ADM1026JST

Overview

The ADM1026JST is a complete thermal and system management controller manufactured by Analog Devices Inc. It serves as a hardware monitor for microprocessor-based systems, providing measurement and limit comparison of various system parameters. The device features up to 19 analog measurement channels, including dedicated inputs for monitoring +3.3 V, +5 V, and ±12 V power supplies, as well as processor core voltage. It includes an on-chip temperature sensor and supports remote temperature sensing via a diode. The component integrates an 8 kB on-chip EEPROM and full SMBus 1.1 support with packet error checking.

Feature Summary

• Provides comprehensive system hardware monitoring with up to 19 analog measurement channels for critical voltages and temperatures.
• Integrates an 8 kB on-chip EEPROM and full SMBus 1.1 support with packet error checking for reliable data communication.
• Features analog and PWM fan speed control outputs along with chassis intrusion detection capabilities.

Applications

• Network servers and personal computers
• Telecommunications equipment
• Test equipment and measuring instruments

Procurement Notes

Verify the specific suffix 'JST' against official Analog Devices documentation to confirm package type and temperature range specifications. Ensure compatibility with existing SMBus interfaces and validate that the pinout matches the intended PCB layout before procurement.

Selection Notes

Select this component when a complete thermal management solution is required for microprocessor-based systems. It is suitable for designs needing multiple analog inputs for power supply monitoring and integrated fan control without external logic.

Part Context

The ADM1026 belongs to Analog Devices' family of system hardware monitors designed for PC and server environments. It consolidates functions typically requiring multiple discrete components into a single IC, simplifying design and reducing board space.

Replacement Considerations

Consult official substitution guides for equivalent thermal controllers from Analog Devices or other manufacturers offering similar SMBus-compatible system management ICs with comparable channel counts.