阅读说明：本技术 电源管理系统和电子设备 (Power management system and electronic device ) 是由 范团宝 孙宁波 时小山 王易 于 2020-03-23 设计创作，主要内容包括：本申请实施例提供了一种电源管理系统和电子设备,电源管理系统包直流-直流DC-DC转换电路、第一控制电路、补电电路、输入端口和输出端口；其中,输入端口用于接收输入电压；输出端口用于向负载提供输出电压；DC-DC转换电路,用于通过输入端口向输出端口充电以调节输出电压；第一控制电路,用于通过输出端口获取输出电压的第二反馈电压,基于第二反馈电压以及第二参考信号,生成第一控制信号,并向补电电路提供第一控制信号；补电电路,基于第一控制信号从输入端口向输出端口充电以补充调节输出电压。本申请所示的电源管理系统,可以在负载耗电激增时,快速响应负载以为其供电,有利于提高电子设备稳定性和电子设备的续航能力。(The embodiment of the application provides a power management system and electronic equipment, wherein the power management system comprises a direct current-direct current (DC-DC) conversion circuit, a first control circuit, a circuit supplementing circuit, an input port and an output port; the input port is used for receiving an input voltage; the output port is used for providing output voltage for a load; a DC-DC conversion circuit for charging the output port through the input port to regulate the output voltage; the first control circuit is used for acquiring a second feedback voltage of the output voltage through the output port, generating a first control signal based on the second feedback voltage and a second reference signal, and providing the first control signal for the power compensation circuit; and the power supplementing circuit is used for charging from the input port to the output port based on the first control signal so as to supplement and regulate the output voltage. The power management system disclosed by the application can rapidly respond to the load to supply power to the load when the power consumption of the load is increased rapidly, and is favorable for improving the stability of the electronic equipment and the cruising ability of the electronic equipment.)