The invention provides a power supply architecture and a power supply control method of a logic control circuit, and relates to the field of motor power supply control and power supply of the logic control circuit. The second power supply end is powered by high voltage, and the output of the second power supply end is higher than that of the first power supply end; the input end of the first power supply circuit is connected with the first power supply end, and the output is used for supplying power to the logic control circuit; the input end of the second power supply circuit is connected with the second power supply end, and the output is used for supplying power to the logic control circuit; the control chip is connected to the first power supply end and the second power supply end, receives an enable signal through an input pin and outputs a control signal so as to control the power supply on-off of the second power supply end; based on power-on of the first power supply end and the second power supply end, sequential control output is carried out on the first power supply end and the second power supply end through the control chip so as to maintain power supply of the logic control circuit, and the problems that an existing power supply circuit is prone to faults and high in potential safety hazards are solved.
本发明提供了一种逻辑控制电路的供电架构和供电控制方法,涉及电机供电控制领域,对逻辑控制电路的供电,包括:第一供电端,由低压供电;第二供电端,由高压供电,其中所述第二供电端的输出高于所述第一供电端的输出;第一供电电路,输入端连接所述第一供电端,输出用于逻辑控制电路的供电;第二供电电路,输入端连接所述第二供电端,输出用于逻辑控制电路的供电;控制芯片,连接至所述第一供电端和第二供电端,通过输入引脚接收使能信号并输出控制信号,以控制所述第二供电端的供电通断;基于所述第一供电端和所述第二供电端的上电,通过所述控制芯片对所述第一供电端和所述第二供电端进行时序性控制输出,以保持逻辑控制电路的供电,解决现有供电电路容易故障,安全隐患较高的问题。
Power supply architecture and power supply control method of logic control circuit
一种逻辑控制电路的供电架构和供电控制方法
14.05.2024
Patent
Elektronische Ressource
Chinesisch
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