Charger Plugged to Laptop
Frequency reads about 98kHz
We can tell that the charger uses 100kHz switching controller to regulate the voltage.
Charger plugged off.
Switching frequency increased to about 102kHz to match lower voltage required.
We can tell that the charger uses 100kHz switching controller to regulate the voltage.
Switching frequency increased to about 102kHz to match lower voltage required.