SOLAR BATTERY CHARGER CIRCUIT WITH OVER CHARGE PROTECTION

  
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The ultimate source of energy is Sun. it is possible to generate current from sunlight using solar panels. These panels convert light energy into electrical energy. A solar panel consisting of a number of solar cells, which will produce a small amount of current but a bunch of solar cells may contribute enough energy to power a house hold item.
SOLAR BATTERY CHARGER CIRCUIT WITH OVER CHARGE PROTECTION - schematic

Here we are discussing about SOLAR BATTERY CHARGING CIRCUIT WITH OVERCHARGE PROTECTION. The voltage from solar panel will charge the battery to its maximum level. So there is a possibility of damaging the battery (Load) due to overcharging. In order to avoid this we have to introduce a Voltage Regulator using LM723 IC. The voltage regulator triggers whenever the voltage goes above a predetermined value and it enables the NPN transistor (MJ1000) thus the voltage from the solar panel is being grounded and no charge flows to the load.



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