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Product Detailed Parameters
- Description：IC POE CNTRL 1 CHANNEL 28TSSOP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Type：Controller (PSE)
- Number of Channels：1
- Power - Max：15.4 W
- Internal Switch(s)：Yes
- Auxiliary Sense：No
- Standards：802.3af (PoE)
- Voltage - Supply：32V ~ 60V
- Current - Supply：1mA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：28-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：28-TSSOP
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Overview
The MAX5922CEUI+T is a single-port network power switch and hot-swap voltage controller designed for +48V systems. It operates within a supply voltage range of 32V to 60V, with a maximum power dissipation of 1.026W. The device functions as Power Sourcing Equipment (PSE) compliant with IEEE 802.3af standards, delivering up to 15.4W. It features a quiescent current of 1mA and operates reliably between -40°C and +85°C. Packaged in a TSSOP-28 surface-mount case, it manages safe insertion and removal of circuit boards from live backplanes.
Feature Summary
- Integrates hot-swap control and PoE PSE functionality for single-port applications
- Ensures safe board insertion and removal from energized backplanes
- Complies with IEEE 802.3af Power Sourcing Equipment requirements
Applications
- IEEE 802.3af-compliant single-port Power Sourcing Equipment
- Hot-swap voltage control for +48V network infrastructure
- Safe insertion and removal management for powered devices
Procurement Notes
Verify the exact suffix against official Analog Devices documentation to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status through the manufacturer's latest datasheet or environmental declaration. Ensure the ordering part number matches the required temperature grade and packaging format for your specific production needs.
Selection Notes
Select this component for applications requiring integrated hot-swap protection and PoE PSE capabilities in a single channel. It is suitable for +48V systems needing IEEE 802.3af compliance. Consider the TSSOP-28 package constraints and thermal dissipation limits when designing the PCB layout for optimal performance.
Part Context
This device belongs to the MAX5922 series of hot-swap voltage controllers by Analog Devices/Maxim Integrated. It serves as a specialized PMIC solution for network power switching, combining power management IC functions with Ethernet power distribution controls for robust system reliability.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official cross-reference tools for potential alternatives.
