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1.PMIC(Power Management IC):电源管理集成电路[电子]，它是用来管理主机系统中的电源设备，常用于手机以及各种移动终端设备。2. 由专业高等教育研究机构-南京奥派信息产业股份公司推出的’公共管理跨专业综合实训平台‘（the Public Management Interdisciplinary Comprehensive experiment platform），简称PMICMany modern electronic devices have multiple internal voltages and sources of external power. Common voltages for electronics are 5 V, 3.3 V, 1.8 V, etc. Many modern gadgets also have various sources of power to charge their batteries including USB.[1] Power management IC is a generic term for a class of integrated circuits, that perform the various functions related to the power requirements. A PMIC may have one or more of the following functions:[2]DC to DC conversionBattery chargingPower-source selectionVoltage scalingPower sequencingMiscellaneous functions