MAX5943AEEE+T

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MAX5943AEEE+T

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IC OR CTRLR N+1 16QSOP

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR)
Part Status Active
Type N+1 ORing Controller
FET Type N-Channel
Ratio - Input: Output N:1
Internal Switch(s) No
Delay Time - OFF 100 ns
Supply Current 1.3 mA
Voltage - Supply 7.5V ~ 37V
Applications FireWire®
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

Visão Geral

Description

The MAX5943AEEE+T is an integrated circuit designed for handling power management tasks, specifically focusing on Power-over-Ethernet (PoE) applications. It functions as a powered device (PD) interface, allowing for efficient power delivery through Ethernet cables, which is essential for devices like IP phones, security cameras, and wireless access points.
Key features of the MAX5943AEEE+T include detection and classification, which ensure the proper identification and power classification of the device in compliance with IEEE 802.3af standards. The IC also provides integrated power switches, current limiting, and inrush current control to protect connected devices from power surges and ensure stable power supply initiation.
Housed in a thermally efficient QSOP-16 package, the MAX5943AEEE+T is designed for easy integration into compact systems. The device supports thermal protection and undervoltage lockout, adding layers of safety and reliability. By minimizing external components, it simplifies design and reduces overall system cost, making it an ideal choice for developers working on PoE-enabled products.

Equivalent

The MAX5943AEEE+T is a Power-over-Ethernet (PoE) controller. Equivalent products include:
1. TPS2378 by Texas Instruments
2. LTC4267 by Analog Devices
3. Si3402-B by Silicon Labs
4. RT9801 by Richtek Technology
These alternatives offer similar functionality but be sure to check their specific features and pin compatibility to ensure suitability for your application.

Features

The MAX5943AEEE+T is an integrated circuit designed for hot-swap applications, allowing safe insertion and removal of circuit boards from a live backplane. Key features include:
1. Hot-Swap Controller: Manages power-up and power-down sequences to prevent damage.
2. Current Limiting: Provides adjustable current limiting to protect against overloads.
3. Fault Protection: Includes a fault management system that protects against overcurrent, undervoltage, and overvoltage conditions.
4. Power-Good Signal: Offers a power-good signal to indicate when output voltage levels are within specifications.
5. Under-Voltage Lockout (UVLO): Ensures the device is only operational when the supply voltage is above a certain threshold.
6. Automotive and Industrial Applications: Suitable for applications requiring robust power management under varying conditions.
7. Thermal Protection: Includes thermal shutdown to prevent damage from overheating.
8. Surface-Mount Package: Available in a compact, surface-mount package for ease of integration.
These features make the MAX5943AEEE+T ideal for maintaining system stability and reliability in environments where modules need to be hot-swapped.

Pinout

The MAX5943AEEE+T is a 14-pin IC designed for use in IEEE 802.3af-compliant powered devices. It functions as a power interface controller for Power-over-Ethernet (PoE) applications. Key features include detection, classification, and power management needed to comply with the standard specifications. The package type for this device is typically a 14-pin TSSOP.
Given its role, the MAX5943AEEE+T manages power delivery and ensures safe and efficient power distribution over Ethernet cables by negotiating the power requirements with Power Sourcing Equipment (PSE). Its integrated features help in maintaining the correct power levels and protecting against faults.

Manufacturer

The MAX5943AEEE+T is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacture of semiconductor products and solutions. It is well-known for its high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in a wide range of applications, including industrial, automotive, communications, healthcare, and consumer electronics.

Application

The MAX5943AEEE+T is primarily used in networking, telecommunications, and server applications. It functions as a hot-swap controller, facilitating the safe insertion and removal of circuit boards in live backplanes by controlling the power-up sequence and protecting against over-current and short-circuit conditions. Its design is well-suited for systems that require high reliability and uptime, such as data centers and enterprise networking equipment. Additionally, it aids in power management and distribution in systems that incorporate multiple power supplies and is often utilized in advanced telecommunications computing architecture (ATCA) and similar high-availability systems.

Package

The MAX5943AEEE+T is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package). This package type is designed for surface mounting and offers a compact footprint for electronic circuits.

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