Overview
The NCP45770IMN24TWG is a load management device produced by ON Semiconductor, designed to provide an efficient and area-reducing solution for power domain switching. This device integrates control and driver functionality with a high-performance ultra-low on-resistance power MOSFET in a single package. It is ideal for power management and disconnect functions in applications such as USB Type-C ports and other power management scenarios requiring low power consumption and a small footprint.
Key Specifications
| Parameter | Conditions | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Driver Supply Voltage (VCC) | - | VCC | 3.0 | - | 5.5 | V |
| Input Voltage Range (VIN) | - | VIN | 3 | - | 24 | V |
| Ambient Temperature | - | TA | -40 | - | 85 | °C |
| Junction Temperature | - | TJ | -40 | - | 125 | °C |
| On-Resistance (RON) | VCC = 4.5 V; VIN = 3 V | RON | 3.6 | 4.2 | 4.2 | mΩ |
| Output Slew Rate - Default | VCC = 4.5 V; VIN = 3 V | SR | 13 | 20.3 | 28 | V/ms |
| Output Turn-on Delay | VCC = 4.5 V; VIN = 3 V | TON | 100 | 162 | 700 | μs |
| Output Turn-off Delay | VCC = 4.5 V; VIN = 3 V | TOFF | - | - | - | μs |
Key Features
- Advanced Controller with Charge Pump: Enhances the device's control capabilities.
- Integrated N-Channel MOSFET with Ultra-Low RON: Provides high performance and low on-resistance.
- Soft-Start via Controlled Slew Rate: Reduces inrush current and ensures smooth startup.
- Adjustable Slew Rate Control: Allows for customization of the slew rate using an external capacitor.
- Fault Detection with Power Good Output: Indicates when the MOSFET is fully charged.
- Thermal Shutdown and Under Voltage Lockout: Ensures device protection against thermal and voltage anomalies.
- Short-Circuit and Adjustable Over-Current Protections: Provides robust protection against over-current conditions.
- Extremely Low Standby Current: Minimizes power consumption when the device is in standby mode.
- Pb-free, RoHS/REACH Compliant: Meets environmental and safety standards.
Applications
The NCP45770IMN24TWG is suitable for various power management applications, including:
- USB Type-C Ports: Ideal for power management and disconnect functions in USB Type-C ports.
- Automotive Applications: Supports load current requirements in automotive systems, such as battery protection systems.
- General Power Management: Used in applications requiring low power consumption and a small footprint.
Q & A
- What is the input voltage range of the NCP45770IMN24TWG?
The input voltage range is from 3 V to 24 V.
- What is the typical on-resistance of the NCP45770IMN24TWG?
The typical on-resistance (RON) is 4.2 mΩ.
- How is the slew rate controlled in the NCP45770IMN24TWG?
The slew rate can be adjusted using an external capacitor connected to the SR pin.
- What kind of fault protections does the NCP45770IMN24TWG offer?
The device offers thermal shutdown, under voltage lockout, short-circuit protection, and adjustable over-current protection.
- Is the NCP45770IMN24TWG RoHS/REACH compliant?
- What is the maximum ambient temperature for the NCP45770IMN24TWG?
The maximum ambient temperature is 85°C.
- How is the power good signal indicated in the NCP45770IMN24TWG?
The power good signal is indicated through an active-high, open-drain output (PG pin) that requires an external pull-up resistor.
- What is the typical output turn-on delay of the NCP45770IMN24TWG?
The typical output turn-on delay is 162 μs.
- Can the over-current protection trip point be adjusted in the NCP45770IMN24TWG?
- What is the package type of the NCP45770IMN24TWG?
The device is packaged in a surface-mount DFN12 package.
