MP5021BGQV-Z

Features:	OVP, Thermal Limit, UVLO
Feature Pins:	--
Supplier Device Package:	22-QFN (3x5)
Package / Case:	22-PowerVFQFN
Mounting Type:	Surface Mount
Operating Temperature:	--
Current - Output (Max):	--
Voltage - Supply:	--
Programmable Features:	Current Limit
Series:	--
Applications:	General Purpose
Internal Switch(s):	Yes
Number of Channels:	1
Type:	Hot Swap Controller, Monitor
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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MP5021BGQV-Z Application Field and Working Principle

PMIC (Power Management Integrated Circuit) is a general name for the integrated device composed of several functional circuits, including power supply, voltage monitoring, current stabilization, temperature protection and so on. The hot swap controller is a special type of PMIC, used in hot plug applications to reduce the risk of damage. The hot swap controller allows a power supply to be turned off while the system is running. The MP5021BGQV-Z is a linear hot swap controller in the PMIC family, and it is used to provide a secure power supply to applications such as peripheral cards, energy-efficient systems and industrial systems.The MP5021BGQV-Z is a linear application hot swap controller equipped with a wide range of features to provide secure power supply for systems. The device is based on a linear regulator and utilizes an external power MOSFET to control the output voltage. The device provides protection from short-circuits, in-rush current, over-voltage and over-current. In addition, the device has integrated power limiting circuit, power good signal generation and optional remote enable signal. The MP5021BGQV-Z offers a standby current consumption of just 4µA, making it the ideal choice for power efficient applications.The MP5021BGQV-Z controls the output current by detecting the voltage on the power MOSFET\'s drain. When the current through the power MOSFET increases, the controller reduces the gate voltage of the power MOSFET in order to limit the output current to the specified levels. The device also supports remote enable signals to program the enable signal of the controller. When the enable signal is LOW, the device limits the current through the power MOSFET and turns off the output voltage. The device monitors the input voltage and the output voltage using an internal voltage reference to generate a power good signal. The power good signal indicates that the input voltage has stabilized and the output voltage is within tolerance.The MP5021BGQV-Z also has an over-current protection circuit, which monitors the gate voltage of the power MOSFET and controls its conduction current through the gate. If the current in the circuit exceeds the specified limit, the controller shuts off the power MOSFET, thereby limiting the output current. The device also has a number of additional features, such as thermal protection, which prevents the device from overheating and helps maintain long-term reliability.The MP5021BGQV-Z is designed to provide secure and reliable power supply for hot plug applications. The device is suitable for use in peripheral cards, energy-efficient systems, and industrial systems, and other applications where hot swap controllers are required. Its wide range of features make the device the ideal choice for applications requiring secure power supply without sacrificing power efficiency.

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