MP8009AGV-P

Overview

The MP8009AGV-P is a Power over Ethernet (PoE) Powered Device controller compliant with IEEE 802.3af/at standards, manufactured by Monolithic Power Systems. It integrates a synchronous boost converter capable of delivering up to 19A output current with a switching frequency of 600kHz. The device supports an output voltage range of 22V and operates on input supply voltages from 0V to 57V. Key electrical specifications include a maximum on-resistance of 480 mOhms, a current limit of 840 mA, and a maximum duty cycle of 70%. It features low quiescent current of 450 uA and functions within a temperature range of -40°C to +125°C in a QFN-28 package.

Feature Summary

• Integrates a synchronous boost converter with an input disconnect function for efficient power management
• Compliant with IEEE 802.3af/at standards for PoE powered devices
• Includes built-in protection mechanisms such as current limiting and thermal shutdown

Applications

• Power over Ethernet powered devices
• LAN interface power management systems
• Network equipment requiring IEEE 802.3af/at compliance

Procurement Notes

Verify the specific suffix 'P' indicates tape and reel packaging when ordering. Confirm RoHS compliance status through official datasheets or manufacturer documentation prior to integration. Ensure design compatibility with the QFN-28 footprint and thermal requirements. Cross-reference the exact part number with authorized distributors to avoid counterfeit components. Validate that the selected variant meets all environmental operating conditions required for the final application.

Selection Notes

Select this component for applications requiring integrated PoE PD functionality with high current capability. The synchronous boost topology offers improved efficiency compared to asynchronous alternatives. Consider the 600kHz switching frequency for balancing component size and performance. The wide input voltage range accommodates various PoE standard variations. Evaluate the QFN-28 package for suitable PCB space and thermal dissipation needs in the target design.

Part Context

This part belongs to the MP8009A series of power switch ICs designed specifically for PoE and LAN applications. It serves as a complete solution for powered devices needing to draw power from Ethernet cables while regulating it for internal circuitry. The series focuses on meeting industry standards for network connectivity power delivery.

Replacement Considerations

Check for direct substitutes within the MP8009A family or other MPS PoE controllers. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution. Consult official replacement guides for any updated versions or recommended new designs.

FAQ

What IEEE standards does the MP8009AGV-P support?

It supports IEEE 802.3af and 802.3at standards for Power over Ethernet.

What is the maximum output current capability?

The device can deliver up to 19A of output current.