GENERAL DESCRIPTION

The ADM1027 dBCOOL controller is a complete systems monitor and multiple PWM fan controller for noise sensitive applications requiring active system cooling. It can monitor 12 V, 5 V, 2.5 V CPU supply voltage, plus its own supply voltage.

FEATURES

Monitors up to 5 Supply Voltages

Controls and Monitors up to 4 Fan Speeds

1 On-Chip and 2 Remote Temperature Sensors

Monitors up to 5 Processor VID Bits

Automatic Fan Speed Control Mode Controls System Cooling Based on Measured Temperature

Enhanced Acoustic Mode Dramatically Reduces User Perception of Changing Fan Speeds

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)

APPLICATIONS

Low Acoustic Noise PCs

Networking and Telecommunications Equipment