HV300LG-G Integrated Circuits (ICs)

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PMIC - Hot Swap Controllers

The HV300LG-G is a Hot Swap Controllers that integrate multiple functions for power management in distributed power systems. Hot swap controllers turn on/off individual dc/dc load lines by using an opto-isolated input signal. They protect the load by limiting in-rush current, presenting the system with a stable and safe power supply. This type of controllers protect the circuit, the load, and the other components in the system.

Application Fields

The HV300LG-G is commonly used in a variety of application fields due to its advanced functions and features. This Hot Swap Controllers can be used in a range of applications such as distributed telecommunications, server, storage and networking systems. In these systems, it can provide over-current protection and disconnect/reconnect power to individual cards without affecting the other cards. It can also be used in battery-operated systems, automotive and other industrial applications.

Working Principle

The HV300LG-G Hot Swap Controllers operate on a simple working principle. This device senses the voltage across a resistor at the beginning of the load line by using its proportional current limiter. It then compares that voltage against its preset over-current threshold and uses the USB2.0 interface to control the switches enabling and disabling the DC/DC conversion. The device also features an adjustable in-rush current limit which prevents circuit damage due to instantaneous input current jump.

These Hot Swap Controllers also feature an adjustable current limiting feature. This feature works together with the adjustable over-current limit to provide the system with a safe, stable power supply. The controllers also provide adjustable under-voltage lockout and soft start functionality, giving users more control over the system. In addition, the device includes a built-in temperature monitor and overtemperature shutoff feature to protect the system.

Conclusion

The HV300LG-G Hot Swap Controllers are a great way to provide power management in distributed power systems. With its advanced features, it is ideal for a wide range of applications including telecommunications, server, and storage systems. The HV300LG-G also features an adjustable current limit, adjustable over-current limit, adjustable under-voltage lockout, and overtemperature shutoff features, making it a versatile, reliable, and safe power solution.

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