Dec 20, 2013 #1 A abdullah65 Newbie level 2 Joined Dec 20, 2013 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 19 i need a circuit that will charge a 4v battery from 220v main through wireless power transmission.. also want to know its working principle..plz help.
i need a circuit that will charge a 4v battery from 220v main through wireless power transmission.. also want to know its working principle..plz help.
Dec 20, 2013 #2 D Damian Cie Newbie level 4 Joined Dec 19, 2013 Messages 7 Helped 1 Reputation 2 Reaction score 1 Trophy points 3 Location Poland Poznan Activity points 35 abdullah65 said: i need a circuit that will charge a 4v battery from 220v main through wireless power transmission.. also want to know its working principle..plz help. Click to expand... Please watch this website: **broken link removed** And read about "WREL" Maybe it help you understand, how send supply power by wireless
abdullah65 said: i need a circuit that will charge a 4v battery from 220v main through wireless power transmission.. also want to know its working principle..plz help. Click to expand... Please watch this website: **broken link removed** And read about "WREL" Maybe it help you understand, how send supply power by wireless
Dec 21, 2013 #3 I Ice-Tea Full Member level 2 Joined Jan 1, 2005 Messages 145 Helped 27 Reputation 58 Reaction score 26 Trophy points 1,308 Location Belgium Activity points 874 TI is a good place to start...
Dec 22, 2013 #4 WimRFP Advanced Member level 5 Joined Apr 16, 2010 Messages 1,589 Helped 594 Reputation 1,176 Reaction score 538 Trophy points 1,393 Location Netherlands Activity points 15,026 How much distance? Maximum size of transmitter/receiver coil? How much power? efficiency requirements? reverse signalling (from battery to wireless charger)? etc.
How much distance? Maximum size of transmitter/receiver coil? How much power? efficiency requirements? reverse signalling (from battery to wireless charger)? etc.