Thanks for sharing the info.
I assume the mosfet fuse was F2. Was it the same size as F3
The F3 is designated T20, according to what I found on the internet, it is rated from 3 to 3.43A, but it would be better if the manufacturer answered. I did not remove the board and did not look at the tracks, but probably fuse F2 is protect for MOSFET Q1 and Q2, and fuse F3 for Q3, but I could be wrong.!
Full datasheet: https://www.tlcet.com.cn/upload/technical/20180614TQZkPl4XmS.pdf