tgirlschierke@lemmy.blahaj.zone to 196@lemmy.blahaj.zoneEnglish · 1 month agoChargerulelemmy.blahaj.zoneexternal-linkmessage-square12fedilinkarrow-up1239arrow-down14
arrow-up1235arrow-down1external-linkChargerulelemmy.blahaj.zonetgirlschierke@lemmy.blahaj.zone to 196@lemmy.blahaj.zoneEnglish · 1 month agomessage-square12fedilink
minus-squarecalisti@lemmy.blahaj.zonelinkfedilinkEnglisharrow-up1·edit-230 days agoCorrect! And not just the charger and the device, also the cable needs to have the right e-marker chip (> 5 A), speak the protocol and confirm that it can carry the requested current during negotiation. Just look at this teardown. High-current USB-PD cables are electronic devices of their own right: https://www.chargerlab.com/teardown-of-apple-240w-usb-c-charge-cable-a2794/
Correct! And not just the charger and the device, also the cable needs to have the right e-marker chip (> 5 A), speak the protocol and confirm that it can carry the requested current during negotiation.
Just look at this teardown. High-current USB-PD cables are electronic devices of their own right: https://www.chargerlab.com/teardown-of-apple-240w-usb-c-charge-cable-a2794/