ADT7468ARQ-REEL7

Thermal Management Overview

The ADT7468ARQ-REEL7 is a board-mount thermal controller and voltage monitor manufactured by onsemi. It features an internal and external temperature sensing topology with a wide operating range from -40°C to +120°C. The device supports SMBus, I2C, and 2-Wire interfaces for digital output. Key functional blocks include an ADC, comparator, fan speed counter, and multiplexer. It operates on a power supply voltage between 3V and 5.5V.

Thermal Management Feature Summary

• Integrates remote thermal control with voltage monitoring capabilities
• Supports multiple digital communication protocols including SMBus and I2C
• Includes built-in fan speed counting and comparison logic

Thermal Management Applications

• Server and storage system thermal management
• Voltage monitoring in industrial equipment
• Fan control loops in embedded systems

Thermal Management Procurement Notes

Verify the manufacturer designation carefully, as this component is produced by onsemi despite the model prefix resembling Analog Devices products. Confirm the specific package variant (QSOP-24) matches your PCB footprint requirements. Check current lifecycle status as distribution data indicates potential discontinuation or limited availability for certain packaging options.

Thermal Management Selection Notes

Select this component when simultaneous temperature regulation and voltage supervision are required in a single IC. Ensure the design accommodates the 3V to 5.5V supply range and utilizes compatible serial bus lines. Consider the ±2°C accuracy specification for critical thermal thresholds and verify that the QSOP-24 package fits the assembly constraints.

Thermal Management Part Context

This part belongs to the ADT7468 series of hardware monitors. It combines thermal sensing with active cooling control, distinguishing it from simple temperature sensors. The REEL7 suffix indicates tape-and-reel packaging suitable for automated surface-mount assembly processes.

Thermal Management Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.