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MOSFET驱动器IC一般采用桥式配置，用于驱动外部MOSFET，广泛用于电源和电机驱动应用。MOSFET驱动器满足电桥的定时要求，保证同一时刻只有一个MOSFET导通。

“或”操作MOSFET控制器驱动大功率MOSFET，代替“或”配置二极管，适用于高可靠性、冗余、并行控制电源。与“或”配置肖特基二极管相比，MOSFET具有极低的导通电阻，所以功耗较低、尺寸更小，在大功率应用中无需散热器。“或”逻辑配置MOSFET控制器提供驱动电源MOSFET必须的控制逻辑。

MOSFET驱动器可广泛用于从电机驱动器和负载开关到开关电源的各种应用。单路和双路驱动器，再加上副边同步驱动器，可有效提高隔离设计的效率。提供评估板，用于快速创建原型和设计验证。业界领先的特性包括：

MOSFET驱动器

全桥/半桥MOSFET驱动器

“或”操作MOSFET控制器

应用笔记

 如何设计带有副边同步整流的无光耦反激转换器

 数字电源方案优化基站操作

 检测隔离数字状态且无需功耗

 巧用示波器的计算功能分析热插拔电路

设计指南

 电信系统的热插拔设计： 避免拼凑、支持高效设计

 电源工程师指南：大功率电源中MOSFET功耗的计算

技术文档

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Technical Documentation

技术文档

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器件号 标题 文件类型 日期
How to Safely Demagnetize Your Inductor When Using Switching Inductive Loads

October 03, 2019

Watch this video to understand how SafeDemag safely and quickly demagnetizes your inductor when using switching inductive loads.

An Ideal Diode Can Be an Engineer’s Best Friend

November 01, 2018

Guest blogger Jim Harrison takes a look at key applications for ideal diodes and explores how they can benefit various designs.

特色产品

MAX15492 单相同步MOSFET驱动器，具有超低功耗待机

MAX15492是一款同步半桥驱动器，具有超低功耗模式。该器件与控制器IC如MAX15411、MAX15566/MAX15567或MAX15576/MAX15577一起工作，用于多相CPU核稳...
  • 超低功耗模式，4µA电源电流
  • 低边导通电阻：0.7Ω
  • 高边导通电阻：1.5Ω
  • 传输延迟：12ns
  • 最小保证死区时间：7ns
  • 集成升压开关
  • 2V至24V 输入电压范围
  • 4.2V至5.5V偏置电压范围
  • 可选择跳脉冲模式
  • 小型、2mm × 2mm TDFN封装
可打印的数据手册
了解详情。
MAX14914EVKIT Evaluation Kit for the <a href="/en/products/MAX14914">MAX14914</a>/<a href="/en/products/MAX14914A">MAX14914A</a>/<a href="/en/products/MAX14914B">MAX14914B</a>

MAX14914EVKIT Evaluation Kit for the MAX14914/MAX14914A/MAX14914B

The MAX14914 evaluation kit (EV kit) provides a proven design to evaluate the MAX14914/MAX14914A...
可打印的数据手册
了解详情。
MAX14914 High-Side Switch with Settable Current-Limiting, Push-Pull Driver Option, and Digital Input Configuration

MAX14914 High-Side Switch with Settable Current-Limiting, Push-Pull Driver Option, and Digital Input Configuration

The MAX14914 is a high-side/push-pull driver that operates as both an industrial digital output ...
  • Reduces Power and Heat Dissipation
    • 240mΩ (max) HS RON at TA = 125°C
    • Accurate Short-Circuit Current Limit
    • Accurate Internal Current Limiter for Types 1, Type 2, and Type 3 Digital Inputs
  • Enhances System Robustness
    • “Safe-Demagnetization” for Safe Turn-Off of Unlimited Inductance
    • 60V Supply Tolerance
    • Loss of GND Protection
    • Thermal Shutdown Protection
    • ±2kV IEC 61000-4-5 Surge Protection
    • ±20kV IEC 61000-4-2 Air-Gap ESD Protection
    • ±7kV IEC 61000-4-2 Contact ESD Protection
    • -40°C to +125°C Ambient Operating Temperature
  • Reduces BOM Count and PCB Space
    • Small 4x4 TQFN Package
    • Internal Clamps for Fast Inductive Load Turn-Off
    • On-Chip 5V Regulator
  • Provides Flexibility
    • Configurable as a Digital Input or a High-Side or Push-Pull Digital Output
    • Resistor Settable Current Limiting for the High-Side Switch (135mA - 1.3A)
    • 10V to 40V Operating Supply Range
  • Improves System Speed and Throughput
    • Propagation Delay of Less Than 2µSec
可打印的数据手册 评估套件
了解详情。
MAX14914A High-Side Switch with Settable Current-Limiting, Push-Pull Driver Option, and Digital Input Configuration

