Tag Archives: Circuit Protection

Crowbar Power Supply Overvoltage Fault Protector

Posted on December 5, 2010 by Rend

This is a The Crowbar circuit. This circuit is used to prevent the load from damaging. This circuit utilize a zener diode. The regulator steps down the 12V input to 5V. The load will damage when the regulator is fail … Continue reading →

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Analog “Watchdog” Timer

Posted on November 26, 2010 by Rust

The circuit on the following figure is not for power supply management, but serves to prevent lock-up in processor based systems. If the system misses an instruction due to transient hardware or software events, this could be occur. A predictable … Continue reading →

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Overvoltage Protection with LT1018

Posted on November 26, 2010 by Rend

Sometimes, the regulator does not work well so the regulator generate overvoltage that will destroy the system. To prevent system damage, a overvoltage protection circuit should be used. The overvoltage occurred when the regulator connects the raw DC supply to … Continue reading →

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