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| iPhone charger not supported |
You might wonder why you can't charge your iPhone using the ordinary USB charger you bought. According to some sources across the web, iPhone charging scheme uses all the 4 pins of the usb port including the data lines. This simple iPhone charger can be constructed by adding only some resistor combinations across the USB data lines.
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| USB port pins |
This is an ordinary iPhone charger that can be use if you are not in a hurry. Can charge your iPhone around 3 hrs if you are using high capacity battery (1420 mAh).
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| 500mA iPhone charger circuit |
5V regulated DC supply like on your computer PSU
2-150k 1/4W
2-100k 1/4W
Note: make sure that your supply is regulated and can deliver atleast 500mA current.
iPhone Fast Charger circuit (1A)
This is a fast charger allows your iPhone to be charged around 1A current or making your iPhone fully charged around one and half hour for 1420 mAh rated (high capacity) battery.
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| Fast charger schematic |
Materials:
5V regulated supply like on your computer PSU
1-150k 1/4W
2-100k 1/4W
1-120k 1/4W
Note: make sure that your supply is regulated and can deliver atleast 1A current.
Note: circuit above is considered working, but use it at your own risk.
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