How to Create a Simple Voltage Limiter Device?

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Discussion Overview

The discussion revolves around creating a simple voltage limiter device, with participants exploring different approaches and components suitable for this purpose. The scope includes both theoretical and practical aspects of voltage regulation and limiting.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant seeks ideas and diagrams for a voltage limiting device, initially mentioning a voltage clamp.
  • Another participant suggests using a diode as a simple voltage clamp, specifically detailing how to connect it to limit voltage to 5.6V, while also noting the importance of considering current and power ratings for the diode.
  • A later post clarifies that the original poster meant a voltage regulator instead of a clamp and asks for a simple design.
  • Another participant proposes using a linear regulator like the LM7805, suggesting it is a more elegant solution compared to a zener diode clamp.

Areas of Agreement / Disagreement

Participants have not reached a consensus on the best approach to create a voltage limiter device, with multiple suggestions and components being discussed.

Contextual Notes

Some assumptions about the context of the voltage limiting device remain unclear, such as the specific application or constraints on components.

karim102
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Hi,:rolleyes:
how you doin?? I work to make voltage Limiting. but I need some idea to make sample device. I f anyone can help plaese do it. I need diagram about his\her idea.


thanks a lot
I appreciate it :wink:
 
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We would need more details to be of help. If you mean a voltage clamp, then the simplest is just a diode. Say you want to clamp some voltage supply to 5.6V, then you just connect the cathode of the diode to your voltage source, and the anode to a stiff 5V supply. Of course, you have to think about currents, powers, etc. when you pick the diode for this.

What is the context of your question?
 
Sorry, I mean Volage regulator. How we can make simple design.
 
Are you limited so you can't use a LM78xx or LM79xx linear regulator? Something like a LM7805 is about as simple as it gets and more elegant than a zener diode as a clamp.
 

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