NCT7491 Overview
NCT7491 Remote Thermal Monitor and Fan Controller with PECI 3.0 Interface and SMBus patible Master The NCT7491 is a two−wire serially programmable hardware monitor. It can monitor 2 remote temperature zones and its own ambient temperature. A PECI 3.0 single wire interface allows the NCT7491 to monitor CPU temperatures.
NCT7491 Key Features
- PECI 3.0 Master for CPU Monitoring
- SMBus patible Master
- On-chip Temperature Sensor
- 2 Remote Sensor Channels
- Series Resistance Cancellation on Remote Sensors
- 3 PWM Fan Control Outputs
- 4 Tach Monitoring Input
- PWM Automatic Fan Speed Control
- 4 Analog Inputs for Voltage Monitoring
- Vdd Supply Voltage Monitoring