Kar sem iskal mi ni doslej uspelo najti še nobene naprave, ki bi bila namenjena za priklop na računalnik in bi zahtevala PowerDelivery napajanje iz računalnika (česa takega nisem nikoli niti zasledil, da bi obstajalo) ali USB huba. Najbližje kar sem našel za uporabo z računalniki in USB hubi je BC 1.2 Standard, ki podpira 5V 1,5A napajanje s prenosom podatkov. Tako da resnično dvomim, da ima napravo, ki zahteva PowerDelivery.Razlika je v tem, ali bo USB-C naprava, ki jo priklapljaš zadovoljna s tem, da ima na voljo vse pine za USB 3.0 hitrosti (kar jih ima), ali bo šla preverjat, če je to dejansko standarden USB-C in v primeru napake znižala hitrost na USB 2.0. In če naprava podpira PD (kar je v naslovu te teme), potem bo preko tega adapterja zagotovo omejena na 2.0 hitrosti (če se bo sploh zagnala... verjetno s kakšnim eksternim napajanjem... preko USB A na C adapterja se taka naprava ne bo napajala).
Overview of BC 1.2
BC 1.2, or Battery Charging Specification 1.2, is a standard defined by the USB Implementers Forum (USB-IF) to enhance the charging capabilities of portable devices. It allows devices to draw more current, leading to faster charging times.Key Features of BC 1.2
Charging Current
- Standard Downstream Port (SDP):
- Maximum current: 500mA (USB 2.0) or 900mA (USB 3.2)
- Charging Downstream Port (CDP):
- Maximum current: 1.5A
- Supports USB data transmission
- Dedicated Charging Port (DCP):
- Maximum current: 1.5A
- No USB data transmission
Benefits
- Faster Charging: Devices can absorb up to 1.5A, significantly reducing charging time compared to older standards.
- Compatibility: BC 1.2 is designed to work with various devices, ensuring interoperability across different manufacturers.
How BC 1.2 Works
- Detection: The device detects the type of USB port it is connected to (SDP, CDP, or DCP).
- Power Management: Based on the detected port, the device adjusts its charging current accordingly.
- Efficiency: The specification allows for efficient power delivery, optimizing the charging process.