ADT7467 - dBCool Remote Thermal Monitor and Fan Controller
Analog Devices
General Description
The ADT7467 dBCool controller is a thermal monitor and multiple PWM fan controller for noise-sensitive or powersensitive applications requiring ac
Key Features
Controls and monitors up to 4 fans High and low frequency fan drive signal 1 on-chip and 2 remote temperature sensors Series resistance cancellation on the remote channel Extended temperature measurement range, up to 191°C Dynamic TMIN control mode intelligently optimizes
system acoustics Automatic fan speed control mode manages system cooling
based on measured temperature Enhanced acoustic mode dramatically reduces user perception
of changing fan speeds Thermal protection feature via THERM outp.
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FEATURES Controls and monitors up to 4 fans High and low frequency fan drive signal 1 on-chip and 2 remote temperature sensors Series resistance cancellation on the remot...
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remote temperature sensors Series resistance cancellation on the remote channel Extended temperature measurement range, up to 191°C Dynamic TMIN control mode intelligently optimizes system acoustics Automatic fan speed control mode manages system cooling based on measured temperature Enhanced acoustic mode dramatically reduces user perception of changing fan speeds Thermal protection feature via THERM output Monitors performance impact of Intel® Pentium® 4 processor Thermal control circuit via THERM input 2-wire, 3-wire, and 4-wire fan speed measurement Limit comparison of all monitored values Meets SMBus 2.0 electrical sp