Re: switching

On Jun 26, 12:20 pm, lili...@[EMAIL PROTECTED]
 wrote:
> Hello everybody,
>
> I have a set of battery, but I only one hooked up to the circuit, The
> other one act as a backup. I want to implement an electronic unit that
> will change (swap) the batteries.Therefore the wiring will need to be
> changed. The circuit need to sup****t 5amp of continuous current. Here
> is what I want to implement.
> from:
> A to C
> B to D
>
> to:
> A to D
> B to C
>
> Is it better to use a analogue or digital switching approach. I am
> just worried that digital might take too much energy by keeping those
> transistor or mosfet open and close.
>
> Li



You mean something like this?  (view in fixed-width font, for example,
with Notepad)


+---+            +----+            +---+
|(+)|--switch A--|    |--switch C--|(+)|
|   |            |Load|            |   |
|   |            |    |            |   |
|(-)|--switch B--|    |--switch D--|   |
+----            +----+            +---+

Batt 1                             Batt 2


Michael