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Universal Power Adapter Struggling For Support

Ian Lamont writes "Last year, there was a lot of hopeful discussion surrounding an initiative to have the consumer electronics industry standardize their products on a USB-based universal power adapter devised by Green Plug. Eight months later, the effort has stalled. The reason: manufacturers have balked from using Green Plug's technology. '... Gadget makers seem to have no compelling financial incentive to adopt Green Plug's technology. It would require them to add Green Plug's chip, or similar hardware and software, into every phone, camera, or music player they build, making them more expensive and more complicated to build. Another stumbling block for manufacturers: A universal power supply would kill the market for replacement power supplies. Manufacturers sell these at a steep markup price to customers who lose or break the original one that came with the device, and aren't tech-savvy enough to procure a low-cost generic replacement.' Green Plug is now trying to drum up public outcry through a (slow) website, but the number of supportive comments and votes remains relatively low."

23 of 277 comments (clear)

  1. USB connectors by seanadams.com · · Score: 4, Informative

    ...will become a standard power connector with or without these clowns. It's just about perfect for powering and/or charging just about any handheld device, and with Apple leading the way I expect that USB connectors will start showing up in airplanes, cars, and other such places very soon.

    Whatever genius MBA thought that manufacturers would gleefuly license some special connector/protocol just to be able to charge their own products should be taken out back and shot. The language on their web site is absurdly disingenuous in stating the the device-side stuff is free. What benefit is that to the device manufacturer? Do they expect major device manufacturers to promote their proprietary chargers out of the goodness of their heart? What a crock.

    1. Re:USB connectors by crow · · Score: 5, Informative

      Yes, I was in an airport recently, and there were power outlets with both AC and USB. The future is here.

    2. Re:USB connectors by slazzy · · Score: 5, Insightful

      The only problem with USB as a standard for power is that the power output is too low for laptop computers to charge and operate at the same time. I feel that USB and mini USB is ideal for thousands of small devices, but we either need to up the power capacity of USB or have one standard for low power devices, and another for mid-range power users like camcorders and laptop computers.

      --
      Website Just Down For Me? Find out
    3. Re:USB connectors by fuzzyfuzzyfungus · · Score: 4, Informative

      With Apple leading the way?

      Exactly two of Apple's products have ever had a standard USB charging connector: the 512 meg 1st gen shuffle and the 1 gig 1st gen shuffle. All their other devices have some sort of proprietary thing. Their power bricks, at least, have USB "A" connectors, where applicable, which is better than some; but the notion that they are leading the charge to standardization is absurd.

      Virtually all recent motorola phones have standard USB mini B connectors, as do loads of assorted mp3 players and whatnot, it isn't really a new thing.

    4. Re:USB connectors by John+Meacham · · Score: 5, Informative

      They have actually, the EIAJ connectors which you are starting to see more often have standardized sizes, such that "If it fits, it will work.". You can recognize EIAJ plugs and sockets because they have a yellow plastic rim.

      Between EIAJ for higher voltage/current, and USB for low voltage/current, I think we have the universal DC supply covered.

      http://en.wikipedia.org/wiki/EIAJ_connector

      Though, I would love it if my laptop could be recharged via power over ethernet. Not quite enough power can be provided for todays laptops, but a netbook should be able to run off of it.

      --
      http://notanumber.net/
    5. Re:USB connectors by Ethanol-fueled · · Score: 4, Interesting

      USB connectors should be standard. Problem is what manufacturers do with said connector.

      Example: my Motorola cell phone uses the standard mini-USB form factor for both charging and data transfer, but other brands of chargers(except those specifically designated for Motorola) with the same form factor will not work. My phone also cannot "talk to" my computer or even charge from my computer's USB without an extra kit(which is just a usb cable and a driver CD) I would have to buy. Until then, I'm going to hook my cable up to a sampling O-scope and reverse engineer that bitch ;)

      The USB connections themselves are only a form factor. As the summary stated, any manufacturer can do whatever the hell they want with it after that. The MBA's who came up with that idea should be shot, but they've still made their company lots of dough.

    6. Re:USB connectors by mr_matticus · · Score: 5, Informative

      Huh? All of Apple's portable devices charge over USB or, if it's an older iPod, a Firewire port. This has always been the case. You're looking at the wrong end of the equation. If there's a USB port on the wall, you can plug it in. The other end, on the device, is not the goal of the project, which is to standardize DC power sources to be universal. Plug the device into the USB port and get a charge. You still have to bring your own cords. The idea is to eliminate the pile of wall warts, so that all devices can plug into them. Apple's wall chargers are a near-perfect example of what the Universal Power Adapter hopes to achieve--plugs into the wall, accepts USB cables for charging, delivers 5V DC. On planes and in public spaces where this would make a difference, you'd always have to supply your own cables, so the device end is mostly irrelevant.

