Ken, excellent posting! Look into PortPilot, an inline USB power analyzer that identifies charger types, reveals the output voltage and latest, and can also spoof different charger kinds on the output. No match for your TDS5104B, but less expensive and suits with your pocket...
I browse your total short article but still am puzzled.....will these chargers damage or damage my IPhone5s.
Fantastic report. Seriously desire this was integrated . It truly is marketed to be a high quality usb charger and appears to be rather nicely created.
The counterfeit chargers are made by nameless Chinese suppliers, Inspite of whatever they claim to the labels.
* Regarding the just one report in the comments of the large-pitched whine, I can only guess which was a faulty unit--I possess 3 of such, and none of these make any sounds.
Great analysis and info! The explanation that holograms usually are not employed is they only include some cents to the price of counterfeiting an item. Holograms are old information; You should buy stacks and stacks of "authentication holograms" in shenzhen.
Rod was Among the most progressive and energetic engineers I have regarded. He was the type of person that would response all your issues without reservation, and he was one of the most sincere and forthright people today that I have ever identified.
Regardless of whether a far more "contemporary" method like making use of an integrated switching regulator afforded an a lot quicker design and style timeline, you continue have a peek at this site to Use a new electrical power source that should be approbated (UL, CSA, VDE). That charges money and requires time. Never take care of what's not broken is sweet suggest to abide by.
When you are interested in performing a teardown, but want some extras I am satisfied to write-up you a number of free samples/replacements from the collection (of 50 or so) that I'm increase.
A device currently being billed can detect what sort of charger is getting used through precise voltages about the USB knowledge pins.[six]
Are you able to try this comparison for authentic first laptop computer AC adapters and a cheap aftermarket one? I am curious as into the variations amongst a $80 original from Sony plus a $15 third-social gathering 1.
As someone else explained, following current market laptop chargers vs originals can be a fascinating comparison far too.
Within the ipod/ipad charger, I do not think the metallic publish is for grounding. The original Edition of your charger experienced the write-up fabricated from plastic and it held snapping off. Apple eventually adjusted to some steel article.
Let me know When you've got any "Harmless" recommendations. I am now leaning towards the Plugable and could be joyful to order a device up to you for analysis, reveiw and teardown when you have an interest.