Make 350W Power Inverter 12V 220V From OLD Computer Power Supply
by LongTechnical in Circuits > Electronics
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Make 350W Power Inverter 12V 220V From OLD Computer Power Supply
Hi Guy today we make Make 350W Power Inverter 12V 220V From OLD Computer Power Supply
Step 1: Watch This Video
This video show you how to make 350W inverter from old computer power supply.
Step 2: Make the Schematic
In this schematic i use Sg3525 and 2 mosfet IRF3205 with transformer from old PC power supply.
The max power can reach 350W.
I use Eagle software for make Schematic.
Make PCB by Upload Gerber File to the JLCPCB.COM
Go to JLCPCB.COM for make PCB online
Only 2$ /10pcs for 2 layer PCB and Big Discount on First order Shippinghttps://jlcpcb.com/
Upload your gerber files and fill in Shipping Adress then click PAY.
Received Your PCB After 2 Day
The PCB look great and so beauty
Order the Component
List of part here:
You can buy it from any electrical store.
1 x heat sink
2 x IRF3205
4x 150Kilo ohm resistor
1 x 47 ohm resistor
3 x 10kilo ohm resistor
2 x 100 ohm resistor
3 x 20kilo ohm resistor
4 x FR307 Diode
1 ATX transformer (from old computer power supply)
1 x resistor 330kilo ohm
3 x 104 capacitor.
1 x 102 capacitor.
1 x 100uf/16v capacitor
1 x 1000Uf/16v capacitor
1 x 220uF/400v capacitor
1 x IC KA3525 (Sg3525)
1x Inductor( from PC power supply
Solder PCB
Solder all component to PCB. We have the name on the top PCB. So this very easy
Check Again.
Check all component were correct.
Finish and Test
1: Connect the output with Load.
2: Connect input with battery. I use 12V battery
Be Careful with high voltage, electric shock will kill you do not touch any output component
Thank for watching
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