RE: PD power start up
My vote for #2.
From: Barry Male [mailto:male@xxxxxxxxxxxxxxxxxxxxxx]
Sent: Tuesday, March 27, 2001 2:36 AM
To: Dieter Knollman
Cc: Yair Darshan; stds-802-3-pwrviamdi@xxxxxxxx
Subject: Re: PD power start up
I vote for #2
Senior Principle IC Designer Internet: barry_male@xxxxxx
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On Sat, 24 Mar 2001, Dieter Knollman wrote:
> I believe we have two choices.
> Choice 1: Define a special start up case for the PD.
> In this state the PD is allowed to violate steady state requirements.
> The PD may drop the line voltage to zero.
> The PD may draw any current level.
> The PSE will supply current at a level about 1.5 times the steady
> The time for the start up state is limited to X ms.
> Choice 2: The PD meets steady state requirements.
> In order to receive power
> the PD input voltage is >30 volts and
> the PD current is >10ma and <350ma.
> Some violations are allowed for Y ms.
> Can we have a straw poll?