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ADM1030ARQ Datasheet PDF - ON Semiconductor

Part NameDescriptionManufacturer
ADM1030ARQ Intelligent Temperature Monitor and PWM Fan Controller ON-Semiconductor
ON Semiconductor ON-Semiconductor
ADM1030ARQ Datasheet PDF : ADM1030ARQ pdf   
ADM1030 image

PRODUCT DESCRIPTION
The ADM1030 is an ACPI-compliant two-channel digital thermometer and under/over temperature alarm, for use in computers and thermal management systems. Optimized for the Pentium III, the higher 1rC accuracy offered allows systems designers to safely reduce temperature guardbanding and increase system performance. A Pulsewidth Modulated (PWM) Fan Control output controls the speed of a cooling fan by varying output duty cycle. Duty cycle values between 33%–100% allow smooth control of the fan. The speed of the fan can be monitored via a TACH input for a fan with a tach output.

FEATURES
Optimized for Pentium® III: Allows Reduced Guardbanding
Software and Automatic Fan Speed Control
Automatic Fan Speed Control Allows Control Independent of CPU Intervention after Initial Setup
Control Loop Minimizes Acoustic Noise and Battery Consumption
Remote Temperature Measurement Accurate to 1OC Using Remote Diode
0.125OC Resolution on Remote Temperature Channel
Local Temperature Sensor with 0.25OC Resolution
Pulsewidth Modulation Fan Control (PWM)
Programmable PWM Frequency
Programmable PWM Duty Cycle
Tach Fan Speed Measurement
Analog Input To Measure Fan Speed of 2-Wire Fans (Using Sense Resistor)
2-Wire System Management Bus (SMBus) with ARA Support
Overtemperature THERM Output Pin
Programmable INT Output Pin
Configurable Offset for All Temperature Channels
3 V to 5.5 V Supply Range
Shutdown Mode to Minimize Power Consumption

APPLICATIONS
Notebook PCs, Network Servers and Personal Computers Telecommunications Equipment

 

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