What is the principle behind a power adapter?
Release time:
2022-01-06
What is the principle behind a power adapter? An AC-to-DC power converter transforms alternating current into direct current, which then powers the computer. However, this type of converter itself cannot protect the computer. That’s because the computer contains an internal storage device—also known as a charger—that can safeguard the computer during power outages. Both switching power supplies and adapters are types of switching power supplies, both consisting of high-frequency switching transistors and their associated control circuits. An adapter power supply is a regulated switching power supply, while a switching-power-supply charger features a float-charging function: its voltage increases as the current decreases, eventually reaching a state where only voltage remains with no current flowing at all.
Power adapter What is the principle behind it?
The power converter—also known as an AC-to-DC converter—transforms alternating current into direct current. However, when connected directly to a computer, it cannot provide protection for the computer itself. That said, the computer contains a built-in power storage device (also called a charger), which can protect the computer during power outages. Switching power supply Both the adapter and the switch-mode power supply consist of high-frequency switching transistors and their associated control circuits. The adapter power supply is a regulated switch-mode power supply, while the switch-mode charger features a float-charge function: the voltage increases as the current decreases, eventually reaching a state where only voltage remains with no current flowing.
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