MP2116DQ-LF-P

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The MP2116DQ-LF-P is a versatile integrated Power Management IC (PMIC) providing step-down regulator and power switch for application in portable electronic devices. It consists of different modes of operation in order to optimize efficiency and provide flexibility in the design of the power system. This IC can be employed for a wide range of applications, from low power IoT edge applications to high current tablets and notebooks. The adjustable output voltage and power switch design enable flexibility for a broad range of applications.

The working principle of the MP2116DQ-LF-P can be divided into two areas: voltage regulation and power switch. The voltage regulation sub-system consists of a linear regulator and a switching regulator. The linear regulator generates a regulated output voltage by connecting the output node to a reference voltage source, such as a bandgap voltage reference or an oscillator. The switching regulator employs a DC-DC buck converter (or boost converter in the case of a negative output voltage) to produce an adjustable output voltage.

The power switch sub-system is composed of two switches, an internal P-channel MOSFET (PMOS) switch and an external N-channel MOSFET (NMOS) switch. The two switches work together to provide a controllable power path from the input to the output of the IC. The PMOS switch is controlled by the IC’s internal logic and its main purpose is to enable or disable the IC. In the disabled state, the IC is still in a low power mode, thus minimizing power dissipation. The NMOS switch works in conjunction with the PMOS switch to enable or disable the IC by connecting or disconnecting the input and output nodes. In this manner, the power switch sub-system provides an active power path to enable higher load currents or to enable/disable the device without affecting its output voltage.

The MP2116DQ-LF-P can be used in a wide range of applications that require an adjustable output voltage and an active power switch to enable/disable the device. Some applications that can benefit from this IC are notebook/tablet designs, cellular baseband platforms, edge devices and wearables. This IC can handle a wide input voltage range and is able to provide a stable regulated output voltage even when the input voltage fluctuates. The integrated power switch sub-system also provides a highly efficient power path with minimal power dissipation.

In summary, the MP2116DQ-LF-P is a versatile integrated PMIC providing step-down regulator and power switch for applications in portable electronic devices. The adjustable output voltage and power switch design enable flexibility for a broad range of applications. From low power IoT edge applications to high current tablets and notebooks, it offers superior performance and reliability. Its integrated power switch and voltage regulation sub-systems contribute to a highly efficient power path with minimal power dissipation. Thus, the MP2116DQ-LF-P is an ideal solution for application in portable electronic devices.

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