Multichannel LED light source controller able to programme

The utility model discloses a multichannel LED light source controller able to programme for the multichannel light source collaborative work of the visual system of lead bonding machine in the solution digitally controlled complete set. This system includes: serial communication for acquire the operating condition information of the multiunit LED light source that the PC sent, microprocessor, with serial communication connects, is used for the basis the pulse width modulation control signal of the operating current of a plurality of LED light sources that operating condition information generating pair was answered, a plurality of LED drive circuit, with microprocessor connects for the operating current of corresponding invariant is provided for every passageway LED light source accordingto pulse width modulation control signal control, current foldback circuit, with a plurality of LED drive circuit connect for judge the current operating condition of a plurality of LED drive circuitand in time cut off drive