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From: John Walliker on 27 Jun 2010 18:29 > I am rapidly coming to the conclusion I will have to pay around $20 for > a mains switching PSU module, eg;http://www.maplin.co.uk/Module.aspx?ModuleNo=227631 Try contacting Powerpax UK John
From: Joel Koltner on 28 Jun 2010 12:38 John Walliker wrote: > The mini-USB connector is obsolete, so if you have a choice it would > be better to use micro-USB in your product. What makes you think mini-USB connectors are obsolete? Are DB-9 connectors obsolete too?
From: Michael A. Terrell on 28 Jun 2010 17:03 Joel Koltner wrote: > > John Walliker wrote: > > The mini-USB connector is obsolete, so if you have a choice it would > > be better to use micro-USB in your product. > > What makes you think mini-USB connectors are obsolete? > > Are DB-9 connectors obsolete too? Yes, they were replaced with DE-9 connectors. :) -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge.
From: krw on 28 Jun 2010 18:19 On Mon, 28 Jun 2010 09:38:08 -0700, "Joel Koltner" <zapwireDASHgroups(a)yahoo.com> wrote: >John Walliker wrote: >> The mini-USB connector is obsolete, so if you have a choice it would >> be better to use micro-USB in your product. > >What makes you think mini-USB connectors are obsolete? News to me too. I'd like a cite for that. We just replaced one because the vendors are constantly obsoleting various P/Ns, but there are always others. >Are DB-9 connectors obsolete too?
From: John Walliker on 29 Jun 2010 07:26 On 28 June, 23:19, "k...(a)att.bizzzzzzzzzzzz" <k...(a)att.bizzzzzzzzzzzz> wrote: > On Mon, 28 Jun 2010 09:38:08 -0700, "Joel Koltner" > > <zapwireDASHgro...(a)yahoo.com> wrote: > >John Walliker wrote: > >> The mini-USB connector is obsolete, so if you have a choice it would > >> be better to use micro-USB in your product. > > >What makes you think mini-USB connectors are obsolete? > > News to me too. I'd like a cite for that. We just replaced one because the > vendors are constantly obsoleting various P/Ns, but there are always others. > Here it is: http://www.usb.org/developers/Deprecation_Announcement_052507.pdf It turns out that they are only partially obsolete! The mini-A and mini-AB connectors have not been allowed in new USB designs since May 2007, but the mini-B connector is still permitted. I had forgotten that detail - or perhaps I didn't read the announcement carefully enough when I first came across it. However, in the specific case of battery chargers, the only connectors that are permitted are standard-A receptacle or a micro-B captive cable. See section 4.1 of the USB Battery Charging Specification v1.1 which is at http://www.usb.org/developers/devclass_docs/batt_charging_1_1.zip John
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