[sdiy] SSM2164 protection

Neil Johnson neil.johnson97 at ntlworld.com
Thu Mar 3 20:41:16 CET 2011


Karl,

Oscar did the experiment.  If no positive, then no problems.  Its  
only in the no-negative case that smoke issues forth.

Neil


On 3 Mar 2011, at 17:15, karl dalen wrote:

> But how big are the chance the negative will actually fail?
> I dont mind some kind of protection, what about power sequencing
> where negative goes on first.
>
> KD
>
> --- Den tors 2011-03-03 skrev Oscar Salas <osaiber at yahoo.es>:
>
>> Från: Oscar Salas <osaiber at yahoo.es>
>> Ämne: Re: [sdiy] SSM2164 protection
>> Till: "Neil Johnson" <neil.johnson97 at ntlworld.com>, "Tom  
>> Wiltshire" <tom at electricdruid.net>
>> Kopia: "SynthDIY diy" <synth-diy at dropmix.xs4all.nl>
>> Datum: torsdag 3 mars 2011 04:00
>> Hi Tom,
>> The problem exists. Fault on negative supply, burns the
>> chip.
>>
>>> I'm not knocking the protection schemes that have
>> been
>>> proposed (indeed, I've been following closely as a
>> SSM2164
>>> user myself), but I would like to suggest that the
>> members
>>> of this list *might* be prone to getting more involved
>> in a
>>> problem than it genuinely deserves. It's a continual
>> hazard
>>> for enthusiasts. We tend to forget that normal people
>> don't
>>> care as much as we do!
>>>
>>> T.
>>>
>>>
>>>
>>> _______________________________________________
>>> Synth-diy mailing list
>>> Synth-diy at dropmix.xs4all.nl
>>> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>>>
>>
>>
>>
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>>
>
>

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