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ADM1030

ON Semiconductor
Part Number ADM1030
Manufacturer ON Semiconductor
Description Intelligent Temperature Monitor and PWM Fan Controller
Published Jan 3, 2017
Detailed Description ADM1030 Intelligent Temperature Monitor and PWM Fan Controller The ADM1030 is an ACPI-compliant two-channel digital th...
Datasheet PDF File ADM1030 PDF File

ADM1030
ADM1030

Overview
ADM1030 Intelligent Temperature Monitor and PWM Fan Controller 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 1C 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.
The TACH input can be programmed as an analog input, allowing the speed of a 2-wire fan to be determined via a sense resistor.
The device will also detect a stalled fan.
A dedicated Fan Speed Control Loop provides control even without the intervention of CPU software.
It also ensures that if the CPU or system locks up, the fan can still be cont...


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