Create schematics for a USB powered charger device that would charge 3 x [url removed, login to view] LiIon Cells over usb and/or external power source using LM3658 or similar
the circuit should have a USB output for the PC connection, USB output for the device connection and a power Output for the device.
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If you clarify what you mean by the outputs, this can be done in a few days. Also, let me know what schematic capture program you prefer. I can do this in OrCad or EAGLE.
I will do this. Please give more details of your project. Thanks.
I am an Layout PCB Engineer located in Mexico with a very good experience in PCB design, shematics, Bill materials, gerber files. My refereces is products of consum and equipament audio,medical,supply powe
Dear Piranko, What is your external power input and battery AH ? Clear it and get it in a day or two
hey im an electronics engineer and i have practically made usb mobile charger and solar powered battery charger. so i can easily design this circuit. also tell me which simimulation software do you use.