LTC4252CIMS-2#PBF

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LTC4252CIMS-2#PBF

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IC HOT SWAP CTRLR -48V 10MSOP

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Especificações

Atributo Valor
PartStatus Active
Type Hot Swap Controller
NumberofChannels 1
InternalSwitch(s) No
Applications -48V
Features Auto Retry
ProgrammableFeatures Current Limit, Fault Timeout, OVP, UVLO
Voltage-Supply -48V
OperatingTemperature -40°C ~ 85°C
Current-Supply 900 µA
MountingType Surface Mount
Package/Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
SupplierDevicePackage 10-MSOP
BaseProductNumber LTC4252

Visão Geral

Description

The LTC4252CIMS-2#PBF is a power management IC designed for Power over Ethernet (PoE) applications. It enables the detection, classification, and power management of powered devices (PDs) in accordance with IEEE 802.3 standards. The IC features a robust design that supports both Type 1 and Type 2 PoE, allowing it to handle power levels up to 30W.
Key features include an integrated MOSFET switch for power management, programmable classification current, and fault protection mechanisms. The LTC4252 also provides accurate detection of PoE power supplies and offers programmability through external components, enabling customization for specific applications.
Additionally, it incorporates thermal and overcurrent protection, ensuring safe operation in various environments. This makes it suitable for use in networking equipment, IP cameras, wireless access points, and other devices requiring PoE. Its compact size and efficiency make it a popular choice among engineers designing PoE-enabled devices.

Equivalent

Equivalent products for the LTC4252CIMS-2#PBF chip include the LTC4252IMS-2, LTC4252-2, and other PoE (Power over Ethernet) controllers like the TPS23753 from Texas Instruments. Always verify compatibility in terms of features, pin configuration, and application requirements before substituting.

Features

The LTC4252CIMS-2#PBF is a Power over Ethernet (PoE) powered device (PD) controller designed for high-efficiency applications. Key features include:
1. IEEE 802.3af/IEEE 802.3at Compliance: Supports PoE standards for powering devices over Ethernet.
2. Integrated Power MOSFET: Reduces external component count and simplifies design.
3. Low Power Consumption: Efficient operation minimizes energy use, enhancing system longevity.
4. Universal Input Voltage Range: Accepts input voltages from 36V to 60V, accommodating various network environments.
5. Power Classification: Supports up to Class 4 (30W) for high-power applications.
6. Overtemperature and Short-Circuit Protection: Ensures reliability and safety in operation.
7. Power Good Indicator: Provides visual feedback regarding power status.
8. Compact Package: Available in a 16-lead MSOP package, suitable for space-constrained designs.
Overall, the LTC4252CIMS-2#PBF facilitates robust and efficient PoE designs in networking and telecommunications equipment.

Pinout

The LTC4252CIMS-2#PBF is a Power over Ethernet (PoE) powered device (PD) controller with a pin count of 16. It is designed to manage the power negotiation and regulation for devices receiving power through Ethernet cables.
Key functions include:
1. Power Negotiation: It communicates with the Power Sourcing Equipment (PSE) to negotiate power levels.
2. Current Sensing: Monitors the input current to ensure it stays within safe limits.
3. Overcurrent Protection: Provides protection against excessive current conditions.
4. Power Fault Protection: Detects and responds to fault conditions to protect the device.
5. Configuration Options: Supports both Class 0-4 PD operation for different power levels.
6. Thermal Protection: Monitors and protects against overheating.
The device is suitable for various applications, including IP cameras, VoIP phones, and wireless access points.

Manufacturer

The LTC4252CIMS-2#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is renowned for its innovative solutions in various applications, including communications, automotive, healthcare, industrial, and consumer electronics.
The LTC4252CIMS-2#PBF is a Power over Ethernet (PoE) controller designed for powering devices over Ethernet networks. It integrates features that enable the management of power delivery, making it suitable for applications such as VoIP phones, IP cameras, and wireless access points. Analog Devices focuses on providing precision and high-quality components that facilitate the design of complex electronic systems while ensuring efficiency and reliability. The company plays a crucial role in advancing technology through its commitment to research and development in the semiconductor industry.

Application

The LTC4252CIMS-2#PBF is a Power over Ethernet (PoE) controller primarily used in network devices such as IP cameras, VoIP phones, and wireless access points. It enables the delivery of power alongside data over Ethernet cables, simplifying installation and reducing wiring costs. This IC supports both IEEE 802.3af and 802.3at standards, making it suitable for a variety of applications requiring efficient power management. Additionally, it can be used in industrial automation systems and IoT devices where remote powering is essential. Its features include power classification, fault protection, and thermal management.

Package

The LTC4252CIMS-2#PBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package).

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