How Does PPS Charging Work?

what is pps charging?

Programmable Power Supply (PPS) Technology is the most advanced charging technology by USB-IF for USB-C devices. Before diving deeper, let's review a few electrical engineering concepts in simple terms:

Current: The flow of electricity from charger to your battery.
Voltage: The Voltage is similar to an amount of pressure behind the flow described above.
Power: The electrical Power is the multiplication of Voltage and Current.

PPS is uniquely adaptive to any device by changing the voltage in 0.02V increments and matches the voltage to your device battery. The technology modifies the voltage and current in real-time depending on your charging status. The key is that the charger tries to feed your phone with maximum power.

But you may ask, how?!

When your battery's charging status is less than 10%, it has more tendency to accept current, as if the battery's appetite to accept current is high! This is the reason why you may feel higher temperature around the charging port and the connector when the battery level is low while charging. As your battery gets full, the current will go down. This is because your battery loses the appetite as it gets full. Hence, when the current will continue to go down, we may expect the charging power to go down as well. But the key point about our PPS chargers is that it starts to increase the voltage incrementally in 0.02V to compensate the lack of current. In fact, PPS increases the voltage to increase the pressure behind the current to keep the charger power up.

Charging speed is highly dependent on your cable resistance, connector chip, environmental temperature and even sometimes you vehicle battery.

PPS chargers are more sensitive to the above parameters. It is because the chip inside the charger reprograms the voltage and current not based on certain default values, but based on the your device battery condition. If you leave your phone in hot temperature environment, due to the fact that the battery temperature increases, it's appetite to accept higher current will decrease. Hence, PPS charger will not feed extra current than the battery's appetite. The decreasing charging efficiency goes back to entropy hypothesis in thermodynamics. If you are interested in this topic, please email us! For example, you may notice that a Samsung S20, S20+ Plus, Ultra, Note 10+ Plus or an iPhone 11, at less than %10 battery level, charges at about 2.5-3A current, and about 1A current at %90 battery level. Therefore, the PPS incremental voltage increases maintains the charging power and results in super fast charging! Please check out our PPS car chargers and Multi USB cable !


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