Date: Sun, 17 May 2020 19:14:33 -0700 (PDT) From: "Rodney W. Grimes" <freebsd-rwg@gndrsh.dnsmgr.net> To: Mark Millard <marklmi@yahoo.com> Cc: Philipp Klaus Krause <pkk@spth.de>, freebsd-arm@freebsd.org Subject: Re: Recommended arm hardware (mostly for compilation)? Message-ID: <202005180214.04I2EXWA098652@gndrsh.dnsmgr.net> In-Reply-To: <A4944A04-11C1-4997-B6A5-80BD2445451B@yahoo.com>
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> > On 2020-May-17, at 12:56, Philipp Klaus Krause <pkk at spth.de> wrote: > > > Am 17.05.20 um 21:45 schrieb Mark Millard: > >> > >> HoneyComb-LX2K-datasheet.pdf reports: > >> > >> Safety Notice > >> > >> ? This device is to be used with Certified Power adaptor with output rated 12VDC, 1.5A. > > > > AFAIK, the processor's TDP alone is already 30W > > (https://www.nxp.com/docs/en/supporting-information/LX2160A-NXP-Biggest-Multicore.pdf), > > so I don't believe 18W for the whole board. > > And LPS limits things to under 8 amps for 12V, as I remember. > (But look it up if you care.) 8 amps is the current limit into a short circuit, aka 0V output, it is an unusable state to power anything. The usable current limit is 5A, or for 12VDC nominal 60W. > I took the two references (1.5A and LPS) as a minimum to maximum > indication to accommodate a range of usage contexts. > > === > Mark Millard > marklmi at yahoo.com > ( dsl-only.net went > away in early 2018-Mar) > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" > > -- Rod Grimes rgrimes@freebsd.org
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