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PD, PPS and QC: fast charging explained in plain words
By icconX Product Team · Published · 2 min read
Fast charging works only when your phone and charger speak the same language. These languages are called charging standards, and three names come up most often: PD, PPS and QC.
PDUSB-C phones, iPhones, tablets, laptops
PPSTop speed on many Samsung phones
QCOlder Android phones, USB-A ports
What is PD?
USB Power Delivery (PD) is an open standard for USB-C. The charger offers a few fixed voltages and the phone picks the one it needs. iPhones, most Android phones, iPads and many laptops use PD, so it is the best choice if one charger must serve several devices.
What is PPS?
Programmable Power Supply (PPS) is part of newer PD versions. Instead of a few fixed steps, the charger adjusts the voltage in small steps while charging, which keeps the phone cooler. Many Samsung phones need PPS for their fastest mode (often labelled Super Fast Charging).
What is QC?
Quick Charge (QC) is an older fast-charging standard found on many USB-A chargers and Android phones from the last few years. Newer QC versions also work with PD.
Which one does my phone need?
iPhone
USB-C PD
20W or more, with a USB-C to Lightning or USB-C cable.
Samsung (Super Fast)
PD + PPS
At the wattage your phone lists, often 25W or 45W.
Other Android
PD, or QC
Check the phone's specifications for the standard it names.
Not sure?
PD + PPS
Covers both standards, so it suits most phones today.
Good to knowIf the standards do not match, nothing harmful happens. The phone simply charges at normal speed instead of fast speed.
Does the cable matter?
Yes. For USB-C fast charging, use a cable rated for at least the charger's wattage. Our guide How to choose a Type-C cable explains the ratings.
Questions
Is PPS the same as PD?
PPS is part of newer PD versions. A charger marked "PD + PPS" supports both.
Will a PD charger work with a phone that uses QC?
Yes, it will charge. It may charge at normal speed if the phone only supports QC for fast charging.
Does a "fast charging" label mean the same thing everywhere?
No. Look for the standard (PD, PPS or QC) and the wattage, not just the words "fast charging".
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