NCP81155MNTXG

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NCP81155MNTXG

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IC GATE DRVR HALF-BRIDGE 8DFN

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仕様

属性
Part Status Active
Digi Key Programmable Not Verified
Driven Configuration Half-Bridge
Channel Type Synchronous
Number of Drivers 2
Gate Type MOSFET (N-Channel)
Voltage - Supply 4.5V ~ 13.2V
Logic Voltage - VIL, VIH 1V, 2V
Input Type Non-Inverting
Rise / Fall Time (Typ) 16ns, 11ns
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 8-VFDFN Exposed Pad
Supplier Device Package 8-DFN (3x3)
Base Product Number NCP81155

概要

Description

The NCP81155MNTXG is a high-performance dual-channel gate driver designed for MOSFETs in applications such as power supplies and motor drives. It features a fast rise and fall time, which enhances the efficiency of switching operations. The device operates with a supply voltage range of 4.5V to 10V, making it suitable for various low-voltage applications.
Key features include independent high and low side gate outputs, integrated dead-time control to prevent shoot-through, and an adjustable drive strength. The NCP81155MNTXG also includes protection features, such as under-voltage lockout (UVLO) and thermal shutdown, ensuring reliability and safety in operation.
Its compact 10-pin MSOP package allows for space-efficient designs, making it ideal for applications where PCB real estate is a concern. Overall, the NCP81155MNTXG enhances system performance by optimizing the control of power MOSFETs, leading to improved efficiency and reduced thermal stress in power conversion systems.

Equivalent

The NCP81155MNTXG is a high-performance gate driver for MOSFETs. Equivalent products include the Texas Instruments UCC27531, Infineon IR2110, and Microchip MCP14A. These chips share similar functionalities in driving high-speed MOSFETs and provide features like high voltage tolerance and low propagation delay. Always check specific datasheets for detailed compatibility and performance characteristics.

Features

The NCP81155MNTXG is a high-performance power management IC designed for efficient MOSFET driver applications. Key features include:
1. Dual High-Side and Low-Side Drivers: It features two independent high-side and low-side drivers, enabling efficient control of power stages in applications like DC-DC converters.
2. Wide Voltage Range: It operates across a wide input voltage range, making it suitable for various applications, including automotive and industrial systems.
3. Fast Switching Speed: The drivers are optimized for high-speed switching, reducing transition losses and improving overall system efficiency.
4. Cross-Conduction Protection: Integrated protection mechanisms help prevent shoot-through during operation, enhancing reliability.
5. Adjustable Dead Time: The dead time can be configured to optimize switching performance based on the specific application requirements.
6. Compact Package: Offered in a compact QFN package, it minimizes PCB space while ensuring effective thermal management.
These features make the NCP81155MNTXG ideal for use in power supply designs, motor control, and other high-efficiency applications.

Pinout

The NCP81155MNTXG is a dual-channel high-side MOSFET driver with a total pin count of 10. Its primary functions include driving N-channel MOSFETs for power conversion applications, supporting synchronous buck converters, and providing a robust drive capability necessary for efficient operation in power management systems.
Key pins include:
- IN: Input control signal to activate the drivers.
- SW: Source pin for the high-side MOSFET.
- BOOT: Bootstrap capacitor connection for gate drive voltage.
- GATE: Output gate driver for MOSFET control.
- GND: Ground reference.
- VDD: Supply voltage pin for the driver circuitry.
The device is designed for high efficiency, allowing rapid switching and reduced power losses, making it ideal for applications such as power supplies, graphic cards, and computing systems.

Manufacturer

The NCP81155MNTXG is manufactured by ON Semiconductor, a global semiconductor company. ON Semiconductor specializes in designing and manufacturing a wide range of semiconductor components, including power management, analog, and logic devices, as well as sensors and discrete devices. The company serves various industries, such as automotive, industrial, communications, consumer electronics, and computing. ON Semiconductor focuses on providing energy-efficient solutions and innovative technologies to help customers meet their specific application needs while addressing the growing demand for sustainable and reliable electronic components.

Application

The NCP81155MNTXG is a dual-channel, high-performance power management IC primarily used in applications requiring efficient load management and power distribution. Key application areas include:
1. Consumer Electronics: Smartphones, tablets, and laptops for battery management and power path control.
2. Data Centers: Server power supply management to optimize efficiency and thermal performance.
3. Telecommunications: Base stations and networking equipment for reliable power delivery.
4. Industrial Automation: Robotics and control systems needing precise power regulation.
5. Automotive: Infotainment and battery management systems for electric vehicles.
Its versatility makes it suitable for various power-intensive applications while ensuring efficiency and reliability.

Package

The NCP81155MNTXG is packaged in a 20-pin HTQFN (Heat-Sink Thin Quad Flat No-lead) package. This type of package is designed for efficient thermal performance and compactness, making it suitable for applications requiring power management in a small footprint.

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