POWER MANAGEMENT CHIP, ELECTRONIC DEVICE HAVING THE SAME, AND OPERATING METHOD

A power management chip includes: a gate driver configured to output a first gate signal driving a first power switch and a second gate signal driving a second power switch; a multiplexer configured to receive the error detection signal from the first error amplifier and the first gate signal from the gate driver, and drive the first power switch with the error detection signal or the first gate signal in response to the mode selection signal; an inductor detection logic configured to receive the inductor detection signal, output a comparison detection signal and a pulse signal for detecting an external inductor, and output a mode selection signal corresponding to a detection result; and a comparator that compares an internal output voltage of the output node and an output voltage of the feedback node in response to the comparison detection signal. 一种电源管理芯片包括：栅极驱动器，其被配置为输出驱动第一电源开关的第一栅极信号和驱动第二电源开关的第二栅极信号；复用器，其被配置为接收来自第一误差放大器的误差检测信号和来自栅极驱动器的第一栅极信号，并且响应于模式选择信号利用误差检测信号或第一栅极信号驱动第一电源开关；电感器检测逻辑，其被配置为接收电感器检测信号，输出比较检测