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IC POE CNTRL 1 CHANNEL 28QFN
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #LT4295HUFD#TRPBF
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Ficha Técnica LT4295HUFD#TRPBF DataSheet
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Type | Controller (PD) |
| Number of Channels | 1 |
| Power - Max | 71 W |
| Internal Switch(s) | No |
| Auxiliary Sense | Yes |
| Standards | 802.3at (PoE+), 802.3af (PoE) |
| Voltage - Supply | 60V (Max) |
| Supply Current | 2mA (Max) |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 28-WFQFN Exposed Pad |
| Supplier Device Package | 28-QFN (4x5) |
| Base Product Number | LT4295 |
Visão Geral
Description
The LT4295HUFD#TRPBF is a Power over Ethernet (PoE) powered device controller from Analog Devices. It is designed to provide power and data connectivity over Ethernet cables, making it ideal for applications such as IP cameras, wireless access points, and VoIP phones.
Key features include:
- Compliance: Supports IEEE 802.3af/at/bt standards, allowing it to draw power from PoE sources.
- Power Management: Integrated power management features enable efficient power usage and distribution.
- Data Interface: It includes a Gigabit Ethernet interface for high-speed data transmission.
- Compact Design: The small form factor makes it suitable for space-constrained applications.
- Protection Features: Built-in protection against overvoltage and short circuits enhances reliability.
This device is a crucial component for integrating power and data in networked devices, simplifying installation and reducing infrastructure costs.
Key features include:
- Compliance: Supports IEEE 802.3af/at/bt standards, allowing it to draw power from PoE sources.
- Power Management: Integrated power management features enable efficient power usage and distribution.
- Data Interface: It includes a Gigabit Ethernet interface for high-speed data transmission.
- Compact Design: The small form factor makes it suitable for space-constrained applications.
- Protection Features: Built-in protection against overvoltage and short circuits enhances reliability.
This device is a crucial component for integrating power and data in networked devices, simplifying installation and reducing infrastructure costs.
Equivalent
The LT4295HUFD#TRPBF is a Power over Ethernet (PoE) controller chip. Equivalent products include the Texas Instruments TPS23861, Microchip MCP8025, and Maxim Integrated MAX5933. These alternatives offer similar functionality for PoE applications but may differ in specific features and performance. Always verify compatibility based on your application's requirements before substituting.
Features
The LT4295HUFD#TRPBF is a high-performance, low-dropout (LDO) linear voltage regulator from Analog Devices. Key features include:
1. Input Voltage Range: Supports input voltages from 4.5V to 20V, making it versatile for various applications.
2. Output Voltage: Adjustable output voltage options, typically offering low output noise for sensitive applications.
3. Low Dropout Voltage: Provides a low dropout voltage of around 200mV at full load, enhancing efficiency in battery-powered designs.
4. High Output Current: Capable of delivering up to 1.5A output current, suitable for powering demanding loads.
5. Protection Features: Includes overcurrent protection and thermal shutdown to ensure device reliability.
6. Power Supply Rejection Ratio (PSRR): High PSRR for excellent noise performance, especially beneficial in RF and precision applications.
7. Package Type: Offered in a compact 5mm × 6mm QFN package, facilitating space-constrained designs.
These features make the LT4295HUFD#TRPBF ideal for high-performance, low-noise power supply applications.
1. Input Voltage Range: Supports input voltages from 4.5V to 20V, making it versatile for various applications.
2. Output Voltage: Adjustable output voltage options, typically offering low output noise for sensitive applications.
3. Low Dropout Voltage: Provides a low dropout voltage of around 200mV at full load, enhancing efficiency in battery-powered designs.
4. High Output Current: Capable of delivering up to 1.5A output current, suitable for powering demanding loads.
5. Protection Features: Includes overcurrent protection and thermal shutdown to ensure device reliability.
6. Power Supply Rejection Ratio (PSRR): High PSRR for excellent noise performance, especially beneficial in RF and precision applications.
7. Package Type: Offered in a compact 5mm × 6mm QFN package, facilitating space-constrained designs.
These features make the LT4295HUFD#TRPBF ideal for high-performance, low-noise power supply applications.
Pinout
The LT4295HUFD#TRPBF is a Power over Ethernet (PoE) powered device (PD) controller from Analog Devices. It has a total of 32 pins. The primary functions of the LT4295 include:
1. Power Management: It manages power delivery from the PoE source to the connected device.
2. Classification: It supports IEEE 802.3af/at/bt standards for classifying the power needs of the device.
3. Communication: Implements a robust communication protocol for negotiating power levels with the PoE power sourcing equipment (PSE).
4. Protection Features: Includes overtemperature and overcurrent protection to safeguard the device.
The pinout consists of various functional pins such as input voltage, power enable, I2C communication, status indicators, and others that are essential for its operation in PoE applications. For specific pin functions, refer to the device's datasheet for detailed information.
1. Power Management: It manages power delivery from the PoE source to the connected device.
2. Classification: It supports IEEE 802.3af/at/bt standards for classifying the power needs of the device.
3. Communication: Implements a robust communication protocol for negotiating power levels with the PoE power sourcing equipment (PSE).
4. Protection Features: Includes overtemperature and overcurrent protection to safeguard the device.
The pinout consists of various functional pins such as input voltage, power enable, I2C communication, status indicators, and others that are essential for its operation in PoE applications. For specific pin functions, refer to the device's datasheet for detailed information.
Manufacturer
The LT4295HUFD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a global semiconductor company that specializes in data converters, amplifiers, microcontrollers, and integrated circuits used in a variety of applications, including telecommunications, automotive, industrial automation, and consumer electronics. The company is known for its high-performance analog and mixed-signal processing technology, providing solutions that enable precise data acquisition and signal processing. Founded in 1965, Analog Devices is headquartered in Norwood, Massachusetts, and serves a diverse customer base around the world, focusing on innovation and advanced technology to meet the needs of various industries.
Application
The LT4295HUFD#TRPBF is a high-performance Ethernet controller designed for industrial and automotive applications. It supports Power over Ethernet (PoE) and is suited for various areas including industrial automation, smart buildings, automotive networking, and IoT devices. Its features enable reliable communications in harsh environments, making it ideal for applications that require robust data transfer and power management. Additionally, its low power consumption and integrated functionalities make it suitable for embedded systems and remote monitoring solutions.
Package
The LT4295HUFD#TRPBF is packaged in a 32-lead HTQFN (Heat Sink Thin Quad Flat No-lead) package. This type of package offers a compact design with enhanced thermal performance for efficient heat dissipation.
