Motor driving circuit and equipment

The invention discloses a motor driving circuit and equipment, and relates to the technical field of pulse width modulation. In the motor driving circuit, the input end of an operational amplifier conversion circuit is connected with a power supply circuit to obtain a PWM waveform with a complete period, a waveform generation circuit in the operational amplifier conversion circuit is provided with a first operational amplifier used for providing a reference voltage and obtaining a PWM waveform of an upper half period, and a second operational amplifier used for generating a PWM waveform of a lower half period; a second operational amplifier is arranged in a waveform flipping circuit in the operational amplifier conversion circuit and used for flipping the reference voltage to obtain a PWM waveform of a lower half cycle; the output end of the operational amplifier conversion circuit is connected with the input end of the driving circuit and used for transmitting the PWM waveform with the complete period, and t