ADM1031: Intelligent Temperature Monitor and Dual PWM Fan Controller

Datasheet: Intelligent Temperature Monitor and Dual PWM Fan Controller Rev. 5 (332.0kB)	»View Material Composition »Product Change Notification (9)
Product Overview

The ADM1031 is an ACPI-compliant, three-channel digital thermometer and under/over temperature alarm for use in personal computers and thermal management systems. Optimized for the Pentium® III, the part offers a 1°C higher accuracy, which allows system designers to safely reduce temperature guard-banding and increase system performance.

Features		Benefits
Automatic Fan Speed Control		Allows Control Independent of CPU Intervention after Initial Setup
Control Loop		Minimizes Acoustic Noise and Battery Consumption
Two-Channel Remote Thermal Diode Monitor, Dual PWM Fan Controller for Multi-Fan Based PCs or Notebooks
Pin Compatible with the ADM1030
Programmable (ACPI) and Automatic Fan Speed Control
RPM Select Mode to Maintain Constant Fan Speed
External Temperature Measurement Accurate to 1°C using Remote Diode
0.125°C Resolution on External Temperature Channel
Pulse Width Modulation Fan Control (PWM)
Programmable PWM Frequency

Applications		End Products
Thermal Management		Notebook and Desktop Computers Game Consoles RFID Readers

Technical Documentation & Design Resources
Data Sheets (1)	Package Drawings (1)