The following is the relevant introduction of the car USB interface

Advantages of the car USB interface:

The car USB interface belongs to the car transmission line.

It has the advantages of fast transmission speed, convenient use, support for hot swapping, flexible connection, independent power supply, etc. Universal interface for USB devices such as MP3.

The working principle of the car USB interface:

the power supply in the car is converted from DC-12V or DC-24V to DC5V, and then the output of DC-5V is transferred to the corresponding electrical appliances using the unified USB interface.

Because the power of different electrical appliances is different, the power of the car USB car charger is also very different, which is mainly different from the current of the USB car charger.

The main function of the USB interface on the car

Utilize the standard power supply on the car, use the USB as the interface to charge the DC-5V electrical appliances, or use it as a fixed power interface power supply.

Car usb interface

It belongs to the vehicle transmission line, which has the advantages of fast transmission speed, convenient use, support for hot swapping, flexible connection, independent power supply, etc. It is generally a universal interface for inserting USB devices such as U disk and MP3.

The USB port on the car can be used for

Plug in U disk to listen to songs, charge mobile phones, MP3, make usb car cigarette lighter interface, make electronic dog and driving recorder interface, charge computers and tablets.

Working principle

The power supply in the car is converted from DC-12V or DC-24V to DC 5V, and then the output of DC-5V is transferred to the corresponding electrical appliances using the unified USB interface. Because the power of different electrical appliances is different, the power of the USB car charger is also very different, which is mainly different from the current of the USB car charger.

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iphone car charger