How to Make Auto Battery Charger Using LM358

Introduction

Are you tired of dealing with dead car batteries? An auto battery charger can save you both time and money. Buying battery chargers from the market can be tricky sometimes, especially when the prices are too high. But why buy one when you can make one of your own? In this article, we will guide you on how to make an auto battery charger using the LM358 IC. Knowing how to make a battery charger of your own can save you a lot of money and ease up your workload.

Explanation of How to Make Auto Battery Charger

What is an LM358 IC?

The LM358 is a type of IC that acts as an operational amplifier. The LM358 is created by two separate amplifiers working together. The chip is also highly compatible and can easily work with external components.

Features of LM358 IC

Short Circuit Protected Outputs
True Differential Input Stage
Single Supply Operation: 3.0 V to 32 V
Low Input Bias Currents
Internally Compensated
Common Mode Range Extends to Negative Supply
Single and Split Supply Operation

Circuit Diagram

of How to Make Auto Battery Charger

This project can be designed using a few basic components. The circuit diagram of this project is shown below.

How to Make Auto Battery Charger Circuit Diagram — **Auto Battery Charger Circuit Diagram**

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Components List

of How to Make Auto Battery Charger

Following is the list of all components used in this project:

1X LM358 IC
1X BC547 TRANSISTOR
1X 3V ZENER DIODE
2X 1N4148 DIODES
2X LED
1X 10K TRIMPOT
2X 470 OHM RESISTORS
1X 1K RESISTOR
4X 10K RESISTORS
1X 47K RESISTOR
1X 6V RELAY
2X 2 PIN TERMINAL BLOCK
1X PERF BOARD
JUMPER WIRES

How to Make Auto Battery Charger

Now gather all the components listed above and assemble them on a breadboard or vero board according to the circuit diagram provided above. Connect the battery terminals on the right place and be sure to check the polarity twice. After connecting all components, check the circuit. Make sure that everything is connected correctly and there is no short circuit. Once you have checked the circuit, then start charging the battery. The LM358 IC will control the charging rate, and the voltage regulator will ensure that the voltage remains stable.

Conclusion

In conclusion, making an auto battery charger using the LM358 IC is straightforward and cost-effective. With a little effort and a few components, you can make a highly effective battery charger. We hope that this guide has helped you in making an auto battery charger using the LM358 IC. Always remember to be cautious and careful when working with electricity, and never touch the circuit when it’s active.