Use Suxin Microelectronics FS312 to make PD, PPS, QC and other protocol decoys. This product is mainly used to supply power to the charging head. It can be used with a power bank of 18W or above with one of the protocols to power the optical cat router, so that the Internet can be connected even if there is a power outage. Attached is the FS312 Chinese data manual.
R2, R3, R4, and R5 resistors can be welded in different positions as needed, such as welding 51k, 100k, 140k, and 180 respectively:
The rightmost connection of the jumper cap outputs 9V, the second one outputs 12V, the next one outputs 15V, the leftmost one outputs 20V, and the left one outputs 5V.
For the 2cm*4cm layout, in order to save space, the silk screen has been placed in the center of the pad. Welding needs to be verified clearly in the document.
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