What is the difference between fast charging and slow charging of Apple mobile phones?

The difference between fast charging and slow charging of Apple mobile phones: 1. The circuit characteristics are different. During fast charging, if the two output terminals are short-circuited, the trigger circuit of the silicon-controlled SCR in the charger will not work, so the silicon-controlled SCR will not work. No conduction, the output current is zero, and when charging slowly, if the positive and negative poles of the battery are mistakenly connected reversely, the thyristor trigger circuit is reversely cut off, there is no trigger signal, the thyristor does not conduct, and the output current is zero; 2 , The subjects are different. Fast charging can bring the battery to or close to a fully charged state in 1 to 5 hours, while slow charging refers to the process of replenishing power for batteries and other equipment; 3. The principles are different.

#The operating environment of this tutorial: iOS 16 system, iPhone 14 mobile phone.

What is the difference between fast charging and slow charging of Apple mobile phones?

The difference between fast charging and slow charging of Apple mobile phones lies in different circuit characteristics, different bodies, and different principles.

1. Different circuit characteristics:

During fast charging, if the two output terminals are short-circuited, the trigger circuit of the silicon-controlled SCR in the charger cannot work, so the silicon-controlled SCR will not conduct. The output current is zero; when charging slowly, if the positive and negative poles of the battery are mistakenly connected reversely, the thyristor trigger circuit will be cut off in the reverse direction, there will be no trigger signal, the thyristor will not conduct, and the output current will be zero.

2. The subjects are different:

Fast charging can bring the battery to or close to a fully charged state in 1 to 5 hours; slow charging refers to the process of replenishing power for batteries and other equipment.

3. The principle is different:

During fast charging, the output terminal is connected to the set charged bottle according to the correct polarity. If the peak value of each half-wave of the rectified output pulsating voltage exceeds the battery output voltage, the thyristor SCR is triggered and turned on by the collector current of Q, and the current charges the battery through the thyristor; the principle of slow charging is to allow DC to pass in the opposite direction of discharge to restore the active material in the battery.

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