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Recent content by arul27

  1. A

    5v USB smartphone Powerbank

    I have designed the voltage bosster and the input is 3 to 3.7v and i got the output as 6 and above but when i connect to the load that is my mobile its lagging and not getting charged kindly help me to fix here i have enclosed my circuit below
  2. A

    Universal powerbank charger (how to connect all usb pins)

    Actually I am designing universal charger I want all mobiles to get charge how to fix it?
  3. A

    Universal powerbank charger (how to connect all usb pins)

    Still my mobile is not getting charged kindly help me to connect D+ and D- pins
  4. A

    5v USB smartphone Powerbank

    How to connect D+ and D- pins to make mobile charge
  5. A

    Universal powerbank charger (how to connect all usb pins)

    Hi i am designing a universal powerbank I get 5.18V output with 1A current but even though my mobile is not getting charged because in USB there are other two pins D+ and D- how to connect them to make all mobile to get charged in average time.please help me very much stucked
  6. A

    5v USB smartphone Powerbank

    kindly give me some reference to voltage stepup buck converter
  7. A

    5v USB smartphone Powerbank

    I am designing a smartphone powerbank using ic 7805 everything is ok,But my device is showing charging but its not getting charged and later i had heared about D+ and D- pin also should connected logically to get smartphone charge but each mobile companies have diffrent logic how to fix it...

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