USB Charging
USB Power Delivery PPS
Programmable Power Supply, or PPS, lets compatible USB Power Delivery devices request adjustable charging output.
USB PD PPS characteristics
Compare its parent technology, output behavior, device control, and compatibility requirements.
| Full name | Programmable Power Supply |
|---|---|
| Parent technology | USB Power Delivery |
| Output behavior | Adjustable output within power ranges advertised by a compatible source |
| Device control | The connected device can request changes within the supported PPS range |
| Main benefit | Finer charging control that can improve efficiency for supported charging implementations |
| Universal in USB PD? | No; both the charger and device must specifically support PPS |
Sources: USB-IF USB Power Delivery Specification, USB-IF Certified USB Fast Charging, and USB-IF charging documents.