Overview
The NCP45521IMNTWG-L is a advanced load management controlled load switch from ON Semiconductor, part of their ecoSwitch family. This device is designed to provide efficient power domain switching with integrated control functionality and low on-resistance. It is particularly suited for applications requiring low power consumption and a small footprint.
The NCP45521IMNTWG-L features an integrated N-channel MOSFET and offers various system safeguards and monitoring capabilities, including fault protection and power good signaling. It supports input voltages ranging from 0.5 V to 13.5 V and operates within an ambient temperature range of -40°C to 85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | ON Semiconductor | |
| Package | DFN-8 | |
| Input Voltage Range | 0.5 - 13.5 | V |
| Supply Voltage Range | 3.0 - 5.5 | V |
| MOSFET On-Resistance (RON) | 9.5 - 12.7 | mΩ |
| Maximum Current | 10.5 | A |
| Standby Current (Iq) | 750 | µA |
| Thermal Shutdown Threshold | 145 | °C |
| Undervoltage Lockout Threshold | 0.25 - 0.45 | V |
| Short-Circuit Protection Threshold | 200 - 350 | mV |
| Enable Pin Polarity | Active-Low | |
| Power Good Signal | No | |
| Slew Rate Control | Adjustable |
Key Features
- Advanced Controller with Charge Pump: Provides efficient power management with integrated control functionality.
- Integrated N-Channel MOSFET with Low RON: Offers ultra-low on-resistance for minimal power loss.
- Soft-Start via Controlled Slew Rate: Reduces inrush current and prevents voltage spikes during startup.
- Adjustable Slew Rate Control: Allows for customization of the turn-on and turn-off rates.
- Thermal Shutdown and Undervoltage Lockout: Provides thermal and voltage protection to ensure device reliability.
- Short-Circuit Protection: Protects against short-circuit conditions to prevent damage.
- Load Bleed (Quick Discharge): Enables rapid discharge of the load when the switch is turned off.
- Extremely Low Standby Current: Minimizes power consumption in standby mode.
Applications
- Power Management: Ideal for managing power in various electronic systems, ensuring efficient and safe power distribution.
- Hot-Swap Applications: Suitable for hot-swap scenarios where devices need to be inserted or removed without interrupting the system power.
- Power Sequencing: Can be used to control the power-up and power-down sequences in complex systems.
- Industrial and Consumer Electronics: Applicable in a wide range of industrial and consumer electronic devices requiring reliable and efficient power switching.
Q & A
- What is the input voltage range of the NCP45521IMNTWG-L?
The input voltage range is from 0.5 V to 13.5 V.
- What is the typical on-resistance (RON) of the NCP45521IMNTWG-L?
The typical on-resistance is 9.5 mΩ to 12.7 mΩ.
- Does the NCP45521IMNTWG-L have a power good signal?
No, the NCP45521IMNTWG-L does not have a power good signal.
- What is the maximum current the NCP45521IMNTWG-L can handle?
The maximum current is 10.5 A).
- Is the slew rate of the NCP45521IMNTWG-L adjustable?
Yes, the slew rate is adjustable).
- What is the thermal shutdown threshold of the NCP45521IMNTWG-L?
The thermal shutdown threshold is 145°C).
- Does the NCP45521IMNTWG-L have short-circuit protection?
Yes, it has short-circuit protection).
- What is the standby current of the NCP45521IMNTWG-L?
The standby current is 750 µA).
- What is the package type of the NCP45521IMNTWG-L?
The package type is DFN-8).
- Is the enable pin of the NCP45521IMNTWG-L active-high or active-low?
The enable pin is active-low).
