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No. 1260 Re: Re: [140117-0008FE] Re: CSW-M85 disfunction 2014-01-20

Dear Sir,

In my opinion, the power source was a reason of the problem.

Lack of current seems cause the voltage drop.

Could you check the voltage without any loads?

Thanks, in advance.

> Rambouillet wrote:
> ------------------------------------
> I don't use your eveluation board.
> My prototype is power supplied by a USB connector with a LD33V regulator.
> The voltage seems to be a little too low (between 3.15-3.2 v).
>
> > Sollae Systems wrote:
> > ------------------------------------
> > Hi.
> >
> > Assuming the module H/W is fine, the problem seems to be related with Power Supplying.
> >
> > Did you use our evaluation board or your own board?
> >
> > Thanks, in advance.
> >
> > > Rambouillet wrote:
> > > ------------------------------------
> > > After some weeks of good work (TCP or UDP mode), the CSW-M85 hangs up.
> > > The on board led is blinking : 2 s on, off, 2 s on ...
> > > CONFIG#, SYS_RST#, POWER OFF/ON has no effect.
> > > Some weeks later : surprise ! CSW-M85 works well.
> > > Few days after : same problem.
> > > And so on.

Writer Sollae Systems Company