Description
The MAX6639 monitors its own temperature and one external diode-connected transistor or the temperatures of two external diode-connected transistors, typically available in CPUs, FPGAs, or GPUs.
Features
- 2 Thermal-Diode Inputs.
- Up to 25kHz PWM Output Frequency.
- 3 Selectable SMBus Addresses.
- Local Temperature Sensor.
- 1°C Remote Temperature Accuracy.
- Two PWM Outputs for Fan Drive (Open Drain; Can be Pulled Up to +13.5V).
- Programmable Fan-Control Characteristics.
- Automatic Fan Spin-Up Ensures Fan Start.
- Controlled Rate-of-Change Ensures Unobtrusive Fan-Speed Adjustments.
- ±3% Fan-Speed Measurement Accuracy.
MAX6639 Datasheet
