Novel LED control circuit, circuit board and LED lamp

The utility model discloses a novel LED control circuit, circuit board and LED lamp, including direct current power supply anode, first LED module and second LED module, first LED module includes first light bar, first resistor and first constant current drive IC, first constant current drive IC includes first chip power supply input terminal, first current detection terminal and first switch tube, first chip power supply input terminal, first current detection terminal and first switch tube, second chip power supply input terminal, second chip power supply input terminal, second chip power supply input terminal, second chip power supply input terminal, second chip power supply input terminal, second chip power supply input terminal and second switch tube. The positive electrode of the direct-current power supply is connected to the positive electrode of the first light bar and one end of the first resistor, the other end of the first resistor is connected to the power input end of the first chip, the negativ