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Product Detailed Parameters
- Description：IC CTRLR PD IEEE 802.3AF 16TQFN
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Strip
- Type：Controller (PD)
- Number of Channels：1
- Power - Max：70 W
- Internal Switch(s)：Yes
- Auxiliary Sense：Yes
- Standards：802.3at (PoE+), 802.3af (PoE)
- Voltage - Supply：36.6V ~ 60V
- Current - Supply：250µA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-WQFN Exposed Pad
- Supplier Device Package：16-TQFN (5x5)
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Overview
The MAX5982AETE+ is an IEEE 802.3af/at-compliant hot-swap voltage controller designed for Powered Device (PD) applications in Power over Ethernet systems. It operates within a supply voltage range of 36.6V to 60V and supports up to 70W of power. The device integrates detection, classification, and isolation switching with inrush current control. It functions reliably across an operating temperature range of -40°C to +85°C.
Feature Summary
- Complies with IEEE 802.3af and 802.3at standards for Powered Devices
- Integrates isolation power switch with inrush current control
- Provides hardware-based detection and classification signatures
Applications
- Power over Ethernet Powered Devices
- IEEE 802.3af compliant network equipment
- IEEE 802.3at PoE+ powered endpoints
Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with system voltage requirements before integration. Confirm RoHS compliance status through manufacturer datasheets. Validate lead times and availability directly with authorized distributors as stock levels fluctuate.
Selection Notes
Select this component for designs requiring integrated PoE PD management without external discrete switches. It suits applications needing strict adherence to IEEE 802.3af/at protocols. Consider the 16-TQFN package for space-constrained layouts. Verify input voltage ranges match the specific PoE class requirements of the target application.
Part Context
This part belongs to the MAX5982 family of hot-swap controllers from Maxim Integrated, now part of Analog Devices. These controllers are specialized for managing power delivery in Ethernet networks. The AETE+ variant specifically denotes the commercial temperature grade and lead-free packaging configuration within this product line.
Replacement Considerations
Publicly confirmed substitutes include MAX5982BETE+T and MAX5982CETE+T. Verify pinout compatibility and electrical parameter alignment with the original design requirements before substitution.
