MAX5980AGTJ+

Overview

The MAX5980AGTJ+ is a quad Power Sourcing Equipment (PSE) controller compliant with IEEE 802.3af and 802.3at standards. It operates within a supply voltage range of 32V to 60V and draws a typical operating current of 5mA. The device supports a maximum output power of 70W and includes a current limit setting of 75mA. Designed for surface mount installation, it utilizes a TQFN-EP-32 package with an exposed pad. The component functions reliably across an extended temperature range from -40°C to +105°C.

Feature Summary

• Supports four independent PoE channels compliant with IEEE 802.3af/at standards
• Integrates classification and power management logic for PSE applications
• Operates over a wide input voltage range suitable for standard PoE infrastructure

Applications

• Power Sourcing Equipment (PSE) controllers
• PoE midspan injectors
• PoE switch modules

Procurement Notes

Verify availability status as the part may be subject to limited supply or discontinuation. Confirm RoHS compliance details through official documentation. Ensure the ordering suffix matches the required packaging format. Validate that the specific variant meets all electrical requirements for the target application before procurement.

Selection Notes

Select this component for designs requiring integrated control of multiple PoE ports without external discrete switches. Consider the thermal performance of the TQFN-EP-32 package for heat dissipation. Verify compatibility with the system's voltage rails and ensure the current limiting settings align with the connected Powered Device (PD) requirements.

Part Context

This component belongs to the MAX5980 series of PoE controllers manufactured by Analog Devices / Maxim Integrated. It is categorized under Power Switch ICs designed for LAN and PoE applications. The device serves as a central controller for managing power delivery in network infrastructure equipment.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.