Overview
The NCP1093MNRG is part of ON Semiconductor’s Power over Ethernet (PoE) Powered Device (PoE-PD) product family, integrating an IEEE 802.3at certified interface controller. This component is designed to support the necessary functions for PoE applications, including detection, classification, under voltage lockout, inrush, and operational current limits. The NCP1093MNRG is fabricated in a robust high voltage process and features a rugged vertical N-channel DMOS, making it suitable for demanding environments and capable of withstanding harsh conditions such as hot swap and cable ESD events.
Key Specifications
| Parameter | Typical Value | Min Value | Max Value |
|---|---|---|---|
| Operating Temperature Range | - | -40°C | 85°C |
| Junction Temperature | - | - | 125°C |
| Inrush Current Limit | 120 mA | - | - |
| Operational Current Limit | 680 mA | - | - |
| Pass Switch Rds-on | 0.6 Ω | - | 1 Ω |
| UVLO Turn On Voltage (Internal) | 37 V | 29.6 V | 40 V |
| UVLO Turn Off Voltage (Internal) | 31 V | 29.6 V | 31 V |
| UVLO External Programming Range | - | 25 V | 50 V |
| Package Type | DFN10 (3x3) | - | - |
Key Features
- Fully supports IEEE 802.3af/at specifications, allowing for up to 30W of power.
- Programmable classification current and adjustable under voltage lockout (UVLO) for the NCP1093.
- Support for dual event classification and an open-drain power good indicator.
- Inrush and operational current limits to protect against excessive transient currents.
- Over-temperature protection with thermal shutdown.
- Rugged vertical N-channel DMOS pass-switch for robustness and high voltage handling.
- Auxiliary supply support through an AUX input pin on the NCP1094.
- Pb-free, halogen-free/BFR-free, and RoHS compliant.
Applications
The NCP1093MNRG is designed for use in various industrial and security applications, including:
- Industrial devices requiring high power PoE solutions.
- Security systems such as IP cameras and access control devices.
- Combination with stepper motor drivers, CAN bus drivers, and other high-voltage interfacing devices.
- Applications in non-PoE enabled networks with auxiliary supply support.
Q & A
- What is the NCP1093MNRG used for?
The NCP1093MNRG is used as a Power over Ethernet (PoE) Powered Device (PoE-PD) interface controller, supporting IEEE 802.3af/at specifications.
- What are the key specifications of the NCP1093MNRG?
Key specifications include an operating temperature range of -40°C to 85°C, inrush current limit of 120 mA, and operational current limit of 680 mA.
- Does the NCP1093MNRG support adjustable under voltage lockout (UVLO)?
- What is the purpose of the AUX input pin on the NCP1094?
The AUX input pin allows the device to draw power from an external supply and prioritizes the auxiliary supply over the PoE supply.
- Is the NCP1093MNRG RoHS compliant?
- What type of package does the NCP1093MNRG come in?
The NCP1093MNRG comes in a DFN10 (3x3) package.
- What is the maximum junction temperature for the NCP1093MNRG?
The maximum junction temperature is 125°C.
- Does the NCP1093MNRG have over-temperature protection?
- Can the NCP1093MNRG be used in harsh environments?
- What is the power good indicator used for?
The power good indicator signals the end of the DC-DC converter input capacitor charge and the enabling of the operational current limit.
