NCP1091DBRG

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Power Over Ethernet (PoE) Controllers is a newer technology that has emerged in recent years. It was developed as a way to transfer electrical power and data between two electrical devices via existing Ethernet cables. PoE Controllers are used to provide power to networking devices like cameras, access points, and switches that are mounted in high or hard to reach areas. This allows for much faster deployment and expands the number of devices that can be connected to a point-to-point network. The NCP1091DBRG is a particularly popular PoE Controller.

The NCP1091DBRG is a high-performance, multifunctional module geared towards providing a reliable power source for PoE networks. It is specifically designed for applications requiring high voltage isolation, high accuracy measurement, and high availability. It includes comprehensive built-in configurability and a variety of output current and voltage settings, making it extremely versatile. It also features two configurable outputs, a PoE enable pin, external temperature sensor, and low total power dissipation.

The NCP1091DBRG features a configurable output voltage of up to 48V and a maximum output current of 25A. It also features two configurable outputs (C1 and C2) which can be used in a variety of different applications and support Class0, Class1 and Class3 operation modes. The PoE enable pin provides additional features such as detection of class and short circuit protection. In addition, the NCP1091DBRG is equipped with a built-in temperature sensor that can be used to monitor the temperature of the PoE cable or any other part of the system for improved safety.

The working principle of the NCP1091DBRG is based on the basic principle of energy storage and release. Energy is stored in the chip’s capacitors and then released as a current to power the connected device. A separate oscillator circuit can be set up to control the frequency and amplitude of the current released from the capacitor. The maximum charging current of the chip is set through a built-in current sensing technique. This ensures that the power is delivered efficiently to the connected device while preventing any potential risks associated with short circuits.

The NCP1091DBRG is a reliable and versatile device that is perfect for PoE applications that require high voltage isolation, high accuracy measurement, and high availability. It features two configurable outputs which can be used in a variety of different applications and support Class0, Class1 and Class3 operation modes. It also has a PoE enable pin and external temperature sensor for improved safety. With its configurable output voltage and built-in current sensing technique, the NCP1091DBRG is the ideal choice for a wide range of PoE applications.

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