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MAX6653 Datasheet Temperature Monitors And Pwm Fan Controllers

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-2865; Rev 1; 12/03 Temperature Monitors and PWM Fan Controllers General.

General Description

The MAX6653/MAX6663/MAX6664 are ACPI-compliant local and remote-junction temperature sensors and fan controllers.

These devices measure their own die temperature, as well as the temperature of a remote-PN junction and control the speed of a DC cooling fan based on the measured temperature.

Remote temperature measurement accuracy is ±1 °C from +60 °C to +100 ° C.

Key Features

  • o Remote-Junction Temperature Sensor Within ±1°C Accuracy (+60°C to +100°C) o ACPI-Compatible Programmable Temperature Alarms o 0.125°C Resolution Local and Remote-Junction Temperature Measurement o Programmable Temperature Offset for System Calibration o SMBus 2-Wire Serial Interface with Timeout o Automatic or Manual Fan-Speed Control o PWM Fan Control Output o Fan-Speed Monitoring and Watchdog o Fan Fault and Failure Indicators o Compatible with 2-Wire or 3-Wire Fans (Tachometer Output) o +3V.

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