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PMIC - Power Distribution Switches, Load Drivers

The NCP45520IMNTWG-H is a new member of ON Semiconductor’s family of automotive qualified products, enabling advance power management and distribution capabilities. This part can be used as a power distribution switch or load driver in automobiles, allowing embedded designers to easily integrate it into their system designs. This part boasts a low on-resistance load switch and fast load switch transition times, which helps minimize power dissipation, increase system efficiency, and reduce design complexity. It is AEC-Q100 qualified and designed to meet the demands of automotive applications.

Overview of Features

The NCP45520IMNTWG-H features include:

• High speed load switch transition times of just 5 µs.
• Low on-resistance switches of RON ≤ 30 mΩ.
• Overvoltage protection with a foldback clamp to 45 V.
• Multiple power rails and individual power distribution.
• AEC-Q100 qualified.

Application Fields

The NCP45520IMNTWG-H is suitable for a range of automotive applications, including:

• Body electronics.
• Power supply for infotainment systems.
• DC/DC converters.
• Power management for charging ports.
• Power routing for high voltage systems.
• Load switching and power distribution.

Working Principle

The NCP45520IMNTWG-H is a power management switch, load driver, and power routing device, providing a simple and efficient solution for power distribution, switching, and protection in a wide range of automotive applications. It is a fully integrated power supply, comprising up to 10 N-channel MOSFETs, as well as multiple current and voltage protection, for high accuracy and low power dissipation.

The on-resistance of the NCP45520IMNTWG-H is just 30 mΩ, and the part is capable of switching loads up to 8 A. It has an overvoltage protection system with a foldback clamp, which helps to ensure that power supply circuits are not damaged by excessive voltages. And with its fast switching time, the NCP45520IMNTWG-H enables maximum power efficiency and minimal power dissipation.

The NCP45520IMNTWG-H also features multiple current and voltage protection, with additional features such as overcurrent protection, an overvoltage lockout (OVLO) system, and comprehensive thermal monitoring. The OVLO system helps to ensure that the NCP45520IMNTWG-H remains free from damage and efficiently manages power, providing a safe and reliable power solution for automotive applications.

Conclusion

The NCP45520IMNTWG-H is a high-performance, low-power solution for automotive power management and distribution. It offers up to 10 N-channel MOSFETs with low on-resistance and fast load switch transition times. It also features comprehensive current and voltage protection, overvoltage protection, and comprehensive thermal monitoring. The NCP45520IMNTWG-H is AEC-Q100 qualified, making it suitable for a wide range of automotive applications.

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