The embodiment of the invention discloses a charging control circuit and method, electronic equipment and a charging gun. The charging control circuit comprises an autotransformer, a stepping motor, a motor driving circuit and a main control chip, and a tap is arranged in a high-voltage winding of the autotransformer; wherein one end of the stepping motor is connected with the motor driving circuit, the other end of the stepping motor is connected with a tap of the autotransformer, and a pulse width modulation (PWM) control signal output end of the main control chip is connected with a PWM control signal input end of the motor driving circuit; a tap of the autotransformer is connected with the charging interface; and the motor driving circuit is used for controlling the stepping motor to adjust the tap position of the autotransformer according to a PWM control signal sent by the main control chip.
本申请实施例公开了一种充电控制电路、方法、电子设备和充电枪,所述充电控制电路包括:自耦变压器、步进电机、电机驱动电路和主控芯片,所述自耦变压器的高压绕组中设置有抽头;其中,所述步进电机的一端连接所述电机驱动电路,另一端连接所述自耦变压器的抽头,所述主控芯片的脉宽调制PWM控制信号输出端与所述电机驱动电路的PWM控制信号输入端连接;所述自耦变压器的抽头连接充电接口;所述电机驱动电路用于根据主控芯片发送的PWM控制信号,控制所述步进电机调整所述自耦变压器的抽头位置。
Charging control circuit and method, electronic equipment and charging gun
一种充电控制电路、方法、电子设备和充电枪
2023-10-10
Patent
Elektronische Ressource
Chinesisch
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