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MAX5074AAUP+
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Product Detailed Parameters
- Description：IC PWR FOR IEEE 802.3AF 20TSSOP
- Series：*
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Applications：-
- Voltage - Input：-
- Number of Outputs：-
- Voltage - Output：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：20-TSSOP-EP
- Grade：-
- Qualification：-
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Overview
The MAX5074AAUP+ is a power controller designed for IEEE 802.3af Powered Devices (PD). It manages power delivery within the standard's specifications, supporting up to 12.95W of output power. The device operates with an input voltage range typical for PoE applications and provides a regulated output suitable for downstream conversion stages. It integrates protection features including overvoltage, overcurrent, and thermal shutdown to ensure reliable operation in network-powered environments.
Feature Summary
- Compliant with IEEE 802.3af Powered Device standards
- Integrated power management controller for PD applications
- Includes comprehensive protection mechanisms for system safety
Applications
- IEEE 802.3af Powered Device implementations
- Network-powered industrial sensors
- IP camera power systems
Procurement Notes
Verify the specific suffix 'A' and package type 'TSSOP-20' against the official Analog Devices datasheet to confirm pinout and electrical characteristics. Ensure compatibility with the target IEEE 802.3af power sourcing equipment. Check for obsolescence status as Maxim Integrated products may have limited availability or replacement recommendations from Analog Devices.
Selection Notes
Select this component when designing a Powered Device that requires strict adherence to IEEE 802.3af power classification and detection protocols. It is suitable for applications needing a dedicated controller to manage the interface between the PoE input and the local DC-DC converter. Consider thermal performance in the TSSOP-20 package if high ambient temperatures are expected.
Part Context
This part belongs to the Maxim Integrated PMIC portfolio, specifically within the specialized regulators category. It serves as a bridge component in Power over Ethernet systems, handling the complex detection and classification sequences required by the 802.3af standard before enabling power transfer to the load.
Replacement Considerations
Consult Analog Devices documentation for current lifecycle status. Direct replacements may include newer generations of PoE controllers from the same manufacturer. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution.
