ADM1030ARQ-REEL

Overview

The ADM1030ARQ-REEL is an ACPI-compliant two-channel digital thermometer and over/under temperature alarm manufactured by onsemi. It operates within a supply voltage range of 3 V to 5.5 V and features local and remote temperature sensing with accuracies of ±1°C. The device includes a Pulsewidth Modulated (PWM) fan control output, supporting duty cycles between 33% and 100%. It utilizes a 2-Wire System Management Bus (SMBus) interface for communication and provides programmable interrupt outputs.

Feature Summary

• Integrates local and remote temperature monitoring with high accuracy for system thermal management
• Features PWM fan control with adjustable duty cycle for automated cooling optimization
• Supports SMBus communication with automatic response address capability

Applications

• Notebook PCs
• Network Servers
• Personal Computers
• Telecommunications Equipment

Procurement Notes

Verify the specific suffix REEL against the manufacturer's current datasheet to confirm packaging details and availability status. Confirm that the component meets all required environmental compliance standards for the target application. Ensure compatibility with existing SMBus protocols and PWM control logic before integration into the design.

Selection Notes

Select this component for applications requiring precise thermal regulation in computing environments. It is suitable where ACPI compliance and automated fan speed adjustment are necessary. Consider its operating temperature range and supply voltage requirements to ensure proper functionality within the system constraints.

Part Context

This part belongs to the ADM1030 series of intelligent temperature monitors and fan controllers. It is designed for microprocessor-based systems, offering optimized performance for Pentium III processors. The series provides a solution for reducing temperature guardbanding while maintaining system safety and performance through accurate digital sensing.

Replacement Considerations

Check for direct substitutes such as the ADM1031 or ADM1032 from onsemi or Analog Devices. Verify pinout compatibility and functional equivalence regarding SMBus interfaces and PWM outputs before substitution.