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Применения > > Evaluation Kit for the MAX6639 and MAX6639F (MAX6639EVKIT)

Evaluation Kit for the MAX6639 and MAX6639F (MAX6639EVKIT) (MAX6639EVKIT)

The MAX6639 evaluation kit (EV kit) is an assembled and tested PCB used to evaluate the MAX6639 dual temperature sensor/fan controller. The MAX6639 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 MAX6639 EV kit includes both external diode-connected transistors (2N3906) soldered to the board, which can be bypassed to connect the board 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 EV kit also includes Windows® 2000/XP- and Windows Vista®-compatible software, which provides a simple user interface for exercising the features of the MAX6639. The program is menu-driven and offers a graphical user interface (GUI) complete with control buttons. The EV kit comes with the MAX6639AEE+ installed. Contact the factory for free samples of the pin-compatible MAX6639FAEE+ and MAX6640AEE+.

The MAX6639 EV kit also evaluates the MAX6640. The MAX6640 is not recommended for new designs.


  • Two Thermal-Diode Inputs
  • Local Temperature Sensor
  • Programmable Temperature Alarms
  • Two PWM Outputs for Fan Drive
  • Up to 25kHz PWM Output Frequency
  • Programmable Fan-Control Characteristics
  • 3-Wire and 4-Wire Fan Configurations
  • On-Board Microcontroller to Generate SMBus™ /I²C Commands
  • USB-PC Connection (Cable Included)
  • Windows 2000/XP- and Windows Vista (32-Bit)-Compatible Software
  • Easy-to-Use, Menu-Driven Software
  • Lead(Pb)-Free and RoHS Compliant
  • Fully Assembled and Tested


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