NCP1083DER2G Integrated Circuits (ICs)

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Power over Ethernet (PoE) is a technology that allows electrical power to be transmitted to an electronic device over standard network cable (such as twisted pair or fiber optic). The NCP1083DER2G is a Power Over Ethernet (PoE) controller from Texas Instruments that is designed for applications that require a high-efficiency, low-cost PoE solution. The NCP1083DER2G can provide up to 60 watts of power to a single device, and its high efficiency allows the device to maintain a low profile in power-sensitive systems.

Overview

The NCP1083DER2G is a single-channel PoE controller that can provide up to 60 watts of power to a single PoE-enabled device. The NCP1083DER2G is designed to operate over a wide temperature range of -40 °C to +85 °C, and is capable of detecting and supplying the necessary power on both the Data and Power lines. The NCP1083DER2G also features an integrated DC-DC converter that provides the necessary voltage conversion to allow the system to run on either standard or higher current cables.

Application Fields

The NCP1083DER2G is designed for use in a variety of applications, such as IP cameras, wireless access points, network appliances, and other power-over-Ethernet devices. The NCP1083DER2G is also suitable for applications where low power, low noise, and high efficiency are critical. For example, the NCP1083DER2G can be used in medical equipment, such as powered beds and wheelchairs, where power efficiency and noise levels are of particular importance.

Working Principle

The NCP1083DER2G operates by detecting a voltage drop on the Ethernet data pair and then activating the power either from an AC supply or from a DC battery. The NCP1083DER2G then supplies current to the device in order to power it up. In order to maintain safe operation, the NCP1083DER2G monitors the voltage drop between the power and data pairs at regular intervals. If the voltage drop exceeds a preset threshold, then the NCP1083DER2G will turn off the power to the device in order to protect it.

The NCP1083DER2G also features a proprietary self-protection circuit that helps to protect the device from over-voltage conditions, as well as from potential short-circuits. This circuit is designed to shut off the power within milliseconds in the event that an over-voltage or short-circuit situation is detected. This circuit ensures that the device is protected from potential damage.

Conclusion

The NCP1083DER2G is a Power Over Ethernet (PoE) controller from Texas Instruments that is designed for applications that require a high-efficiency, low-cost PoE solution. The NCP1083DER2G can provide up to 60 watts of power to a single device, and its high efficiency allows the device to maintain a low profile in power-sensitive systems. The NCP1083DER2G is suitable for use in a wide range of applications, such as IP cameras, wireless access points, network appliances, and other PoE devices. The NCP1083DER2G is also equipped with a proprietary self-protection circuit that is designed to provide over-voltage and short-circuit protection for the device.

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