Saturday, August 5, 2017

Circuit Diagram Automatic 12v Battery Charger using LM317

Robotronicdiagram. - This is circuit diagram of Automatic 12v Battery Charger using LM317 like in Figure 1 below. The main component in this circuit diagram is CXA1019 and other components. 

In here we will show you also the component parts used and the simple description of this circuit diagram of Automatic 12v Battery Charger using LM317 and the last we will give you link to read more about this circuit from original source. 

Circuit Diagram 

Figure 1. Circuit Diagram Automatic 12v Battery Charger using LM317 (Source: Electronichub) 

Component Part
  1. LM317
  2. Transformer
  3. Capacitors
  4. Resistors
  5. Zener Diode
  6. Diodes
  7. Transistors
  8. Switch
  9. Variable resistor
  10. LED's
Description

Circuit diagram like in figure 1 above is Circuit Diagram Automatic 12v Battery Charger using LM317. According Electronichub site describe that The main supply voltage 230V, 50Hz is connected to the primary winding of the center tapped transformer to step down the voltage to 15-0-15V.

The output of the transformer is connected to the Diodes D1, D2. Here diodes D1, D2 are used to convert low AC voltage to pulsating DC voltage. This process is also called as rectification. The pulsating DC voltage is applied to the 470uF capacitor to remove the AC ripples.

Thus the output of the capacitor unregulated Dc voltage. This unregulated DC voltage is now applied to the LM317 variable voltage regulator to provide regulated DC voltage.

The output voltage of this voltage regulator is variable from 1.2V to 37V and the maximum output current from this IC is 1.5A. The output voltage of this voltage regulator is varied by varying the pot 10k which is connected to the adjust pin of LM317.

Please read more this article from original source about circuit diagram of Automatic 12v Battery Charger using LM317 using link Here.


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