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LTC4282AUH#TRPBF
+BOMIC HOT SWAP CTRLR
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #LTC4282AUH#TRPBF
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Active |
| Type | Hot Swap Controller, Monitor |
| Number of Channels | 1 |
| Internal Switch(s) | No |
| Applications | General Purpose |
| Features | I2C, Fault Timeout, Latched Fault, OVP, SMBus, UVLO |
| Programmable Features | Circuit Breaker, Current Limit, Fault Timeout, OVP, Slew Rate, UVLO |
| Voltage - Supply | 2.9V ~ 33V |
| Operating Temperature | -40°C ~ 85°C |
| Supply Current | 3.5 mA |
| Mounting Type | Surface Mount |
| Package / Case | 32-WFQFN Exposed Pad |
| Supplier Device Package | 32-QFN (5x5) |
| Base Product Number | LTC4282 |
Tổng quan
Description
The LTC4282AUH#TRPBF is a high-performance power management IC designed for Power over Ethernet (PoE) applications. It simplifies the integration of PoE functionality by providing power sourcing equipment (PSE) capabilities, allowing devices to supply power over Ethernet cables. This chip supports IEEE 802.3at and 802.3af standards, enabling it to deliver up to 30W of power to attached devices.
Key features include automatic detection of powered devices (PD), programmable current limits, and built-in protection mechanisms against overloads and short circuits. The LTC4282 also includes a digital interface for status monitoring and control, enhancing system flexibility and diagnostics.
With its compact package and efficient power management, the LTC4282AUH#TRPBF is ideal for network switches, routers, and other equipment requiring reliable PoE. Its robust design ensures high performance and reliability in demanding networking environments.
Key features include automatic detection of powered devices (PD), programmable current limits, and built-in protection mechanisms against overloads and short circuits. The LTC4282 also includes a digital interface for status monitoring and control, enhancing system flexibility and diagnostics.
With its compact package and efficient power management, the LTC4282AUH#TRPBF is ideal for network switches, routers, and other equipment requiring reliable PoE. Its robust design ensures high performance and reliability in demanding networking environments.
Equivalent
The LTC4282AUH#TRPBF is a PD (Power Device) controller for Power over Ethernet (PoE) applications. Equivalent products include Texas Instruments' TPS23753, Microchip's MCP1811, and ON Semiconductor's NCP81074. When considering alternatives, ensure they meet similar specifications such as input voltage range, power output capabilities, and compliance with IEEE 802.3 standards. Always verify compatibility with your specific application requirements.
Features
The LTC4282AUH#TRPBF is a Power over Ethernet (PoE) powered device controller designed for high-efficiency operation. Key features include:
1. Power Management: Supports IEEE 802.3af/at/bt standards, enabling PoE applications for both standard and high-power devices.
2. Integrated MOSFET Drivers: Built-in high-side and low-side MOSFET drivers reduce external component count and enhance efficiency.
3. Wide Input Voltage Range: Operates from 37V to 57V, accommodating various PoE configurations.
4. Programmable Power: Adjustable power delivery allows for flexible design implementations.
5. Thermal Protection: Includes thermal shutdown features to protect against overheating.
6. Compact Package: Available in a small 28-lead TSSOP package, facilitating space-constrained designs.
7. Fault Protection: Incorporates current limiting and voltage clamping to safeguard against overcurrent conditions.
These features make the LTC4282AUH#TRPBF suitable for applications in network devices, IP cameras, and other PoE-enabled systems.
1. Power Management: Supports IEEE 802.3af/at/bt standards, enabling PoE applications for both standard and high-power devices.
2. Integrated MOSFET Drivers: Built-in high-side and low-side MOSFET drivers reduce external component count and enhance efficiency.
3. Wide Input Voltage Range: Operates from 37V to 57V, accommodating various PoE configurations.
4. Programmable Power: Adjustable power delivery allows for flexible design implementations.
5. Thermal Protection: Includes thermal shutdown features to protect against overheating.
6. Compact Package: Available in a small 28-lead TSSOP package, facilitating space-constrained designs.
7. Fault Protection: Incorporates current limiting and voltage clamping to safeguard against overcurrent conditions.
These features make the LTC4282AUH#TRPBF suitable for applications in network devices, IP cameras, and other PoE-enabled systems.
Pinout
The LTC4282AUH#TRPBF is a Power over Ethernet (PoE) controller from Analog Devices. It has a total of 28 pins. The primary functions of this device include managing power delivery over Ethernet, detecting powered devices (PD), negotiating power requirements, and providing isolation and protection for both the Power Sourcing Equipment (PSE) and the PD.
Key functions of specific pins include:
1. Detection Pins: For identifying PDs.
2. Classification Pins: To determine power classes of connected devices.
3. Power Management: Controls the output power for efficient delivery.
4. Communication Interface: Manages communications between PSE and PD.
5. Protection Features: Ensures safe operation and prevents damage to the system.
The LTC4282 is designed for high-efficiency and reliable PoE applications, making it suitable for various networking equipment and IoT devices.
Key functions of specific pins include:
1. Detection Pins: For identifying PDs.
2. Classification Pins: To determine power classes of connected devices.
3. Power Management: Controls the output power for efficient delivery.
4. Communication Interface: Manages communications between PSE and PD.
5. Protection Features: Ensures safe operation and prevents damage to the system.
The LTC4282 is designed for high-efficiency and reliable PoE applications, making it suitable for various networking equipment and IoT devices.
Manufacturer
The LTC4282AUH#TRPBF is manufactured by Analog Devices, Inc. (ADI), a prominent global company known for its expertise in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices specializes in providing solutions for various industries including automotive, communications, healthcare, industrial automation, and consumer electronics.
The LTC4282AUH#TRPBF is specifically a hot-swap controller designed for power management applications, enabling systems to add or remove boards from a live system without causing disruption or damage. Analog Devices is recognized for its innovation and cutting-edge technology, consistently delivering products that enhance performance and efficiency in electronic systems. The company is committed to advancing the fields of signal processing and analog technology, making it a key player in the semiconductor industry.
The LTC4282AUH#TRPBF is specifically a hot-swap controller designed for power management applications, enabling systems to add or remove boards from a live system without causing disruption or damage. Analog Devices is recognized for its innovation and cutting-edge technology, consistently delivering products that enhance performance and efficiency in electronic systems. The company is committed to advancing the fields of signal processing and analog technology, making it a key player in the semiconductor industry.
Application
The LTC4282AUH#TRPBF is primarily used in Power over Ethernet (PoE) applications, enabling the delivery of power and data over Ethernet cables. Its key application areas include IP cameras, wireless access points, VoIP phones, and network switches. Additionally, it supports PoE power management for remote powering, facilitating device monitoring and control. The chip is suitable for industrial automation, smart buildings, and other IoT devices requiring reliable power delivery alongside data transmission.
Package
The LTC4282AUH#TRPBF is packaged in a 28-lead HTQFN (Thin Quad Flat No-Lead) package type. This surface-mount package is designed for efficient thermal performance and is suitable for compact applications.
