Datasheet Details
| Part number | MAX6640 |
|---|---|
| Manufacturer | Maxim Integrated (now Analog Devices) |
| File Size | 250.15 KB |
| Description | 2-Channel Temperature Monitor |
| Datasheet |
 MAX6640 Datasheet
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General Description
The MAX6640 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.
Key Features
- o Two Thermal-Diode Inputs o Local Temperature Sensor o 1°C Remote Temperature Accuracy (+60°C to +100°C) o Two PWM Outputs for Fan Drive (Open Drain; can be Pulled Up to +13.5V) o Programmable Fan-Control Characteristics o Automatic Fan Spin-Up Ensures Fan Start o Controlled Rate-of-Change Ensures Unobtrusive Fan-Speed Adjustments o ±4% Fan-Speed Measurement Accuracy o Temperature Monitoring Begins at POR for FailSafe System Protection o OT and THERM Outputs for Throttling or Shutdown o Measure.