Thermostat with three-wire serial interface smart temperature sensor DS1620 configuration control circuit


Posted on Dec 11, 2010    5766

DS1620 with a microprocessor to monitor temperature, by opening or closing the fan can be changed thermal conditions of the chip to achieve temperature control circuit as shown


Thermostat with three-wire serial interface smart temperature sensor DS1620 configuration control circuit
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in FIG. Which is characterized TCOM signal through 2N7000 type MOSFET, to control the fan, the chip surface temperature t Open the fan when tH, and maintained until t




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