Intelligence constant current power supply controller

The utility model discloses an intelligence constant current power supply controller, put U1, resistance R1, electric capacity C1, field effect transistor VT1, diode D1 and triode VT4 including fortune, resistance R1 one end connect respectively VCC, electric capacity C1, resistance R4 and resistance R5, the resistance R1 other end connect the electric capacity C1 other end, fortune respectively to be put U2 homophase end, resistance R3, field effect transistor VT1's the D utmost point and fortune and puts U3 homophase end, and field effect transistor VT1's the S utmost point is connected ground resistance R2 and fortune respectively and is put U1 inverting terminal, and fortune is put the U1 homophase and is held connection input voltage vi, the D utmost point and the resistance R4 other end that U2 inverting terminal connects field effect transistor VT2 are respectively put to fortune, and field effect transistor VT2's G extremely connects fortune puts the U2 output. The utility model discloses intelligence