In order to reduce the pollution caused by fuel vehicles to the environment,\nelectric vehicles are becoming the means of transportation. The replacement\nof fuel vehicles by electric vehicles is a future trend. Based on practical requirements,\na 120 kW direct current charger has been designed. Taking the\nMK60DN512 as the core controller, a direct current charger control system is\ndesigned and implemented. The overall solution of the direct current charger\ncontrol system is designed. According to the functional requirements of the\ndirect current charger, a system hardware platform is built based on embedded\ntechnology. The hardware mainly consists of MK60DN512 microcontroller,\nstart/reset circuit, JTAG download/debugging circuit, clock circuit, minimum\nsystem power supply, output voltage sampling and signal conversion\ncircuit, output current sampling and signal conversion circuit, AC relay control\ncircuit and temperature detection circuit.
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