ADT7476AARQZ-RL7

Thermal Management Overview

The ADT7476AARQZ-RL7 is a thermal monitor and multiple PWM fan controller designed for noise-sensitive or power-sensitive applications requiring active system cooling. It operates on a 3.0 V to 3.6 V supply with a typical current of 1.5 mA. The device monitors up to five voltages, controls and monitors up to four fans, and measures temperatures using one internal sensor and two remote diodes. It features high and low frequency drive signals, automatic fan speed control based on measured temperature, and enhanced acoustic mode to reduce user perception of changing speeds.

Thermal Management Feature Summary

• Monitors up to five voltages and controls up to four fans with automatic speed optimization
• Measures temperature via one internal sensor and two remote diodes with extended range
• Provides thermal protection through bidirectional THERM pin output
• Supports SMBus 2.0 interface with configurable address selection

Thermal Management Applications

• Blade server fan monitoring and control
• Noise-sensitive system cooling management
• Power-sensitive application thermal regulation
• Intel Pentium 4 processor performance monitoring

Thermal Management Procurement Notes

Verify the component status as discontinued in official records. Confirm package type QSOP-24 and interface compatibility before integration. Check for RoHS compliance documentation. Ensure replacement strategies are evaluated due to end-of-life status.

Thermal Management Selection Notes

Select this component for systems requiring integrated thermal monitoring and multi-fan control. Verify voltage supply ranges match system requirements. Consider the availability of remote temperature sensing capabilities. Evaluate the need for SMBus communication protocols.

Thermal Management Part Context

This part belongs to the ADT7476A series of remote thermal controllers and voltage monitors manufactured by onsemi. It is designed for board mount applications in QSOP-24 packages. The series focuses on providing comprehensive thermal management solutions for computing hardware.

Thermal Management Replacement Considerations

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