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MAX6653 - Temperature Monitors and PWM Fan Controllers

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.

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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Datasheet preview – MAX6653

Datasheet Details

Part number MAX6653
Manufacturer Maxim
File Size 297.47 KB
Description Temperature Monitors and PWM Fan Controllers
Datasheet download datasheet MAX6653 Datasheet
Additional preview pages of the MAX6653 datasheet.

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Full PDF Text Transcription

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19-2865; Rev 1; 12/03 Temperature Monitors and PWM Fan Controllers 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. Temperature measurement resolution is 0.125°C for both local and remote temperatures. Internal watchdog set points are provided for both local and remote temperatures. There are two comparison set points for local temperatures and two for remote temperatures.
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