ADM1028ARQ

Overview

The ADM1028ARQ is a low-cost thermal management integrated circuit designed for microprocessor-based systems. It functions as both a temperature monitor and a fan controller, supporting remote thermal diode sensing within an operating range of 0°C to 100°C. The device utilizes an SMBus interface for communication and includes an analog output for linear fan speed control. It features a register bank topology and is housed in a 16-pin SSOP package.

Feature Summary

• Integrates temperature monitoring and fan control capabilities for system thermal management
• Supports remote thermal diode sensing with programmable threshold protection
• Provides analog output for direct fan speed regulation

Applications

• Microprocessor-based system thermal monitoring
• Remote sensor temperature measurement
• Fan speed control loops

Procurement Notes

Verify component authenticity through official Analog Devices channels or authorized distributors. Confirm the specific suffix matches the required package and reel specifications. Check current availability status as this part may be discontinued or subject to lifecycle changes. Ensure compatibility with existing SMBus protocols and voltage levels before integration.

Selection Notes

Select this component when a combined temperature monitoring and fan control solution is required for processor systems. It is suitable for applications needing remote diode sensing and linear fan output. Consider the SMBus interface requirements and SSOP package constraints during PCB layout design. Evaluate if the specified operating temperature range meets the environmental conditions of the target application.

Part Context

The ADM1028 belongs to Analog Devices' thermal management product line, specifically targeting cost-sensitive embedded systems. It complements other power management ICs by providing dedicated thermal protection features. The device integrates analog sensing with digital control interfaces, bridging the gap between simple thermistors and complex digital controllers.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pin-to-pin compatibility and functional equivalence with alternative thermal monitors from Analog Devices or other manufacturers before substitution.