Important of power management chips in circuit


Power Management Integrated Circuits (Integrated Power Management Circuits, PMICs or PMUs as a unit) are integrated power management circuits. Although PMIC refers to a wide range of chips (or units in system hardware on a chip), most of them include many DC / DC converters or their control segment. PMIC is often included in battery-powered devices, such as mobile phones and portable media players, to reduce required space

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POWER MANAGEMENT CHIPS

Power management is a function of some devices, especially copiers, computers, CPUs, GPUs and computer peripherals such as monitors and printers, that shut down or shut down the system when it is inactive. Switch to. In computing, this is called computer power management and is built on a standard called ACPI. This replaces APM. All modern (expendable) computers support ACPI.
The term PMIC refers to a class of integrated circuits that perform various functions related to power requirements. PMIC may have one or more of the following features:

·  DC to DC conversion
·  Battery charging
·  Power-source selection
·  Voltage scaling
·  Power sequencing
·  Miscellaneous functions

Power management integrated circuits are solid-state devices that control energy flow and direction. Many electrical appliances have many internal voltages (for example, 5V, 3.3V, 1.8V, etc.) and external power supply (for example, wall outlets, batteries, etc.). In other words, there are several requirements for the design of power supplies for equipment. PMIC can indicate which chip is a separate power-related function but generally refers to an IC that includes multiple functions, such as various power conversions and power controls such as voltage monitoring and low voltage protection. By incorporating these features into one IC, you can make many improvements to your overall design, including increased conversion efficiency, smaller solution size, and improved heat dissipation.

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