USB car charger adapter circuit design

Subscribe by email

This USB car charger adapter project is a DC DC power converter that safely converts the 12V car battery voltage into stable 5V. This USB car charger circuit can be used to supply power from a car cigar lighter socket to a portable device that require a 5 volts . This circuit makes it possible to power/recharge any USB power-operated device, using in-dash board cigar lighter socket of your car.
The DC supply available from the cigar lighter socket is fed to an adjustable, three-pin regulator LM317L (IC1). R1 and R2 resistors regulate the output of IC1 to steady 5V, which is available at the ‘A’ type female USB socket. Red LED1 indicates the output status and zener diode ZD1 acts as a protector against high voltage.
As you can see in the circuit diagram , the circuit is very simple and require just few common cheap components .
Because this circuit not require many components , you can put all components in the cigar plug socket .

Circuit Diagram: 
USB car charger adapter circuit design schematic


Post new comment

The content of this field is kept private and will not be shown publicly.
This question is for testing whether you are a human visitor and to prevent automated spam submissions.
Enter the characters shown in the image.

Circuit Diagram
Solar powered battery charger using LTC4071

A simple Solar powered battery charger , photovoltaic charger circuit can be designed using...

MAX1555 USB charger circuit design electronic project

This USB charger circuit is designed using the MAX1555 IC circuit manufactured by Maxim...

Portable solar charger designed using LM358N Portable solar charger designed using LM358N

This portable solar charger electronic project is designed using some common electronic parts ....