MAX5982CETE+T

Power Over Ethernet (PoE) Controllers

Power over Ethernet (PoE) is a technology for transferring both data and electrical power using a single cable. This technology has some important application fields such as powering CCTV cameras, security systems, automatic antennas and wireless access points. A Power Over Ethernet (PoE) controller is an integrated circuit that helps to control, manage and monitor the power supply for the PoE enabled access points, cameras and other supporting PoE applications.

MAX5982CETE+T Application Field

The MAX5982CETE+T device offers a highly efficient and simple solution to manage PoE applications. It is a single-chip power-over-Ethernet (PoE) controller integrated with a PWM controller and two integrated MOSFETs. It is designed to supply Class 3, Class 4 and Class 5 PoE systems as defined in the IEEE 802.3af/at, IEEE 802.3bt and IEEE 802.3bt-Type 2 specifications. This device supports a wide input voltage range of 10.5V to 57V, making the device suitable for a wide variety of PoE applications from industrial to consumer segments.

The MAX5982CETE+T device helps to meet the PD3.3 and PD4.0 standards for higher wattage applications and is capable of supplying 1.2A of continuous output current with peak current supported up to 2.7A. It supports 23W to 90W of power-delivery depending on the cable length and the load requirements.

This chip offers a complete solution for the PSE and PD applications. It offers operating flexibility to the designers with a low temperature coefficient. The device includes a set of many features such as integrated ESD protection, over-temperature protection, over-current protection and short-circuit protection.

MAX5982CETE+T Working Principle

The MAX5982CETE+T device works by converting the voltage input to the appropriate regulated voltage output. To do this, it uses a switching regulator principle which reduces the overall power consumption by a huge percentage. The device includes an internal current limit circuit, a switch off latency timer, and a frequency doubling circuit. All these features together make this device a reliable, efficient and cost-effective solution for the PoE applications.

The main feature of this device is its low power efficient design. It helps to reduce the overall power consumption by a large percentage by using fewer components and reduced switching losses. This reduces the overall power dissipation to a great extent and minimizes the thermal management requirements.

The device also includes an integrated Energy Star compliant feature that allows the system to enter sleep mode and reduce the overall power consumption. This helps to save energy and reduce the thermal impact on the components. The device also supports remote monitoring and adjustment of the output voltage.

Conclusion

The MAX5982CETE+T device is a feature-rich power over Ethernet controller that allows for high power efficient, reliable and cost-effective functioning of the PoE applications. It offers support for various PoE protocols, supports a wide input voltage range and offers flexible operating options. It also offers various protection mechanisms to ensure safe and undisturbed operation of the system. All these features make the device an excellent choice for PoE-based applications.