Broken Charger-connection Alert

Posted on Jul 14, 2012

The above circuit can be useful to detect if the load of any battery charger or plug-in adaptor supply is not properly connected. The load can be a set of batteries to be charged or any other type of battery or low dc voltage operated device.

Broken Charger-connection Alert
Click here to download the full size of the above Circuit.

The circuit can safely operate over a 3 to 15V range and 1A max. current, provided the supply voltage is about one volt higher than the voltage required by the load. Circuit operation: The circuit is inserted between the supply and the load, therefore

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