Power switch over current protection system
Abstract:
A power switch over current protection system including a power switch transistor configured to deliver a power current from a power source to power load, a power switch driver configured to control and on/off state of the power switch, an over current protection (OCP) circuit to detect a threshold value of the power current, a discharge transistor configured to discharge a parasitic capacitance of the power switch transistor, and a system state machine to receive a signal from the OCP circuit configured to control an action of the power switch driver and discharge transistor depending on the level of the power current.
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