The MAX6653 evaluation system (EV system) consists of a MAX6653 evaluation kit (EV kit) and a companion Maxim system management bus (SMBus™) interface board.
The MAX6653 EV kit is an assembled and tested PC board that demonstrates the MAX6653 local/remote temperature sensor and fan-speed regulator. It monitors the junction temperature of an internal and external diode-connected transistor, and converts the temperature to 11-bit, 2-wire serial data. A 2N3906 temperature-sensor transistor comes soldered to the board in a SOT23 package, but it can be removed. The board can then be connected through a twisted pair to a remote diode close to your system.
The MAX6653 also incorporates a closed-loop fan controller that regulates fan speed with either an analog or digital tachometer feedback. Note: Use this EV kit data sheet in conjunction with the MAX6653/MAX6663/MAX6664 data sheet. The EV kit also includes Windows® 98/2000/XP-compatible software, which provides a professional user interface for exercising the MAX6653's features. The program is menu driven and offers a graphical user interface (GUI) complete with control buttons and a status display.
The Maxim SMBus interface board (MAXSMBUS) allows an IBM®-compatible PC to use its parallel port to emulate an SMBus 2-wire interface. Order the MAX6653EVSYS for a complete IBM PC-based evaluation of the MAX6653. Order the MAX6653EVKIT if you already have an SMBus interface.
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