[PCB_FORUM] Re: 8-way connections

  • From: Barbara Seeger <blm@xxxxxxxxxxx>
  • To: icu-pcb-forum@xxxxxxxxxxxxx
  • Date: Mon, 15 Nov 2004 14:42:54 -0500 (EST)

> Hi folks,
> I have a surface mount DC-DC Converter with round pads which I would
> like to connect to a top surface plane with an 8-way connection. I can
> get it to work if I choose the "8 way connect" under the shape
> parameters for smd pins, but I really don't want all my smd pins to
> follow this rule, just this pin. I've tried to attach the
> Dyn_Thermal_Con_Type = 8_way and/or the Dyn_thermal_Best_Fit = True
> properties to the pin, but I still only get 4 connections. Any idea what
> else I might try?
> Thanks for the help!
> Jean

 The pin is seeing the shape parameter limit of 4 max connects.
 You have the right idea in using pin properties. Use the ones
 you mention here, but you also need to add in these 2:
 Dyn_Max_Thermal_Conns  8
 Dyn_Min_Thermal_Conns  4
 Hope that helps,
 Barbara Seeger - Cadence Design Systems - 978-262-6578

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