MP8714GLE-P

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Modern-day portable electronics and mobile devices depend on power. The availability of power and its stability are two important conditions that must be satisfied in order to guarantee a portable device’s performance and features. Many portable electronics also require the support of multiple supplies that power applications and peripherals within their system. This demand for multiple supply systems has led manufacturers to develop Power Management Integrated Circuits such as the MP8714GLE-P. This article will explain the application field and working principle of MP8714GLE-P Power Management Integrated Circuits.

The MP8714GLE-P is a specific type of device called a DC-DC "buck" switching regulator. DC-DC switching regulators provide the conversion of one DC level to another using one or more switching elements, such as transistors or FETs, to control the transfer of energy across an inductor or transformer. The MP8714GLE-P is part of the Power Management Integrated Circuit (PMIC) family of devices. It includes a limited number of extra features that increase system efficiency and reduce power consumption. This makes it suitable for use in portable electronics and mobile devices.

The MP8714GLE-P is a single-phase synchronous buck regulator. It features an internally compensated peak current-mode control with a 2.0 MHz switching frequency. It has a high efficiency and takes in an input voltage range of 2.5 V to 5.5 V. Its output has an adjustable range from 0.5 V to 3.8 V and provides up to 725mA of current with an 80% duty cycle. The MP8714GLE-P integrates a slew rate control to reduce switching noise and a power-good signal to indicate output power status.

The MP8714GLE-P can be used for a variety of applications that involve translating a battery voltage, or other DC source, from one level to another. This is especially useful for applications where the incorporation of an inductor is not desired. Applications that can make use of the MP8714GLE-P include cellular phones, PDAs, digital still cameras and camcorders, portable gaming systems, personal digital assistants (PDAs) and ultra-low power oscillators.

The MP8714GLE-P features a system called pulse frequency modulation (PFM) mode which allows for an excellent transient response. It reduces power consumption compared to a fixed frequency architecture, consuming only a few micro-amps of power at no load in an Off-Mode. The MP8714GLE-P also utilizes a Quiescent Current Reduction (QCR) Mode which improves power savings in light to moderate load conditions.

The MP8714GLE-P has an adaptive on-time control architecture which helps to eliminate any disruptions due to noise transients and reduces the size of the output filter components. This system can also detect short-circuits, thermal overloads (OTP), and the presence of a load, allowing for current flow protection in the event of a system malfunction.

The MP8714GLE-P also allows for output voltage sequencing. This helpful feature allows the device to power multiple devices in a desired order in order to meet various voltage demands from different system components. Output voltage sequencing also helps to protect the system from excessively high inrush currents.

Overall, the MP8714GLE-P is an ideal DC-DC switching regulator for use in portable electronic and mobile device applications. Its integration of various features ensure that it is a highly efficient and reliable Power Management Integrated Circuit (PMIC) device.

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