Homemade Mobile/car Charger

by COMTAR in Workshop > Cars

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Homemade Mobile/car Charger

You can install the whole circuit inside the box.png

In today's era, we can hardly live without chargers. Imagine that your mobile phone is out of power, it would be a headache, and today's mobile/car charger DIY works can help you solve this problem, or it is more like a power bank. Of course, you can also integrate this circuit into the car's cigarette lighter. The mobile charger DIY can be used almost anywhere we need.


It can be directly connected to charge our mobile phone or power bank. Of course, if we are traveling outside and there is no device to charge the mobile phone, we can use today's DIY to charge the mobile phone with ordinary batteries. Since the input voltage range of the charger is 9-15V, you can use several 18650 batteries or ordinary 9V batteries as power sources. Of course, you can also integrate this thing into the cigarette lighter in the car to charge your mobile device. Go comtar technology for more consumer electronic products.

Supplies

P1 = 1K

R1 = 1R-0.5W

R2 = 1R-0.5W

R3 = 1R-0.5W

R4 = 1K

R5 = 560R

R6 = 10R-0.5W

R7 = 470R

C1 = 470uF-25V

C2 = 100nF-63V

C3 = 470pF

C4 = 100uF-25V

D1 = 1N5404

D2 = 1N4001

D3 = 1N5819

D4 = 5.1V-1W Zener Diode

D5 = 5mm. Red LED

L1 = 220uH

S1 = USB ‘A’ Type Socket

SW1 = On/Off Switch

IC1 = MC34063A

Product Specifications

Output voltage----------- 5V


Output current----------- 660mA


Input voltage range--------- 9V~15V DC


Input current requirement is 350mA ~ 500mA


Output ripple------------ 14mV (from no load to 660mA output)


Load regulation----------- 25mV (from no load to 660mA output)

Charger Circuit

Charger circuit.png

Installation Steps

You can install the whole circuit inside the box.png

You can install the whole circuit inside the box

PCB Layout

PCB Layout.png

Circuit Diagram

Circuit Diagram.png