Transformer Samsung Mobile Charger Circuit Diagram

As transformer is a bit odd so i ve also decided to draw it by hands.

Transformer samsung mobile charger circuit diagram. Vr1 can be used to set the output voltage from 2 volts to 25 volts. Mobile charger circuit diagram and working principle. First of all lets have a look at the charger s circuit diagram. This dc supply can be used to charge mobiles as well as the power source for digital circuits breadboard circuits ics microcontrollers etc.

In our wireless battery charger we use two circuits. Mobile phones generally charge with 5v regulated dc supply so basically we are going to build a circuit diagram for 5v regulated dc supply from 220 ac. These circuits require only resistors capacitors diodes voltage regulator copper coils and transformer. Wireless battery charger circuit design is very simple and easy.

Capacitor c1 makes the dc ripples free and around 16 volt dc enters into the vin input of the regulator. Wireless mobile charger circuit design. I ve drawn a partial schematic in the video. Cheap 220v ac mobile charger circuit diagram.

The project wireless mobile charger circuit diagram posted here can deliver 271ma at 5 2v so you charge mobile phone and also can be used to drive low power load such as led 1 and led 2 as shown in. Mobile phone charger circuit. Dangerous chinese usb charger no isolation in the transformer duration. The transformer output is rectified by diodes d1 through d4 wired in bridge configuration and the positive dc supply is directly connected to the charger s output contact while the negative terminal is connected through current limiting.

It failed after 2 years of seldom use. In this video i m examining and repairing my faulty usb phone charger 5v 1a switching power supply. The first circuit is transmitter circuit used to produce voltage wirelessly. The 220 240v ac mains supply is down converted to 9v ac by transformer x1.