How can I protect my circuit from overvoltage?

How can I protect my circuit from overvoltage?

There are many different ways to protect your circuit from overvoltage. The simplest way is to connect the fuse at the input supply side. But the problem is that it’s a one-time protection, because as the voltage exceeds the preset value, the wire inside the fuse will burn and break the circuit.

Which is the simplest form of over voltage protection?

Voltage clamping: Another very simple form of over-voltage protection uses an approach called voltage clamping. In its simplest form it can be provided by using a Zener diode placed across the output of the regulated power supply.

When to use overvoltage or crowbar protection circuit?

Overvoltage protection is a power supply features which cutoffs the supply whenever input voltage exceeds the preset value. For protection from high voltage surge, we always use overvoltage protection or crowbar protection circuit. Crowbar protection circuit is a type of overvoltage protection which is most commonly…

Why do you need over voltage protection on a power supply?

Over-voltage Protection for Power Supplies Power supply over-voltage protection is really useful – some PSU failures can put damaging large voltages on the equipment. Over-voltage protection prevents this happening on both linear regulators and switch mode power supplies.

Which is the most common overvoltage protection circuit?

Crowbar protection circuit is a type of overvoltage protection which is most commonly used in electronic circuits. There are many different ways to protect your circuit from overvoltage. The simplest way is to connect the fuse at the input supply side.

When to use fuse or MCB in overvoltage circuit?

Generally fuse or MCB is used for overvoltage protection, here in this circuit, we will build an overvoltage protection circuit without using Fuse. Overvoltage protection is a power supply features which cutoffs the supply whenever input voltage exceeds the preset value.