A USB vehicle charger circuit project is a DC power converter that converts the 12V vehicle battery voltage into a 5V stable voltage. This circuit utilizes to supply power from a vehicle cigar lighter socket to a compact gadget that requires 5 volts. It is regularly advantageous to have the option to charge mobile phones and numerous different gadgets that can utilize cables to USB sockets for charging.
Some of the time autos or vehicles do not have USB connections, or it might be an assortment of gadgets that should be charged utilizing a USB charger while moving in a vehicle.
This is a DIY project on a USB car charger circuit. The circuit is extremely easy to construct utilizing just three components. The core of the circuit is an LM78M05 which is a 5V positive voltage regulator IC. This IC has many features like thermal overload protection, short circuit protection, safe area protection, and so forth.
Hardware Components
The following components are required to make USB Car Charger Circuit
| S.no | Components | Value | Qty |
|---|---|---|---|
| 1. | Voltage Regulator IC | LM7805 | 1 |
| 2. | Electrolytic Capacitor | 0.33µF, 0.1µF | 1, 1 |
| 3. | USB Type ‘B’ Female Port | – | 1 |
| 4. | Car Battery | 12V | 1 |
7805 Pinout
For a detailed description of pinout, dimension features, and specifications download the datasheet of 7805
USB Car Charger Circuit
Working Explanation
The circuit can be effectively associated with the cigar socket in the vehicle and convert 12volt DC to 5volt DC and charge numerous USB gadgets. The output current of the circuit is 500mA which is sufficient to charge any USB gadget. The circuit is fundamentally a DC to DC converter and can likewise utilize to run numerous 5 to 6volt DC gadgets from the vehicle battery. There are additionally other comparable circuits that you can use to run any 5V or 9V gadgets from vehicle battery like 12V to 5V converter and 12V to 9V converter with 1000mA yield current.
Precautions
- It is important to check and confirm the connections of the 5-volt yield voltage of the circuit with a multi-meter.
- Before interfacing any USB gadget for charging, ensure the circuit is working fine without any soldering or wiring errors and giving 5 volts DC yield output.
Applications and Uses
In its fundamental structure, the USB Car charger utilizes to charge a large group of gadgets from cell phones and tablets to power banks and even certain models of cameras
