Temperature sensor has dual SMBus interface

Sunnyvale, Calif.&#8212Maxim says its MAX6638, a thermal sensor with &plusmn1&degC accuracy, is the industry's first to include two independent SMBus serial ports, which allow two controllers simultaneous access to temperature data for next-generation notebook computers with upgradeable graphics systems.

The dual SMBus interface lets a GPU card controller and a CPU board controller access the temperature data
of the GPU chip and graphics card. The device also offers one programmable over-temperature output and two programmable ALERT outputs.

Click here to access the product datasheet. The MAX6638, in a 16-pin TQFN, is priced starting at $1.75 (1000-up, FOB USA).

Maxim Integrated Products , 1-800-998-8800,

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