Cirrus-6 can control and monitor tach pulses from up to six 12, 24 or 48 VDC fans with open collector or 0-12 VDC control signal requirements. The controller accepts fan speed commands (including ...

As the amount of power dissipated by personal computer's CPU and other heat sources has increased, brushless DC fan control has progressed through several levels of improvement to keep temperatures ...

Withclosed loop speed control, the fan controller ensures that the fan isrunning at the desired speed by measuring the actual speed and adjustingthe duty cycle accordingly. Here the host specifies the ...