Joe wrote:
>Why on earth would they use 42 Volts instead of the 48 Volt systems
>already in use in many other platforms? 42 volt systems will require
>a new set of development as opposed to the COTS (commercial off the shelf)
>solutions already available. Being 3.3 volts, the microprocessor controls
>will require DC-DC converters in any case ...
A possible reason is that worst case voltage in a 48V system is higher than
50V which, I think, has implications with safety directives, at least in
Europe. With the 42V option, you have to get to the equivalent of 16.7V in a
12V system to reach that safety point.
Steve
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