SLLU355 October 2022 TCAN1046A-Q1 , TCAN1046AV-Q1
When using the TCAN1046AV footprint, a power supply must be connected to J17. It is up to the user to decide if the J17 is connect to the same 5-V supply as VCC, or a seperate supply. The VIO pin can accept voltages down to 1.7 V. Connect this power supply via J17. The power supply must be capable of 1.8 V at 50 mA.