MCP19124-E/MJ

Voltage - Supply (Vcc/Vdd):	4.75 V ~ 5.5 V
Supplier Device Package:	24-QFN (4x4)
Package / Case:	24-VFQFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Dead Time Control, Frequency Control, Ramp, Soft Start
Serial Interfaces:	I²C, PMBus, SMBus
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	--
Frequency - Switching:	31.25kHz ~ 2MHz
Series:	Automotive, AEC-Q100
Output Phases:	2
Number of Outputs:	1
Topology:	Boost, Cuk, Flyback, SEPIC
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Output Type:	PWM Signal
Part Status:	Active
Packaging:	Tube

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Introduction The MCP19124-E/MJ is a DC-DC switching controller from PMIC (Power Management Integrated circuits) family. It is a multi-phase synchronous buck Converter that utilizes proprietary and high-speed control integrated systems to provide output voltage regulation, current monitoring and over-temperature protection. The MCP19124-E/MJ is built on a small size, 10-lead package and is designed with high efficiency, wide input voltage range and low power consumption in mind. The MCP19124-E/MJ is suitable for automotive, mobile and industrial applications.Applications The MCP19124-E/MJ is widely used as regulating circuitry in DC-DC converters and voltage regulators, motors and other applications where maximum power efficiency is required. It is mainly used in automotive and industrial applications such as automotive sensor, actuator, ECU, power converters, audio, industrial control and more. Most common applications include motor drives, robotics and battery powered equipment, such as portable devices, aircraft and ground transportation.Working PrincipleThe MCP19124-E/MJ utilizes a proprietary and high-speed control integrated system and leverages advanced, power efficient components to provide output voltage regulation, current monitoring, over-temperature protection, as well as other features. It operates with a PWM/PFM (Pulse Width/ Pulse Frequency Modulation) control method. First, it monitors the output voltage of the buck converters and rectifies the impulses generated by the PWM converter. Then, it measures the relationship between rectified impulses and output voltage. Finally, it modifies the duty cycle of the PWM converter in order to maintain the set output voltage.AdvantagesThe MCP19124-E/MJ is a highly functional, efficient and reliable DC-DC switching controller. It offers a wide input voltage range, high efficiency and low power consumption. Additionally, it offers various safety and protection features such as output voltage and current sensing & monitoring, over-temperature protection, and soft-start & auto-restart. This makes it highly suitable for automotive, mobile and industrial applications. ConclusionThe MCP19124-E/MJ is an advanced PMIC (Power Management Integrated Circuits) device that utilizes a proprietary and high-speed control integrated system to provide output voltage regulation, current monitoring, over-temperature protection and other features. It is mainly used in automotive and industrial applications such as motor drives, robotics and battery powered equipment. It offers a wide input voltage range, high efficiency, low power consumption and various safety and protection features, making it highly suitable for various applications.

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