      Using Motorola as a counterexample is a poor choice, since most Motorola phones won't charge over a standard USB cable unless it's recognized on the other end.

      Moreover, no one is saying it's a new thing to charge over USB--it's been done since 1997. Lots of companies have provided the option, and I would tend to agree that claiming that Apple is "leading the way" is something of an overstatement, but not if you accept the underlying premise that those "assorted" mp3 players and scattered other portable devices lack the conspicuousness, weight, and influence of Apple. You seem to be rather wide of the mark, though.

  2. Slow Website by Snowblindeye · · Score: 4, Funny

    Green Plug is now trying to drum up public outcry through a (slow) website

    I'm sure posting a link on slashdot will make that website a lot faster. ;)

    1. Re:Slow Website by dangitman · · Score: 4, Funny

      Here's an idea; Powered by Slashdot® - harness the power of slashdot traffic to generate enough energy to power a small country. If we can ever solve the pickle matrix, we might even be able to generate several megawatts solely from "In Soviet Russia..." jokes.

      --
      ... and then they built the supercollider.
  3. USB is hopeless by LordMyren · · Score: 5, Informative

    USB is 5v. USB2.0 maxes out at "5" units of 100mA, with USB3.0 providing a staggering "6" units of 150mA. Thats .5A and .9A. That gives you 2.5 watts and 4.5 watts. There are proposed additions to let USB source up to 1.8A if the port is not sending data, and up to 1.5A in low speed mode.

    Looking at the numbers, the whole notion that USB could ever become the dominant standard for power seems laughable to me. USB may be a convenient means of providing a trickle charge, but with batteries getting considerably higher C rates we need 10x beefier power supplies than what USB will ever be capable of.

    Power Over Ethernet+ (PoE+) is targetting 24w: thats no quickcharge, but unlike USB its least enough to run a small computer.

    1. Re:USB is hopeless by seanadams.com · · Score: 5, Informative

      You're talking about what a USB host is required to provide to a device... but your information is wrong. Or at least, incomplete. 100mA is the _minimum_ that a host must be prepared to supply before a negotiation can take place where it can then ask for up to 1 amp.

      But again, that's just about what a PC is required to deliver per the specification. There is nothing to prevent, say, a cell phone maker from including their own charger that can deliver a couple amps more. As long as it's not going to put out more than 5V it's not going to hurt anything, and the device would still be able to charge just fine, albeit at a slower rate, from a standard port.

      POE is a different story. At 48VDC it is designed to power things like security cameras and IP phones at distances of a couple hundred feet. It wouldn't be suitable for charging a cell phone because it would require more expensive (and less efficient) power supplies, and the RJ45 connector is not designed for rugged, repeated cycling consumer use.

    2. Re:USB is hopeless by peragrin · · Score: 4, Insightful

      you do realize very few USB ports provide enough power for hard drives right? It isn't just apple but, dell, and HP too.

      external flash drives will work. As they don't have motors which require power.

      --
      i thought once I was found, but it was only a dream.
    3. Re:USB is hopeless by LordMyren · · Score: 4, Interesting

      The spec does not support 1 amp. If you want to talk about manufacturers going off on their own to extend the spec in a proprietary fashion, I think you lose the usefulness of the standard USB interconnect. A good example is the Macbook Air cdrom, which works with nothing except the usb on the Macbook Air.

    4. Re:USB is hopeless by NoMaster · · Score: 5, Interesting

      No, what that says is that initial device current must be limited to 100mA (USB2) or 500mA (USB3) per port, that the current drain of bus-powered hubs must be limited to ((# of ports)*100mA)+100mA (which is why bus-powered hubs > 4 ports are rare), and that that is the minimum a root hub must be able to supply in order to conform with the specs.

      According to the full spec, not just the FAQ version, devices are free to negotiate for up to 1A (USB2; dunno about USB3 but I'd guess it's higher), and it's up to the root hub to say "yay" or "nay".

      --
      What part of "a well regulated militia" do you not understand?
  4. Re:How did USB (in general) win its war? by MBCook · · Score: 5, Insightful

    USB was around for years, but it didn't explode until Apple forced the issue with the iMac.

    I'd say there are two reasons USB took off. The first is Intel. It started putting it on all it's chipsets which made it in most Wintel computers by default. I believe they also didn't charge licensing fees on their controller implementation so others could copy/improve it for free and not have to start from scratch. They just recently did the same thing with their USB3 controller.

