Datasheet Summary
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19-5703; Rev 1; 11/11
6-Channel Intelligent Fan Controller
General Description
The MAX31785 is a closed-loop multichannel fan controller. Automatic closed-loop fan control saves system power by operating the fans at the lowest possible speeds. Added benefits of slower fan speeds include lower audible noise, longer fan life, and reduced system maintenance. Based on a user-programmable lookup table (LUT), the device automatically adjusts the speeds of the six independent fans based on one or more of the 11 available temperature sensors. Alternately, an external host can manually mand the fan speeds and the device automatically adjusts the fan speeds. The device...