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System monitor measures own temp

Posted: 04 May 2005 ?? ?Print Version ?Bookmark and Share

Keywords:maxim integrated products? maxim? system monitor? max6617?

Maxim Integrated Products unveiled a 1C system monitor that can accurately measure its own die temperature, the temperatures of two external, diode-connected transistors, and report the temperature data using a 2-wire serial interface.

For added functionality, the MAX6617 monitors its own supply voltage and an external voltage such as thermistor or an additional rail. The combination of high accuracy and multiple thermal/voltage measurements makes this new product the ideal choice for notebook computers, desktop computers and servers, said Maxim.

The MAX6617's internal architecture provides ease of use by autonomously functioning with a programmable temperature and voltage scanning profile. The fail-safe monitoring scheme does not require any programming by the system controller on power-up, while the fail-safe voltage-programmable temperature limit and fail-safe output provide additional hardware protection for CPU over-temperature operating conditions. In addition, an SMBus timeout feature enhances overall system reliability.


Packaged in 24-Pin SSOP and 24-Pin QSOP, the MAX6617 operates from the 3V to 5.5V supply voltage range while consuming 1mA of supply current. It is specified over the -40C to 125C temperature range. Prices start at $1.95 for the MAX6617 (1,000-up, FOB USA).

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