Re: On the horns of a dilemma

"Dave VanHorn" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Ok, NIMH charger question:
>
> What should happen, when the constant current source runs out of
compliance?
> IOW: As the battery charges, it's voltage rises.  If the input voltage to
> the constant current source isn't high enough, the constant current source
> can't stay in regulation..
>
> So:
>
> Do I abort the charge,  or continue charging at a lower rate, where I can
> stay in regulation?
>
> In the first case, I'm not charging at all, which is a bad thing.
> In the second case, that means that the charge current will continue to
> taper, and this will make end of charge detection difficult.
>
>
>
> --
> A: Because it messes up the order in which people normally read text.
> Q: Why is top-posting such a bad thing?
> A: Top-posting.
> Q: What is the most annoying thing on usenet?
>
>
Well for constant current,  I would use a supply voltage around twice the
end battery voltage.

-- 
Regards ............... Rheilly Phoull