Overview
The NCP45750IMN24TWG, part of the ecoSWITCH™ series by onsemi, is a load management device designed to provide an efficient and area-reducing solution for power domain switching. This device integrates advanced control functionality with a high-performance, ultra-low on-resistance N-channel MOSFET in a single package. It features soft-start via controlled slew rate, fault detection with power-good signaling, and various protection mechanisms such as thermal shutdown, under-voltage lockout, short-circuit protection, and adjustable over-current protection. This cost-effective solution is ideal for applications requiring low power consumption and a small footprint, making it suitable for power management and hot-swap applications in various industries.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Range | VIN | 3 | 24 | V | |
| On-Resistance | RON | 5.9 | 7.0 | mΩ | |
| Maximum Steady State Current | IMAX | 10 | A | ||
| Supply Standby Current | ISTBY | 2.0 | 5.0 | μA | |
| Thermal Shutdown Threshold | TSDT | 145 | °C | ||
| Under Voltage Lockout Threshold | VUVLO | 2.0 | 2.1 | V | |
| Over-Current Protection Trip | ITRIP | 0.85 | 1.2 | 1.65 | A |
| Output Slew Rate (Default) | SR | 13 | 20.3 | 28 | kV/s |
| Ambient Temperature Range | TA | -40 | 85 | °C |
Key Features
- Advanced Controller with Charge Pump: Enhances the device's control capabilities.
- Integrated N-Channel MOSFET with Very-Low RON: Ultra-low on-resistance for efficient power switching.
- Soft-Start via Controlled Slew Rate: Limits inrush current and enables hot-swapping applications.
- Adjustable Slew Rate Control: Allows customization of the slew rate using an external capacitor.
- Fault Detection with Power Good Output: Provides power good signaling for system monitoring.
- Thermal Shutdown and Under Voltage Lockout: Protects the device from excessive temperatures and low input voltages.
- Short-Circuit and Adjustable Over-Current Protections: Safeguards against high current events.
- Extremely Low Standby Current: Minimizes power consumption in standby mode.
- Rohs/REACH Compliant: Ensures environmental compliance.
Applications
- USB Type-C Power Delivery: Ideal for managing power in USB-C ports.
- Servers, Set-Top Boxes, and Gateways: Suitable for power management in server and networking equipment.
- Notebook and Tablet Computers: Used in portable electronics for efficient power management.
- Telecom, Networking, Medical, and Industrial Equipment: Applicable in various industrial and medical devices.
- Hot-Swap Devices and Peripheral Ports: Enables safe hot-swapping of devices.
Q & A
- What is the input voltage range of the NCP45750IMN24TWG?
The input voltage range is from 3 V to 24 V. - What is the typical on-resistance of the NCP45750IMN24TWG?
The typical on-resistance is 5.9 mΩ to 7.0 mΩ. - What is the maximum steady state current the device can handle?
The maximum steady state current is 10 A. - How does the device protect against thermal issues?
The device features thermal shutdown that turns off the MOSFET when the junction temperature exceeds 145°C. - What is the purpose of the power good output?
The power good output indicates when the gate of the MOSFET is fully charged and can be used for power sequencing in the system. - How can the slew rate be adjusted?
The slew rate can be adjusted by adding an external capacitor between the SR pin and ground. - What types of fault protections does the device offer?
The device offers over-current protection, short-circuit protection, thermal shutdown, and under-voltage lockout. - Is the device RoHS/REACH compliant?
Yes, the device is RoHS/REACH compliant. - What is the typical standby current of the device?
The typical standby current is 2.0 μA to 5.0 μA. - What are some common applications for the NCP45750IMN24TWG?
Common applications include USB Type-C power delivery, servers, set-top boxes, notebook and tablet computers, telecom and networking equipment, and medical and industrial devices.
