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Tool/software:
BQ25703a uses step-down charging mode to charge the battery, with an input of 20V and a battery voltage of 8.4V. When using step-down charging mode to charge the battery, suddenly unplug the adapter at the input end and quickly use the adapter with an input voltage of 5V to continue charging the 8.4V battery. During this process, there may be damage to the MOS transistor when it is turned on in boost mode due to the large amount of energy in the inductor? What is the working mechanism if the MOS transistor is not damaged?
