Re: Reversed Biased MOSFETS & BJT's?

"ehsjr" <ehsjr@[EMAIL PROTECTED]
> wrote in message 
news:N%qTk.1442$mi4.1337@[EMAIL PROTECTED]
> RogerN wrote:
>> I'm working on a battery charger / discharger design.  There is always 
>> the possibility that someone will connect a battery reverse polarity. 
I 
>> don't want this to destroy the charger.  I remember the stuff about 
>> correctly biasing transistors but how will a BJT or MOSTES act if you 
>> have Collector Emitter or Drain Source reverse biased?  I'm trying to 
>> avoid diodes in the discharge circuit unless the are required as I want

>> to be able to dicharge to 1V while measuring current and voltage.
>>
>> I tried this on simulation and it seems to work (not conduct) but I
don't 
>> know if the simulation is realistic with reverse bias.  I can also get
a 
>> 1A diode to work at 500A in simulation.
>>
>> Thanks!
>>
>> RogerN
>>
>>
>
> Sense the battery voltage with a comparator - if correct
> polarity, energize a relay that connects the remainder of
> the circuit to the battery.
>
> Ed

It took you over a month to read my reply and pinch my idea!