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Mobile cell phone charger

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circuit for charging mobile battery without using conventional ac supply.

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Page 1: Mobile cell phone charger

MOBILE CELL PHONE CHARGER CIRCUIT SIMULATION

-K. Sai malleswar

THE CIRCUIT BUILT IN PSPICE: (0v dc source is used here to indicate fully

discharged battery

GRAPH 1 : shows that 170 mA current flows through cell phone battery when

fully discharged battery is connected across output terminals.

Page 2: Mobile cell phone charger

GRAPH 2: shows the variation of current through cell phone battery when

charging occurs.

(The current will become zero at required voltage i.e. when battery is fully

charged exactly by adjusting VR1 and VR2 .)