Thermostat Switch For Automotive Electric Fans Circuit


Posted on Jun 24, 2012

The circuit, is based on a commercial temperature sensor (TS6178) and an MC3334P ignition chip, When the radiator temperature increases, the sensor pulls the base of Q2 low via Ql, which is wired as a diode. Q2`s collector thus goes high and triggers IC1,


Thermostat Switch For Automotive Electric Fans Circuit
Click here to download the full size of the above Circuit.

which switches its pin 7 output high and turns on the fan motor via Q3.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Triangle-square-wave-generator
Visual-level-indicator
4-Way Logic Probe
Battery Powered Burglar Alarm
Mini LOGGER V1.0 Block Diagram
Circuit Reads Encoder Direction of Movement
frequency counter PIC-Based Digital
Noise making circuits
Frequency counter hardware keys schematic
Advertising lights controller circuit diagram 555



Top