onsemi ADM1030
The ADM1030 is an ACPI-compliant two-channel digital thermometer and under/over temperature alarm, for use in computers and thermal management systems. Optimized for the Pentium III, the higher 1 C accuracy offered allows systems designers to safely reduce temperature guardbanding and increase system performance. The speed of the fan can be monitored via a TACH input for a fan with a tach output.| Part No. | ADM1030 |
|---|---|
| Datasheet | ADM1030 Download |
| Manufacturer |  onsemi |
| Description | Intelligent Temperature Monitor and PWM Fan Controller |
| Buy | Stock & Price |
ADM1030 Intelligent Temperature Monitor and PWM Fan Controller Optimized for the Pentium III, the higher 1C accuracy offered allows systems designers to safely reduce temperature guardbanding and increase system performance. A Pulsewidth Modulated (PWM) Fan Control output controls the speed of a cooling fan by varying output duty cycle. Duty cycle values between 33%–100% allow smooth control of the fan. The TACH input can be programmed as an analog input, allowing the speed of a 2-wire fan to be determined via a sense resistor. The device will also detect a stalled fan. A dedicated Fan Speed Control Loop provides control even without the intervention of CPU software. It also ensures that if the CPU or system locks up, the fan can still be cont
