Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Controller (PD), DC/DC |
| NumberofChannels | 1 |
| Power-Max | 40 W |
| InternalSwitch(s) | Both |
| AuxiliarySense | No |
| Standards | 802.3at (PoE+), 802.3af (PoE) |
| Voltage-Supply | 0V ~ 57V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 20-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Overview
Description
The NCP1081DER2G is a high-efficiency, integrated Power over Ethernet (PoE) Powered Device (PD) interface and DC-DC converter controller. It is designed to simplify the development of PoE applications, such as IP cameras, wireless access points, and VoIP phones. The device complies with the IEEE 802.3af and IEEE 802.3at standards, ensuring reliable power delivery over Ethernet cables.
Key features include:
1. Integrated Hot-Swap Switch: Facilitates smooth power transition and protection during inrush current events.
2. DC-DC Converter Controller: Supports both isolated and non-isolated topologies, offering flexibility in design.
3. High Efficiency: Offers low power dissipation for energy-efficient operation.
4. Protection Features: Includes thermal protection, under-voltage lockout (UVLO), and circuit protection to enhance reliability.
5. Compact Package: Available in a small-footprint SOIC-8 package, making it suitable for space-constrained applications.
The NCP1081DER2G thus provides a comprehensive solution for developers looking to implement PoE technology in their devices, ensuring compatibility, efficiency, and reliability.
Key features include:
1. Integrated Hot-Swap Switch: Facilitates smooth power transition and protection during inrush current events.
2. DC-DC Converter Controller: Supports both isolated and non-isolated topologies, offering flexibility in design.
3. High Efficiency: Offers low power dissipation for energy-efficient operation.
4. Protection Features: Includes thermal protection, under-voltage lockout (UVLO), and circuit protection to enhance reliability.
5. Compact Package: Available in a small-footprint SOIC-8 package, making it suitable for space-constrained applications.
The NCP1081DER2G thus provides a comprehensive solution for developers looking to implement PoE technology in their devices, ensuring compatibility, efficiency, and reliability.
Equivalent
The NCP1081DER2G is a Power over Ethernet (PoE) interface controller. Equivalent products include the Microchip PD70210, Texas Instruments TPS23754, and Silvertel AG5300. These components serve similar functions in PoE applications by managing power delivery and data transfer over Ethernet cables. When selecting an equivalent, ensure compatibility with your specific design requirements, such as voltage, output power, and additional features.
Features
The NCP1081DER2G is a Power over Ethernet (PoE) interface controller designed for applications requiring power delivery and management over Ethernet cables. Key features include:
1. PoE Capability: Compatible with IEEE 802.3af and IEEE 802.3at standards, supporting power sourcing and delivery up to 30W.
2. Integrated High-Voltage MOSFET: Reduces the need for external components, simplifying design and improving reliability.
3. Internal Soft Start: Limits inrush current during startup, enhancing the protection of connected devices.
4. Programmable Classification and Detection: Allows customization for different power levels and device requirements.
5. Protection Features: Includes overcurrent, overvoltage, and thermal protection to safeguard both the power source and connected devices.
6. Support for Auxiliary Power: Enables redundancy with auxiliary power input for uninterrupted operation.
7. Compact Package: Available in a space-saving SOIC-8 package, suitable for compact designs.
These features make the NCP1081DER2G a versatile and efficient solution for powering network devices such as IP cameras, VoIP phones, and wireless access points through Ethernet connections.
1. PoE Capability: Compatible with IEEE 802.3af and IEEE 802.3at standards, supporting power sourcing and delivery up to 30W.
2. Integrated High-Voltage MOSFET: Reduces the need for external components, simplifying design and improving reliability.
3. Internal Soft Start: Limits inrush current during startup, enhancing the protection of connected devices.
4. Programmable Classification and Detection: Allows customization for different power levels and device requirements.
5. Protection Features: Includes overcurrent, overvoltage, and thermal protection to safeguard both the power source and connected devices.
