This simple usb charger is powerd by any battery or dc supply with an input ranges from 7.5V up to 25V DC. It is very handy, portble and easy to build since uses only at least 3 electronic components.
Materials:
1-7805 regulator IC
1-USB female socket
wire
battery 7.5V to 25V or DC supply
optional materials:
C1 - 10uF/25V electrolytic capacitor
C2 - 10uF/10V electrolytic capacitor
Charger diagram and pinouts:
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| 7805 regulator pinouts |
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| USB pins and Functions |
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| USB cable and Device pinouts |
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| Charger Schematic diagram |
You can use this charger to charge your cellphones, iPod, mp3 players or any devices that uses USB power as its charging source or supply.
how much current does it give to output?
ReplyDeletethe IC can deliver 1.5A (1500mA) at 5V.
ReplyDelete