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Originally Posted by BrianG
Serious diodes indeed! How about simply add a slightly bigger (but much smaller than you'd use on the motor leads) low v-drop diode across the source-drain on each FET? Or, just use bigger (while low Rdson) FETs? :)
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There is no reason to add FET's if you cannot control them. (If you can built Power FET's replacement board and re-use existing brains. Then no further questions.) While 6 diodes is not a big broblem, it is like old schottky diode, only in BL configuration you need 6 not one.
Artur