A large-current high-resolution driving circuit is provided to control a load in detail by generating a current for high resolution. In a large current high resolution driving circuit, a controller(22) receives a control for driving a load and generates a digital signal corresponding to the control signal. An analog/digital converter(23) generates an analog voltage corresponding to the digital signal. A voltage/current converter(24) generates a current corresponding to the analog voltage signal and transmits the current to the load and drive the load.
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