#redmi9acharging #mobileshorttamil #freemobilerepaircourse This free mobile repairing course video refers Redmi mobile charging section which describes about charging process. If charging voltage input 5v should come btb connector , then goes to over voltage protection ic , then output ovp goes to charging ic as input , charging ic produces output , battery charging . vph signal goes to power ic , power ic delivers outputs as buck controllers. For Training Purpose Call SK Computer Technologies Mb: 9444180072 / 9841925321 Website: Email: skcom2001@ map location:
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