MP8005DF-LF-Z

Overview

The MP8005DF-LF-Z is a Powered Device (PD) interface and PWM controller compliant with the IEEE 802.3af standard, designed for Power over Ethernet applications. It operates within a supply voltage range of 0 V to 57 V and supports an output power of 13 W. The device features a maximum current limit of 400 mA and a typical on-resistance of 1.2 Ohms. It functions at a maximum duty cycle of 86% with a quiescent operating current of 240 uA. The component is housed in a TSSOP-20 package and is rated for operation between -40°C and +85°C.

Feature Summary

• Integrates PD interface logic with PWM control for PoE compliance
• Supports high input voltage ranges up to 57 V
• Includes internal current limiting protection

Applications

• PoE-powered network endpoints
• VoIP telephones
• Wireless access points
• Network surveillance cameras

Procurement Notes

Verify RoHS compliance status through official manufacturer documentation before integration. Confirm that the TSSOP-20 package matches your PCB footprint requirements. Ensure thermal management strategies align with the specified operating temperature range of -40°C to +85°C. Cross-reference the datasheet for humidity sensitivity handling procedures during assembly.

Selection Notes

Select this component when designing systems requiring strict adherence to the 802.3af PoE standard. It is suitable for applications needing integrated PD detection and classification without external complex logic. Consider the 1.2 Ohm on-resistance for efficiency calculations. Verify compatibility with the specific PWM controller requirements of the downstream power stage.

Part Context

This part belongs to the MP8005 series from Monolithic Power Systems, specialized for Power over Ethernet solutions. It serves as a core controller for managing power delivery in compliant network devices. The series focuses on simplifying PoE PD design by combining interface and control functions in a single IC.

Replacement Considerations

Consult official MPS documentation for verified cross-references or updated revisions. No public substitute part numbers are confirmed in the provided data.