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The MAX6640 evaluation kit (EV kit) is an assembled and tested PC board with a mounted MAX6640. The EV kit allows full evaluation of the MAX6640 dual temperature sensor/fan controller. The MAX6640 monitors its own die temperature and the junction temperature of one external diode-connected transistor or the junction temperatures of two external diode-connected transistors. It converts the temperature to 8-bit or 11-bit 2-wire serial data that can be accessed over a 2-wire serial bus.
The MAX6640 EV kit includes both external diode-connected transistors (2N3906) soldered to the board, which can be removed. The board can then be connected through a twisted pair to remote diodes close to your system.
The temperature data is also used by the internal dual PWM fan-speed controller to adjust the speed of up to two cooling fans. Speed control is accomplished by tachometer feedback from the fan.
The MAX6640 evaluation system consists of a Maxim Command Module (CMOD232) and a MAX6640 EV kit. The CMOD232 board connects to a computer's RS-232 serial port to provide a computer-controlled SMBus™/I²C* bus. Windows® 95/98/2000/XP-compatible software provides a user-friendly interface to exercise the features of the MAX6640. The program is menu driven and offers a graphic interface with control buttons and status display.
The MAX6640EVKIT can also evaluate the MAX6639. Order a free sample of the MAX6639AEE through Maxim's website. Order the MAX6640EVCMOD2 for a complete PC-based evaluation of the MAX6640. Order the MAX6640EVKIT if you already have a CMOD232 SMBus interface.
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