How to cool B-D431B-ESC1

[robomow]

I saw in a post here that someone blew up their B-G431B-ESC1 with just 5As using the motor profiler. The spec says the mosfets will output up to 120A. I am looking to run motors up to 30A. I'd like to see if there is a prescribed way of adding heat sink & fan to controller board.

 

[ahsrabrifat]

Even 5 A may be too much for a passive board in some situations without additional cooling or a current limit set properly.

[robomow]

Duh, Obviously.

Thats why I am asking if there ar existing heat sinks and mounting proceedures. My other motor controllers like flipsky FESc nd ODrive have substaintial heat sinks on them.

Witho¨t mountingholes and very small footprint. Seems like a big issue to cool this bord for higher current motors.'

[GMA]

Hello @robomow,

It is mentioned in data brief document: "Output peak motor current (maximum peak current tested with propeller to have an air-forced cooling:( 40 A"