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Simple Mini Inverter using IC 4047
This project demonstrates how to build a simple mini inverter using the IC 4047, which functions as a multivibrator to generate stable square wave pulses. The circuit converts 12V DC from a battery into 230V AC using a step-up transformer and power transistors or MOSFETs.
Working Principle:
- The IC 4047 operates in astable mode, generating 50Hz or 60Hz signals.
- These pulses drive transistors or MOSFETs, switching the transformer’s input.
- The transformer steps up the voltage to 230V AC, making it suitable for powering small AC loads.
Applications & Benefits:
- Ideal for emergency power backup for LED bulbs, mobile chargers, and small fans.
- Simple, low-cost, and efficient design, perfect for beginners in electronics.
- Can be modified for higher power output using stronger transistors and transformers.
Availability:
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₹1,908.06 ₹2,183.00 (Inc. GST)
1 in stock
Simple Mini Inverter using IC 4047
A mini inverter is a useful electronic circuit that converts DC (Direct Current) into AC (Alternating Current), making it ideal for small-scale power backup applications. The IC 4047 is a versatile monostable/astable multivibrator IC, commonly used in inverter circuits due to its ability to generate stable square wave pulses. This project focuses on building a simple mini inverter using the IC 4047, a few transistors, and a transformer to power small AC appliances.
Components Required:
- IC 4047 – Used to generate square wave pulses.
- Transistors (TIP122, TIP127, or MOSFETs) – For switching the transformer.
- 12V Battery – Power source for the inverter.
- Step-up Transformer (12V-230V, 1A-5A) – Converts low-voltage DC into high-voltage AC.
- Resistors and Capacitors – For circuit stability.
- Diodes and LED – For indication and protection.
Working Principle:
- IC 4047 operates in astable mode, generating a stable 50Hz (or 60Hz) square wave output.
- The output from the IC drives power transistors or MOSFETs, which act as switches to alternate the DC supply through the transformer.
- The transformer steps up the 12V DC signal into 230V AC, which can be used to run small AC appliances like LED bulbs, chargers, or small fans.
Applications:
- Emergency power backup for small devices.
- Low-power household applications.
- Educational projects for learning about inverters.
Advantages:
- Simple and cost-effective circuit.
- Low power consumption.
- Easy to assemble and modify for higher wattage.
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