LAB power supply with current control (Tip for 10 )

LAB power supply with current control from 0 to 1.5 Ampere (Tip for 10 )



This is simpler version of variable power supply shown in this post.

Voltage is variable from 0 to 30 Volts and current from 0 to 1.5 Ampere.

LM317T is mostly in standard setup.

Potentiometer for voltage control is connected to ADJ pin of LM317T and negative voltage via trim pot, with which you can adjust minimum voltage.

Current control is done using  LM393 comparator and shunt resistror.

Output of LM393 is connected to ADJ pin of LM317T and regulates amperage, sensed over shunt resistor.





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