ADM1031: Intelligent Temperature Monitor and Dual PWM Fan Controller

Datasheet: Intelligent Temperature Monitor and Dual PWM Fan Controller
Rev. 5 (332.0kB)
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Product Overview
Product Description
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)
Availability and Samples
Product
Status
Compliance
Description
Package
MSL*
Container
Budgetary Price/Unit
Type
Case Outline
Type
Qty.
ADM1031ARQZ Last Shipments 
Pb-free
Halide free
Intelligent Temperature Monitor and Dual PWM Fan Controller QSOP-16 492-01 1 Tube 98  
ADM1031ARQZ-R7 Last Shipments 
Pb-free
Halide free
Intelligent Temperature Monitor and Dual PWM Fan Controller QSOP-16 492-01 1 Tape and Reel 1000  
ADM1031ARQZ-REEL Last Shipments
Pb-free
Halide free
Intelligent Temperature Monitor and Dual PWM Fan Controller QSOP-16 492-01 1 Tape and Reel 2500  
Moisture Sensitivity level (MSL) for surface mount devices (lead free measured at 260°C reflow, non lead free at 235°C reflow)
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