The Problem :

When working on electronics projects, one common issue that can easily damage your circuits is reverse voltage. This occurs when you connect the power supply in the wrong direction, often due to a mistake or accidental mix-up. Reverse voltage can damage sensitive components like ICs, microcontrollers, and transistors, leading to project failure. But don’t worry! There’s a simple fix: TVS (Transient Voltage Suppression) diodes.

The Solution :

TVS diodes are designed to protect your circuits from voltage spikes, including reverse voltage. They act like a safety valve, clamping the voltage to safe levels when it exceeds a certain threshold. By placing a TVS diode in the power line, it ensures that even if the power is reversed, the diode will prevent damage by redirecting the excess voltage safely.

Example :

Imagine you’re building a small LED circuit. You accidentally plug the battery in backward. Without protection, the LED and other components could burn out. However, by adding a TVS diode in the power line, the diode immediately kicks in and prevents the reverse voltage from damaging the circuit. It’s an easy and effective way to safeguard your components!

Sample Calculation :

Let’s say you’re using a 5V circuit, and you choose a TVS diode with a clamping voltage of 6V.

If the reverse voltage spikes to 8V, the TVS diode will limit it to 6V, saving your components from damage.

Components Suggestion :

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