Mobile Charger Using Zener Diode

The usb power mobile charger circuit constructed by using zener diode 4 7v 400mw and switching transistor sl100.

Mobile charger using zener diode. These diodes are available in following numbers in4 148 in34 oa79 etc. D1 1n4007 diode. D2 6 2v zener diode. R3 6 8 kohm 1 8 watt.

The usb port see more about usb here gives dc bias from pin1 and pin4 that power supply regulated by using zener diode depends on the regulating voltage range. It can be used to charge batteries used for toys. Charging problems solutions using zener diode or mobile charging problems 9236640999 diode use in charging fault solution how to test the voltage of a zener diode. D4 sb260 schottky diode.

Part list of the mobile charger circuit. The resistor r7 and diode d4 are to ensure a small amount of trickle charging takes place in case of the scr being in off condition. R2 1 mohm 1 4 watt. A red ring on the terminal marks its cathode.

In this video i ll show you in emergency how you can charge battery using capacitor this is not for practical use you can use this trick only in emergency note risk of electric shock be safe. Applications of battery charger circuit using scr and lm311. Q1 13001 transistor. The main part of the circuit mobile cellphone charger is timer ic ne555 used to charge and monitor the voltage level.

A popular type of diodes are light emitting diodes whic. This type of diode is used for detecting signals. R4 330 ohm 1 4 watt. Types of diode in mobile phone and their function 1.

C1 2 2uf. In the above simple transformerless power supply the circuit shows a reduced dc voltage after the zener diode and a ground connection. Finally the part list you can replace most of them by their closest alternative. Choose the zener diode as per the mobile.

This is a very vague question. Circuit descriptions of mobile cellphone charger. Before trying this circuit take extra care on mobile battery specifications. I m using this with a 120vac supply and i am using a 6v zener diode.

Ic 1 get control voltage to pin 5 by zener diode zd 1. What is the voltage and how will the diode be used. Smd signal diode is also available in black color. It is not connected to the neutral so what do i ground the connection to.

R1 6 8 ohm 1 2 watt. These diodes are made of glass. What provides the ground. D3 1n4148 diode.

Here is a simple project using very common electronics components for charging mobile battery using aa cells.