What chip is used in the Victron RS485 to USB interface and can it be used for other applications?
The Victron RS485 to USB interface uses the FT232R from FTDI Chip, this IC is very commonly used in the industry as it represents an all-in-one solution on a single chip.
While the product has a specific purpose in PV installations, it can also be used for any other application that requires RS485 to USB communication, just note that the interface is not galvanically isolated.