Hi,
I plan to use USB-C (follow ai03’s guide), so I already have connected CC lines with their pull-downs.(when used this way, is it full-speed USB?)
I should use pin 1 and 6, right? noted! 
you mentioned I should also connect the 5V line to the SMF05C, which pin should I use?
also I have a 500mA polyfuse on the 5V line, should I connect the 5V line to the SMF05C before or after the polyfuse? 