VN21-E

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Power management integrated circuits (PMICs) are ubiquitous in any hardware product design. As advances in process technology have enabled ever greater levels of integration, the role of the PMIC has become more prevalent. In power management, one of the key components is the power distribution switch. Power distribution switches determine which components within an electronic system will receive power, thus controlling the overall power consumption of the device. The VN21-E is a power distribution switch designed to reduce power consumption and increase efficiency in modern automotive systems. In this article, we will discuss the application field of the VN21-E and its working principle.

The VN21-E is designed to be used as a power distribution switch in automotive systems including automotive body electronics, instrumentation, communication systems, and infotainment systems. Its power input and output voltages are adjustable, enabling its use in applications requiring high voltage regulation levels. It can provide up to 32 channels of power routing, allowing for a wide range of power distribution opportunities. Additionally, the VN21-E has an overvoltage protection function, which prevents damaging circuit components by automatically shutting off power if the voltage reaches unsafe levels.

At the heart of the VN21-E is its innovative load driver technology which enables power to be managed ranging from low to high current applications. Its adjustable mono-stable pulse width modulation (MSPWM) controller enables the switch to control the on/off states of power without significant power dissipation. Additionally, the VN21-E is equipped with a comprehensive set of protection features, including over temperature protection, undervoltage lockout, and reverse current protection.

When used in automotive body electronics and instrumentation applications, the VN21-E is able to provide up to 28 channels of isolated power routing. This ensures that each circuit is isolated from the power source, eliminating the possibility of any short circuits or current leakage. Additionally, its low on resistance allows for low-dropout operation, ensuring that any voltage supplied by the VN21-E is accurately routed to its desired destination.

In communication and infotainment systems, the VN21-E is capable of providing up to 32 channels of power routing. This allows the switch to be used in a wide range of applications, from supplying power to individual transceivers and communication modems, to powering entire clusters of media devices. In addition, its low-power consumption ensures that any power affected by the VN21-E is efficiently routed without significant power loss.

The VN21-E is a power distribution switch designed to reduce power consumption, increase efficiency, and provide protection in modern automotive systems. Its innovative load driver technology and low on-resistance allows it to provide accurate power routing from low to high current applications. Additionally, its over-voltage protection, undervoltage lockout, and reverse current protection functions protect the circuit against damage from power overages. By enabling accurate and efficient power routing, the VN21-E provides a useful and versatile solution for automotive applications.

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