MAX5940BESA+

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The MAX5940BESA+ is a power over Ethernet (PoE) controller designed for PMIC applications. It is designed for high-efficiency, low-power applications and can be used in applications such as switches, power supplies, automotive and industrial control, and medical devices. It features a small, low-profile package footprint, which allows for superior design flexibility.

The MAX5940BESA+ controller is a single-chip power over Ethernet (PoE) system that enables the delivery of up to 25.5W of Class 4 power over a standard Ethernet cable to a powered device (PD). It is compatible with the 802.3at PoE standards and supports a wide range of PMIC architectures for PoE applications. The MAX5940BESA+ provides up to 2.5A of current at up to 25.5W, making it ideal for applications where power is required but limited space is available.

The MAX5940BESA+ includes a comprehensive feature set including auto-sensing, adaptive Class 4 power output, intelligent power management, and built-in system monitoring. The controller also includes configurable over-current and over-temperature protection along with short-circuit and open-load protection. The MAX5940BESA+ is also suitable for applications that require special timing constraints. The controller features adjustable programming parameters and programmable-protocol settings, enabling it to meet the power delivery needs of any PoE-enabled device.

The MAX5940BESA+ controller can be used to power a wide range of devices from switches and microcontrollers to cameras and wireless access points. It can also be used to provide Class 4 power to powered devices (PDs) such as motor controllers, HVAC systems, AV equipment, and medical devices. The controller is designed to detect the classification and power demands of the connected device and will adjust the power output accordingly.

The MAX5940BESA+ is designed to be easy to use and requires minimal external components. It includes an integrated power supply voltage regulator and a low-noise internal PWM switching converter. The controller also includes integrated protection features that provide the user with added protection against fault conditions. The controller features integrated interlocking protection and enhanced thermal management to ensure safe and reliable operation.

The MAX5940BESA+ is a highly efficient, low-power controller suitable for PMIC applications. It is capable of delivering up to 25.5W of Class 4 power over a standard Ethernet cable and is compatible with the 802.3at PoE standards. The controller includes a comprehensive feature set and provides adjustable programmability and programmable protocol settings. The integrated protection features, along with the integrated power supply voltage regulator and low-noise switching regulator, makes the MAX5940BESA+ a reliable and safe solution for powering a variety of devices.

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