MAX6639 Datasheet (Maxim Integrated Products) - 2-Channel Temperature Monitor

MAX6639, 2-Channel Temperature Monitor

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.

The 2-wire serial interface accepts standard System Management Bus (SMBus TM ) write byte, read byte, sen

MAX6639 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-