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Originally Posted by DJBecker
By "clamp" I mean using spring heat sink clips e.g. MAXCLIP08G. We clean the back of the MOSFET, polish the bus bar, spread a little anti-oxidant grease, and screw down using a hole drilled and tapped into the bus bar.
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Ok, you are using the same technique that Paul uses on his MOSFET/Busbar assembly.
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Each MOSFET has the tiny gate drive connection board slid onto its leads, then the source pin is soldered to a tinned copper strip that makes the connection to the adjacent bus bar.
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Do you have to worry about vibration cracking the solder joint from the soldered source pin - copper strip - busbar connection? I might not be visualizing that correctly?
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I think I've posted the board outline of the gate driver and STM32 controller boards before, but I'll do it again this evening if there is interest.
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You did post info on your gate driver, but I don't remember seeing your STM32 controller PCB. I would be interested in seeing your controller PCB, and your assembled unit too.
Thanks,
-Mark