    The other thing is what it was competing again. There really wasn't that much other there. If you wanted low bandwidth, you'd either hijack the PS2 port or one of the serial ports. If you wanted high bandwidth you either had your own expansion card (tough), piggybacked on the printer port (often didn't work as pass though), or used SCSI (expensive). You couldn't have multiple parallel devices, so you'd need extra cards if you wanted to do that. If you had many serial devices (like a modem, a tablet, etc) you might need an extra serial card. It was a mess. USB just simplified everything, and the hub concept was a nice addition.

    Intel forced availability before it became popular, and Intel made it a relatively cheap option. It was a huge improvement over the mishmash of old connectors for the consumer. Then Apple came along and made it mandatory forcing a huge number of devices on the market (where many weren't before since USB wasn't popular).

    --
    Comment forecast: Bits of genius surrounded by a sea of mediocrity.
  5. Rip-off prices by fox171171 · · Score: 4, Insightful

    My wife lost her phone charger and bought a replacement for $70!!! Can't be more than a few dollars worth of parts and plastic. Pretty obvious that they wouldn't want to jeopardize that income.

  6. Damn! by dangitman · · Score: 4, Funny

    I was really looking forward to charging my electric SUV via USB. Now my hopes are dashed!

    --
    ... and then they built the supercollider.
  7. Poor, poor Greenplug by fuzzyfuzzyfungus · · Score: 5, Insightful

    Either my Google-fu is weak, or GreenPlug's "standard" is of the "Well, if everybody in the entire world licences our technology, it will be standard" flavor. Unimpressive. If you are all fuzzy and care about bunnies and the earth, then come up with an open spec(which, incidentally, we largely have for low power devices, in the form of USB, and could probably come up with pretty easily for higher power stuff by producing a 12 or 24 volt USB analog). If you just want to have every electronic widget ever depend on your proprietary chips, then fuck you.

  8. It's the connector: it's not the protocol by erbmjw · · Score: 5, Informative

    Sorry it's not USB -- it requires the proprietary Green Plug chip to work.

    They are trying to sell their chip by having us push the manufacturers into making mass purchases of the chip ( or chip schematics) because we "demand it".

    And they are trying to sell this "initiative" as a standard without releasing the chip schematics to a standards organization.

  9. Re:How did USB (in general) win its war? by MBCook · · Score: 4, Interesting

    Here is what I remember:

    USB stuff was hard to find and expensive. There were some specialty stores on the internet that sold all USB stuff but at local computer stores USB stuff was here or there. Most people seemed to still use PS2 mice, modems were mostly serial, printers were mostly parallel, and so were most scanners.

    Then Apple released the iMac.

    Within a few months it became trivial to find USB peripherals. They started to have different price points (low, medium, and high end market segments for things like modems). USB mice were everywhere, USB video cameras showed up, things improved.

    It was increasing in use, but it was no where near critical mass until Apple forced the issue. It was like SATA. Motherboards came with both (IDE and SATA) but IDE stuff was available for quite a long time after (especially in optical drives). I'm of the opinion that Apple took what was going to be a normal transition (things slowly speed up, pick up momentum, and eventually take over) and put it in hyper drive (made adoption look more exponential that it would have for probably a year or two, if not more).

    --
    Comment forecast: Bits of genius surrounded by a sea of mediocrity.
  10. Pot and kettle by RomulusNR · · Score: 5, Insightful

    I fail to see why replacing a myriad of proprietary solutions with a single proprietary solution is supposed to be a good thing.

    I would just be happy if all manufacturers would put voltage and polarity indications on their products.

    --
    Terrorists can attack freedom, but only Congress can destroy it.
  11. Hokey by pz · · Score: 4, Insightful

    From the web site: "Green Plug is the first developer of digital technology enabling real-time collaboration between electronic devices and their power sources..."

    First class marketspeak, that is. Collaboration, you say, between electronic devices and power sources. In real time. Using digital technology. Do I need to worry about my devices and power sources becoming mutinous, then?

    Or can I just stick with USB which seems to power almost every electronic device I carry around? I daresay I don't actually know WHERE the chargers that came with most of my devices are, since I just charge them all though USB. Green Plug has already lost its battle. The only hope they might have is to embrace and extend the USB standard.

    --

    Put my fist through my alarm clock with its ding-dong death inside my ear. - The Blackjacks.
  12. How can we lack behind China? by hackingbear · · Score: 5, Interesting

    China has enforced the law to require all new cell phone to use standardized USB power adaptors since last year, to cut down adaptors in landfill. Why is democratic, earth-caring nation dragging its feeds?