規格
| 屬性 | 價值 |
| Brand | Analog Devices |
| Mounting Type | SMD/SMT |
| Product Type | Power Switch ICs - POE / LAN |
| Subcategory | Switch ICs |
| Series | LTC4267 |
| Delivery Restrictions | Mouser does not sell this product in your region. |
| Package / Case | DFN-16 |
| Type | Powered Device - PD |
| Standard | 802.3af |
概述
Description
The LTC4267IDHC is a Power over Ethernet (PoE) powered device controller designed by Analog Devices. It facilitates the safe and efficient delivery of power and data over standard Ethernet cables, enabling devices like IP cameras, VoIP phones, and wireless access points to operate without a separate power supply.
Key features include:
1. PoE Implementation: Supports IEEE 802.3af/at standards, delivering up to 15.4W (PoE) or 30W (PoE+) to powered devices.
2. Integrated Protection: Includes thermal shutdown, over-voltage, and current limiting, ensuring device safety and reliability.
3. Power Management: Features a power management interface for monitoring and control.
4. Compact Design: Optimized for integration into space-constrained environments.
The LTC4267IDHC is ideal for applications requiring robust power delivery alongside data connectivity, streamlining installation and reducing costs.
Key features include:
1. PoE Implementation: Supports IEEE 802.3af/at standards, delivering up to 15.4W (PoE) or 30W (PoE+) to powered devices.
2. Integrated Protection: Includes thermal shutdown, over-voltage, and current limiting, ensuring device safety and reliability.
3. Power Management: Features a power management interface for monitoring and control.
4. Compact Design: Optimized for integration into space-constrained environments.
The LTC4267IDHC is ideal for applications requiring robust power delivery alongside data connectivity, streamlining installation and reducing costs.
Equivalent
The LTC4267IDHC chip, a Power over Ethernet (PoE) controller, has several equivalent products, including the Texas Instruments TPS23753, Microchip MCP8025, and Analog Devices ADM1496. These alternatives provide similar PoE functionality, supporting IEEE 802.3af/at standards. Always verify specifications and compatibility for your specific application.
Features
The LTC4267IDHC is a Power over Ethernet (PoE) powered device controller designed for use in powered devices (PDs). Key features include:
1. PD Classification: Supports IEEE 802.3af/at/bt standards, allowing for flexible power sourcing.
2. Integrated Power Management: Smart power management with an integrated power MOSFET for efficient energy use.
3. Voltage Range: Accepts a wide input voltage range from 37V to 57V.
4. Low Power Consumption: Features low quiescent current, enhancing energy efficiency.
5. Multi-Channel Capability: Can manage multiple output channels for powering various devices.
6. Overtemperature and Overcurrent Protection: Built-in safety mechanisms to protect against faults.
7. Status Indication: Provides an integrated status output for monitoring power and operational status.
8. Compact Package: Offered in a compact 28-lead TSSOP package, suitable for space-constrained designs.
These features make the LTC4267IDHC ideal for applications in IP cameras, VoIP phones, and other network devices requiring PoE.
1. PD Classification: Supports IEEE 802.3af/at/bt standards, allowing for flexible power sourcing.
2. Integrated Power Management: Smart power management with an integrated power MOSFET for efficient energy use.
3. Voltage Range: Accepts a wide input voltage range from 37V to 57V.
4. Low Power Consumption: Features low quiescent current, enhancing energy efficiency.
5. Multi-Channel Capability: Can manage multiple output channels for powering various devices.
6. Overtemperature and Overcurrent Protection: Built-in safety mechanisms to protect against faults.
7. Status Indication: Provides an integrated status output for monitoring power and operational status.
8. Compact Package: Offered in a compact 28-lead TSSOP package, suitable for space-constrained designs.
These features make the LTC4267IDHC ideal for applications in IP cameras, VoIP phones, and other network devices requiring PoE.
Pinout
The LTC4267IDHC is a Power over Ethernet (PoE) Powered Device (PD) controller from Analog Devices. It features a 28-pin HTSSOP (Thin Shrink Small Outline Package) package.
The main functions of the LTC4267 include:
1. Power Management: It enables the management of the power supplied over Ethernet, ensuring proper power delivery to powered devices.
2. Detection and Classification: The chip detects PoE input and classifies the power level for compatibility with various PoE standards.
3. Power Input Regulation: It regulates the input voltage and manages inrush current during power-up.
4. Power Fault Protection: Provides overvoltage and undervoltage protection.
5. Integrated MOSFET Drivers: Allows for efficient operation and minimizes losses.
In summary, the LTC4267IDHC is a versatile PoE PD controller with a total of 28 pins, designed for efficient power management in PoE applications.
The main functions of the LTC4267 include:
1. Power Management: It enables the management of the power supplied over Ethernet, ensuring proper power delivery to powered devices.
2. Detection and Classification: The chip detects PoE input and classifies the power level for compatibility with various PoE standards.
3. Power Input Regulation: It regulates the input voltage and manages inrush current during power-up.
4. Power Fault Protection: Provides overvoltage and undervoltage protection.
5. Integrated MOSFET Drivers: Allows for efficient operation and minimizes losses.
In summary, the LTC4267IDHC is a versatile PoE PD controller with a total of 28 pins, designed for efficient power management in PoE applications.
Manufacturer
The LTC4267IDHC is manufactured by Analog Devices, Inc. (ADI), a prominent American company known for its design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Analog Devices specializes in a wide range of applications, including telecommunications, automotive, industrial automation, healthcare, and consumer electronics. Founded in 1965, ADI is recognized for its innovative solutions that enable efficient data acquisition, signal processing, and power management. The company is particularly well-regarded for its precision analog components and has established a strong presence in the semiconductor market, serving various sectors that require reliable and high-performance electronic solutions.
Application
The LTC4267IDHC is a Power over Ethernet (PoE) controller used primarily in networking equipment such as IP cameras, VoIP phones, and wireless access points. It facilitates the delivery of power and data over a single Ethernet cable, simplifying installation and reducing the need for separate power sources. Additional application areas include industrial automation, building management systems, and IoT devices, where reliable power delivery and data connectivity are essential. Its features support both IEEE 802.3af and 802.3at standards, making it suitable for various PoE applications.
Package
The LTC4267IDHC is packaged in a 28-lead HTQFN (Heat Sink Thin Quad Flat No-lead) package. This compact form factor is designed for efficient thermal performance and space-saving in applications.
