@Zavyru Minimum PD 3.0 with PPS would be ideal, with fallback to PD 2.0, but have to somehow notify the user and not connect the HV line if PPS (or chosen voltage) isn't available; Green/Red LED maybe and only connect HV if it's green?
C
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RE: [Product] Core Stack Module: USB-C PD (as HV source and 5v system power step down)