car cig lighter to USB adaptor

Discussion in 'Electrical Engineering' started by Anthony, Nov 6, 2013.

  1. Anthony

    Anthony Guest

    In my car, in the cig lighter port, I have a cheap USB adapter to power
    my Phone and GPS. But it doesn't put out enough Amps it would seem, so
    I'm wondering, what is a good one that would do the job, then also what
    is the absolute highest quality one that you know of?

    It's something that I use so much and didn't really think of until recently.


    Thanks
     
    Anthony, Nov 6, 2013
    #1
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  2. In article <l5cp9o$avj$>,
    Anthony <> writes:
    > In my car, in the cig lighter port, I have a cheap USB adapter to power
    > my Phone and GPS. But it doesn't put out enough Amps it would seem, so
    > I'm wondering, what is a good one that would do the job, then also what
    > is the absolute highest quality one that you know of?
    >
    > It's something that I use so much and didn't really think of until recently.


    Max per USB port is 2.1A for recent USB supplies.
    You can buy USB cig lighter adapters which can do this, and there
    are even some dual port ones which will do 2.1A on both ports together
    (and some which will do 2.1A on one port and 1A on the other).

    I have sometimes stripped them down as a very cheap source of 12V -> 5V
    buck switched mode power supply, usually much cheaper than you can buy
    a separately cased unit to do the same job.

    --
    Andrew Gabriel
    [email address is not usable -- followup in the newsgroup]
     
    Andrew Gabriel, Nov 6, 2013
    #2
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  3. Anthony

    Anthony Guest

    I need a brand name and a source of these ones that will definately do
    2.1A together, because the Amp rating is not usually marketed with these
    things. Usually the person selling them won't have any idea what I'm
    even talking about.


    On 11/6/2013 4:45 AM, Andrew Gabriel wrote:
    > Max per USB port is 2.1A for recent USB supplies.
    > You can buy USB cig lighter adapters which can do this, and there
    > are even some dual port ones which will do 2.1A on both ports together
    > (and some which will do 2.1A on one port and 1A on the other).
    >
    > I have sometimes stripped them down as a very cheap source of 12V -> 5V
    > buck switched mode power supply, usually much cheaper than you can buy
    > a separately cased unit to do the same job.
     
    Anthony, Nov 7, 2013
    #3
  4. Anthony

    Anthony Guest

    I found what I need, thanks.



    On 11/7/2013 9:39 AM, Anthony wrote:
    > I need a brand name and a source of these ones that will definately do
    > 2.1A together, because the Amp rating is not usually marketed with these
    > things. Usually the person selling them won't have any idea what I'm
    > even talking about.
    >
    >
    > On 11/6/2013 4:45 AM, Andrew Gabriel wrote:
    >> Max per USB port is 2.1A for recent USB supplies.
    >> You can buy USB cig lighter adapters which can do this, and there
    >> are even some dual port ones which will do 2.1A on both ports together
    >> (and some which will do 2.1A on one port and 1A on the other).
    >>
    >> I have sometimes stripped them down as a very cheap source of 12V -> 5V
    >> buck switched mode power supply, usually much cheaper than you can buy
    >> a separately cased unit to do the same job.

    >
     
    Anthony, Nov 7, 2013
    #4
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