Power Delivery 3.0: what it is, how it works and what it does
Power Delivery 3.0 (PD 3.0) is a fast charging specification that enables up to 100 W of power transfer over a USB-C cable.
Definition and Scope
Power Delivery 3.0 is a version of the USB fast charging standard that defines protocols for high-power energy transfer via USB-C connectors. Its primary feature is the ability to support high voltage and current levels, allowing for a maximum power output of 100 W in wired connections.
Operating Principles
The system operates through voltage and current negotiation between the power source and the receiving device. Unlike previous versions, PD 3.0 allows configurations of up to 20 V and 5 A, resulting in the 100 W maximum power. This specification is essential for fast-charging devices that require higher energy consumption, such as laptops and monitors.
Applications and Product Presence
The presence of the PD 3.0 label or the mention of 100 W wired in a product's specifications indicates that the device is compatible with this fast charging standard. This ensures that the equipment can receive energy at the maximum speed allowed by the standard, significantly reducing charging times compared to conventional 5 W or 18 W chargers.
Limitations
The effectiveness of this technology depends on both the charger and the end device supporting the PD 3.0 specification. If one end is not compatible, charging will be limited to the maximum parameters supported by the most restrictive component.