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PGND
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  • Forum Post: TPS62050 - Connect PGND to GND?

    Stefano Infante
    Hello, I have a question about TPS62050 (and others similar). It has two ground pins, PGND and GND; their name (and the data sheet) suggests they are power ground and signal ground. On the EVM schematics they seem to be separate, while on the data sheet the same ground symbol is used for both of them...
    on Feb 22, 2010

  • Forum Post: Re: TPS62050 - Connect PGND to GND?

    Michael Day
    These two pins must be connected together somewhere on the PWB. The details of how this connection affects performance requires a detailed understanding of power supplies and their voltage and current waveforms as well as understanding how currents through a PWB generate unwanted voltages (noise). I...
    on Feb 22, 2010

  • Forum Post: Re: TPS63020

    Daniel Acevedo
    Generally, we recommend you follow the design procedure in the datasheet and your schematic and layout match that of the EVM. See my comments below: Shlomi Yehezkia Q1: Can the PS/SYNC pin (power safe mode) be active for good? [D.A.] PS/SYNC is an input to enable power save mode or for a system...
    on Jun 22, 2011

  • Forum Post: Re: Ground connections for TPS63001

    Nick Tseng
    Gamin, The GND-PGND connections are surprisingly difficult to describe in words, but based on your comment above (..two corresponding traces for it would be tiny ones both lying within the bounds of the chip profile) , I think you have it nailed. I have attached the original PCB layout pdf (below...
    on Apr 5, 2012

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