6. Support for Auxiliary Power: Enables redundancy with auxiliary power input for uninterrupted operation.
7. Compact Package: Available in a space-saving SOIC-8 package, suitable for compact designs.
These features make the NCP1081DER2G a versatile and efficient solution for powering network devices such as IP cameras, VoIP phones, and wireless access points through Ethernet connections.
Pinout
The NCP1081DER2G is a Power-over-Ethernet (PoE) Powered Device (PD) interface controller with integrated DC-DC converter. It is designed for use in applications where devices are powered through Ethernet cables. The NCP1081 is typically available in a 20-pin package, specifically a QFN (Quad Flat No-lead) type.
Key functions of the NCP1081 include:
1. PoE Interface: Manages the detection, classification, and power reception in compliance with the IEEE 802.3af standard.
2. DC-DC Converter: Inbuilt converter to step down the input voltage from the Ethernet line for use in low-voltage applications.
3. Programmable Inrush Current: Controls the inrush current during startup to prevent damage.
4. Under-Voltage Lockout (UVLO): Ensures the device operates only when the input voltage is within safe limits.
5. Current Limiting and Protection: Protects against overload conditions.
The specific pin functions include power input, ground, output for the DC-DC converter, and control signals. For detailed pin descriptions, refer to the datasheet of the NCP1081DER2G.
Key functions of the NCP1081 include:
1. PoE Interface: Manages the detection, classification, and power reception in compliance with the IEEE 802.3af standard.
2. DC-DC Converter: Inbuilt converter to step down the input voltage from the Ethernet line for use in low-voltage applications.
3. Programmable Inrush Current: Controls the inrush current during startup to prevent damage.
4. Under-Voltage Lockout (UVLO): Ensures the device operates only when the input voltage is within safe limits.
5. Current Limiting and Protection: Protects against overload conditions.
The specific pin functions include power input, ground, output for the DC-DC converter, and control signals. For detailed pin descriptions, refer to the datasheet of the NCP1081DER2G.
Manufacturer
The NCP1081DER2G is manufactured by ON Semiconductor, which is now known as onsemi. Onsemi is a leading provider of semiconductor-based solutions, focusing on energy-efficient electronics. The company designs and manufactures a wide range of semiconductor components, including power management solutions, sensors, logic devices, and custom devices. Onsemi serves various industries such as automotive, industrial, communications, computing, and consumer electronics. The company is known for its emphasis on sustainable and energy-efficient technologies, catering to the growing demand for solutions that reduce energy consumption and enhance the performance of electronic systems.
Application
The NCP1081DER2G is a Power over Ethernet (PoE) Powered Device (PD) controller designed for applications that require power and data over a single Ethernet cable. It is commonly used in:
1. IP Cameras: Enables network cameras to receive power and data, simplifying installation.
2. VoIP Phones: Provides power and connectivity for Voice over Internet Protocol telephones.
3. Wireless Access Points: Powers devices for wireless connectivity without additional power sources.
4. IoT Devices: Supports a variety of Internet of Things applications by providing power and data capabilities.
5. Network Devices: Suitable for powering various network equipment like switches and routers.
Its integration capabilities make it ideal for modern networking and communication applications.
1. IP Cameras: Enables network cameras to receive power and data, simplifying installation.
2. VoIP Phones: Provides power and connectivity for Voice over Internet Protocol telephones.
3. Wireless Access Points: Powers devices for wireless connectivity without additional power sources.
4. IoT Devices: Supports a variety of Internet of Things applications by providing power and data capabilities.
5. Network Devices: Suitable for powering various network equipment like switches and routers.
Its integration capabilities make it ideal for modern networking and communication applications.
Package
The NCP1081DER2G is typically available in a DFN-10 package, which is a surface-mount package type known for its compact size and low profile, suitable for high-density PCB applications.
