The ADT7460 dBCOOL controller is a thermal monitor and multiple PWM fan controller for noise−sensitive applications requiring active system cooling. It can monitor the temperature of up to two remote sensor diodes plus its own internal temperature.

FEATUREs
• Controls and Monitors Up to 4 Fans
• 1 On−Chip and 2 Remote Temperature Sensors
• Dynamic TMIN Control Mode Optimizes System Acoustics Intelligently
• Automatic Fan Speed Control Mode Controls 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
• Processor Thermal Control Circuit via THERM Input
• 2−Wire and 3−Wire Fan Speed Measurement
• Limit Comparison of All Monitored Values
• Meets SMBus 2.0 Electrical Specifications (Fully SMBus 1.1−Compliant)
• This is a Pb−Free Device

APPLICATIONS
• Low Acoustic Noise PCs
• Networking and Telecommunications Equipment