confirmed substitute part numbers for this specific component were not identified in the available documentation. Verify compatibility with alternative thermal monitors if this part is discontinued or unavailable.