MAX6640 Datasheet (Maxim Integrated Products) - 2-Channel Temperature Monitor

MAX6640, 2-Channel Temperature Monitor

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.

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

MAX6640 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