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Originally Posted by MPaulHolmes
It does voltage monitoring
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That's the voltage of the pack, right?
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one of those resolver circuits right on board
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Integration - woohoo!
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The main thing about it is, it's all one sided surface mount, so that it can be put together faster.
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Or by people that are less co-ordinated
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I also ordered some boards that basically step the high voltage down to 0-3v or 4v, or whatever you want it to be. Then the main board isolates the 0-3v using a linear optocoupler, and makes a 0-3v output. That board also acts like a bleeder resistor for the bus cap(s), and also contains a 450vDC 10amp precharge relay (the same one Tesla uses!!).
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More integration! How do you tell when the pre-charge is done? To keep it flexible .. can you use .. maybe 80% .. of the pack voltage programmed in the config?