This simple USB isolator is based on the B0505 isolated power supply and the ADuM3160 chip. 0505 is a relatively cheap and easy-to-use isolated power supply. Common powers are 1w and 2w. The pin positions are consistent and easy to replace. It is enough to power a debugger or headphone amp. ADuM3160 is a low-speed/full-speed USB isolation chip with a higher price, but it is the only choice on the market. In this project, ADuM3160 is configured in full-speed mode and can be connected to U disks, USB sound cards, debuggers, etc. It may not be connected to low-speed devices such as keyboards and mice, so please note.
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