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Home Product MAX5954LETX+T IEEE 802.3af PoE PD Controller IC, MAXIM Integrated Power Management
MAX5954LETX+T

MAX5954LETX+T IEEE 802.3af PoE PD Controller IC, MAXIM Integrated Power Management

Maxim Integrated MAX5954
POE Controller IC
TQFN-40 Power Supply
MAX5954LETX+T
Maxim Integrated MAX5954 POE Controller IC in TQFN-40 package delivers IEEE 802.3at/af compliant power sourcing equipment (PSE) management. Integrates detection, classification, and power monitoring for robust PoE solutions. Offers flexible power supply control with high efficiency. Compact design ideal for space-constrained network systems.
Categories:Electronic components
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Product Description

The Maxim Integrated MAX5954LETX+T is a Power over Ethernet (PoE) Controller IC designed for efficient power management in PoE systems. This TQFN-40 power supply solution supports IEEE 802.3af/at standards, enabling seamless integration with Ethernet switches, routers, and midspans. It provides a single-channel interface to control powered devices (PDs), offering programmable current limits (up to 30W) and a wide input voltage range of 36-57V. Featuring advanced detection and classification mechanisms, it ensures safe PD recognition and prioritizes power allocation. With built-in thermal protection, I²C communication, and integrated MOSFETs, it simplifies system design while operating reliably across an industrial temperature range (-40°C to +85°C). Ideal for IP cameras, wireless access points, and industrial automation, this IC excels in robustness, energy efficiency, and compliance with PoE standards, though requires precise external component matching for optimal performance.
Parameter Specification
Manufacturer Maxim Integrated
Part Number MAX5954LETX+T
Device Type PoE Controller IC
Package TQFN-40
Input Voltage Range -0.3V to 15V
Compliance Standards IEEE 802.3af/at
Output Current Limit Programmable up to 600mA
Operating Temperature -40°C to +85°C
Integrated Power MOSFET Yes
Hot-Swap Detection 0V to 57V Monitor Range
UVLO Threshold Adjustable via External Resistors
Switching Frequency 250kHz (Typical)
Protection Features Over-Temperature, Short-Circuit, Overcurrent
Pin Configuration 40-Pin TQFN (6mm x 6mm)
question:Does the company have a team of professional product selection engineers?
answer:Yes, our expert team ensures optimal product choices through market research and quality analysis.
question:How are after-sales issues handled if a malfunctioning product is identified as refurbished?
answer:We offer immediate replacement or refund, prioritizing customer satisfaction and quality assurance.
question:Can the company provide technical selection support services?
answer:Yes, we offer tailored technical selection guidance to align with client requirements and industry standards.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Does the company have a team of professional product selection engineers?
answer:Yes, our expert team ensures optimal product choices through market research and quality analysis.
question:How are after-sales issues handled if a malfunctioning product is identified as refurbished?
answer:We offer immediate replacement or refund, prioritizing customer satisfaction and quality assurance.
question:Can the company provide technical selection support services?
answer:Yes, we offer tailored technical selection guidance to align with client requirements and industry standards.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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