MAX5981AETE+

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The MAX5981AETE+ is a Non-Isolated Power Over Ethernet (PoE) Controller from Maxim Integrated. It is a power management IC (PMIC) specifically designed to provide a low-cost, easy-to-implement solution to support IEEE 802.3af class 0 and class 2 power sourcing applications. This integrated semiconductor device enables designers to implement an isolated non-inverting power supply in a single chip.

The MAX5981AETE+ is optimized for PoE applications, allowing designers to leverage the high-efficiency and flexibility of the integrated non-isolated controller to reduce system costs and size. This PMIC is designed to operate directly from the PoE power source and features a low-ripple synchronous rectifier and Synchronous-Boost™ battery charger to maximize efficiency. With up to 96% efficiency for All Class 0 compliant devices, the MAX5981AETE+ also supports IEEE 802.3at-compliant Class 4 devices.

In addition to its low-cost, single-chip solution, the MAX5981AETE+ also offers an integrated monitoring and protection system. This includes a digital output to signal power availability, an integrated over-voltage protection circuit to protect mains-powered devices from high voltage surges and a fault output that can be used for power supply shutdown.

The MAX5981AETE+ features a simple, flexible design. It accepts input voltages of up to 60 V, and offers a wide range of voltage output options. This allows the user to easily configure the PMIC to support a variety of power-sourcing applications. In addition, its wide operating frequency range allows for high-efficiency operation over a wide range of temperatures, making it suitable for a range of industrial, medical and automotive applications.

The MAX5981AETE+ IC provides a comprehensive solution for designers looking to develop efficient, cost-effective solutions for IEEE 802.3af powered devices. With a wide range of features, the integrated non-isolated controller offers a low-cost, single-chip solution that is ideal for powering PoE devices.

The MAX5981AETE+ power over ethernet (PoE) controller is a voltage regulator integrated circuit (IC) by Maxim Integrated designed to provide cost-effective, easy-to-implement solutions for class 0 and class 2 power sourcing applications. This PMIC is designed to operate directly from PoE power sources and features high efficiency, low-ripple synchronous rectifier and Synchronous-Boost™ battery charger to reduce the system cost and size. It contains an integrated monitoring and protection system, such as a digital output for signaling power availability, an over-voltage protection circuit for protecting mains-powered devices from high voltage surges, and a fault output for power supply shutdown. On top of that, the PMIC offers multiple voltage output options at up to 60 V and has a wide operating frequency range for high-efficiency operation over a wide range of temperatures.

The MAX5981AETE+ is a great power over ethernet (PoE) controller and is ideal for a variety of industrial, medical and automotive applications. It is designed to provide a non-isolated power solution in a single chip, at the same time offering high efficiency, flexibility and reliability. With many integrated features, this single chip solution is the perfect choice for designers looking to develop efficient, cost-effective solutions for IEEE 802.3af-compliant devices.

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