KPM5912

Description

The KPM5912 is the world’s smallest 85-watt IEEE802.3bt PoE Powered Device (PD) module solution in its class. It is a low-cost solution compliant with the IEEE802.3bt Power over Ethernet (PoE) standard, which includes backward compliance with IEEE802.3at and IEEE802.3af standards. It presents a Type 4, Class 8 signature and supports output power up to 85 watts when sourced from an IEEE802.3bt compliant Power Sourcing Equipment (PSE) capable of providing the required power.

The Kinetic Technologies KTA1142 IEEE 802.3af/at/bt PoE PD with integrated active clamp forward DC-DC controller is included on this module and used to provide advanced features not found on most PoE PD modules. These include Maintain Power Signature (MPS) to maintain connection to the compliant PSE under low-power conditions, Auto Class to enable automatic power budgeting, and built-in support for automatic switchover to an external DC power source, such as a wall adapter. KPM5912 provides indications for the power class on which the module is functioning, and the type of PSE connected. It has a well-regulated, low-noise, and low-ripple output, with overload, short-circuit output, and in-rush current protections.

The KPM5912 module features a low-EMI, highly efficient DC-DC converter, which achieves up to 93% efficiency and maintains 1500V isolation between input and output.

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Technical Documentation

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