50W Inverter 12VDC to 220VAC

This is the inverter circuit which capable to convert 12V DC to 220V AC dan handle about 50 Watts small electronic appliances. With this circuit, you can use a 12V accumulator / lead acid battery to operate some of your electronic appliances which not exceed 50W of total power consumption.

50W Inverter 12VDC to 220VAC  circuit diagram

Components List:

R1=10Mohms
R2=100ohms
R3=1.2Kohms
R4=560Kohms
R5-6=2.2Kohms
R7-8=56 ohms 5W
CX=22pF trimmed capacitor
C1-2=22pF ceramic
C3=8.2nF 100V MKT
C4=10uF 16V
C5=47uF 16V
C6=470nF 400V
D1=5V6 0.4W
D2-3=47V 1W
Q1-2=BS170
Q3-4=BD139
Q5-6=BD249
IC1=4060
IC2=4013
IC3=4047
CR1=3.2768 MHZ crystal
T1=220Vac/2X10V 2X2.2A
F1=5A Fuse
F2=0.25A Fuse
L1=1H smoothing choke


The above inverter circuit converts 12VDC to 220VAC with power of about 50W. To circuit consists of the oscillator around the IC1, a divider IC2, an unstable polydoniti IC3, which gives the output of a symmetrical rectangular signal frequency 50HZ, followed by a buffer stage with Fet Q1-2, the driver stage and Q3-4 the power stage Q4-5, power transistors Q5-6, should be placed on a heatsink .. diodes Zener D2-3 protect the power transistors from voltage spikes produced by the transformer T1.

The transformer T1 are a simple power transformer with a medium shot, which is connected to the contacts of CO1. To use the wish, o T1, is placed upside down, with the secondary winding be used as primary, with the receiving means being connected to the positive battery voltage is 12V and the two other contacts are connected to the emitters of Q5-6, the connected to earth potential alternately, depending on the rate set by the outputs 10 and 11 of IC3. In this manner while flowing in the primary alternating current generated in the secondary alternating rectangular voltage 220V.

Using crystal oscillator ensures very good reference frequency 50HZ, and use a common crystal (CR1). For greater accuracy in parallel with C1, a variable capacitor CCH ensuring the adjustment of the frequency, in order to obtain the point P1 frequency 204.8 KIZ. It is evident that the output voltage at no-load is higher than the voltage under load. Also, the output voltage depends on the battery voltage. Thus for 14V battery voltage, the output voltage is increased by 10%, compared with the battery output voltage to 12V. If the converter works in load power 40 until 60W, then it can be used 2CH9V transformer. Various output values ??for battery voltage 12V transformer and 2CH10V.

50W Inverter 12VDC to 220VAC PCB Design:

50W Inverter 12VDC to 220VAC  PCB design

50W Inverter 12VDC to 220VAC Component Placement:

50W Inverter 12VDC to 220VAC component placement

circuit source

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26 thoughts on “50W Inverter 12VDC to 220VAC

  1. rudra mukherjee

    please send me power inverter circuit, schematic diagram of 12v dc to 230v ac 100 watt..
    thank you sir..

  2. ronald gardose

    please send me power inverter circuit diagram with charger by 3000watts.
    thanks for you r co-operation.

  3. eza

    can you send other circuit layout for (12Vdc-220Vac) POWER INVERTER (uses a car battery)to me….

  4. jasjeet Singh

    plz i want a circuit diagram of 500 w inverter with a charge controller..and transformer rating

  5. ATTOBRA MARTINIEN

    combien de batterie faut pour alimenter un convertisseur DC to AC pendant au moins 15 heures de temps

  6. mehran

    plz send me 12volt motorcycle battery to 220 volt inverter circuite diagram and their component list

  7. oluchukwu

    Pls I find it dificult to locate the circuit diagram of 12v or 24vdc 500w,1000w,2000w nd 3000w inverter in your website. Pls send it to my mail box.

  8. ken

    pls send me a circuit diagram with components for 24vdc-220/240 vac 1000 watts.

    thanks

  9. faisal

    my request is plz i need a ups ciruit for a pc (computer) if you have such circuit which give backup to pc almost 2 to 3 hours plz mail to me at my id

  10. alala

    please send me power supply convert 220v ac to 12v dc circuit

  11. oluchukwu

    please send me power inverter circuit diagram with charger by 3000watts.
    thanks for you r co-operation.

  12. Macx

    Ple i need a simple layout of 3000w inverter with full write up showing componet needed

  13. snitch

    can u send me other circuit layout for (12Vdc-220Vac) POWER INVERTER (uses a car battery). . . plss. . .

  14. Dele

    Pls I find it dificult to locate the circuit diagram of 12v or 24vdc 500w,1000w,2000w nd 3000w inverter in your website. Pls send it to my mail box

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