MAX14914A High-Side Switch with Settable Current-Limiting, Push-Pull Driver Option, and Digital Input Configuration

The MAX14914 is a high-side/push-pull driver that operates as both an industrial digital output ...
  • Reduces Power and Heat Dissipation
    • 240mΩ (max) HS RON at TA = 125°C
    • Accurate Short-Circuit Current Limit
    • Accurate Internal Current Limiter for Types 1, Type 2, and Type 3 Digital Inputs
  • Enhances System Robustness
    • “Safe-Demagnetization” for Safe Turn-Off of Unlimited Inductance
    • 60V Supply Tolerance
    • Loss of GND Protection
    • Thermal Shutdown Protection
    • ±2kV IEC 61000-4-5 Surge Protection
    • ±20kV IEC 61000-4-2 Air-Gap ESD Protection
    • ±7kV IEC 61000-4-2 Contact ESD Protection
    • -40°C to +125°C Ambient Operating Temperature
  • Reduces BOM Count and PCB Space
    • Small 4x4 TQFN Package
    • Internal Clamps for Fast Inductive Load Turn-Off
    • On-Chip 5V Regulator
  • Provides Flexibility
    • Configurable as a Digital Input or a High-Side or Push-Pull Digital Output
    • Resistor Settable Current Limiting for the High-Side Switch (135mA - 1.3A)
    • 10V to 40V Operating Supply Range
  • Improves System Speed and Throughput
    • Propagation Delay of Less Than 2µSec
可打印的数据手册 评估套件
了解详情。
MAX14914B High-Side Switch with Settable Current-Limiting, Push-Pull Driver Option, and Digital Input Configuration

MAX14914B High-Side Switch with Settable Current-Limiting, Push-Pull Driver Option, and Digital Input Configuration

The MAX14914 is a high-side/push-pull driver that operates as both an industrial digital output ...
  • Reduces Power and Heat Dissipation
    • 240mΩ (max) HS RON at TA = 125°C
    • Accurate Short-Circuit Current Limit
    • Accurate Internal Current Limiter for Types 1, Type 2, and Type 3 Digital Inputs
  • Enhances System Robustness
    • “Safe-Demagnetization” for Safe Turn-Off of Unlimited Inductance
    • 60V Supply Tolerance
    • Loss of GND Protection
    • Thermal Shutdown Protection
    • ±2kV IEC 61000-4-5 Surge Protection
    • ±20kV IEC 61000-4-2 Air-Gap ESD Protection
    • ±7kV IEC 61000-4-2 Contact ESD Protection
    • -40°C to +125°C Ambient Operating Temperature
  • Reduces BOM Count and PCB Space
    • Small 4x4 TQFN Package
    • Internal Clamps for Fast Inductive Load Turn-Off
    • On-Chip 5V Regulator
  • Provides Flexibility
    • Configurable as a Digital Input or a High-Side or Push-Pull Digital Output
    • Resistor Settable Current Limiting for the High-Side Switch (135mA - 1.3A)
    • 10V to 40V Operating Supply Range
  • Improves System Speed and Throughput
    • Propagation Delay of Less Than 2µSec
可打印的数据手册 评估套件
了解详情。

MAX14922EVKIT Evaluation Kit for the MAX14922

The MAX14922 evaluation kit (EV kit) provides a proven design to evaluate the MAX14922 industria...
可打印的数据手册
了解详情。

MAX14922 High-Side Switch Controller with Current Limiting

The MAX14922 is a high-side, n-channel FET controller for implementing industrial high-side swit...
可打印的数据手册 评估套件
了解详情。

MAX5079EVKIT MAX5079评估板

MAX5079评估板(EV kit)用于演示并联电源系统中MAX5079 “或” MOSFET控制器的功能。该评估板采用“或” MOSFET并联连接两个电源，可模拟故障状态，并演示故障状态下电...
  • 为3V至13.2V电源总线提供N+1冗余系统电源功能(重新配置电路可工作于1V电压)
  • 消除了“或”二极管功耗
  • 可调的反向电压检测门限
  • 可调的欠压门限(配置为3.0V)
  • 可调的过压门限(配置为13.2V)
  • OVP_ 和PGOOD_状态指示
  • 支持高达20A的负载电流
  • 模拟输入端的严重故障状态
  • 完全装配且经过测试
可打印的数据手册
了解详情。
MAX14917 Industrial Octal High-Side Switch

MAX14917 Industrial Octal High-Side Switch

The MAX14917 has eight high-side switches specified to deliver up to 700mA (min) continuous curr...
可打印的数据手册 评估套件
了解详情。
Product Image

MAX17600

快速切换时间、短传输延迟，高频电路的理想选择。
Product Image

MAX17606

4.5V至36V输入、高电流驱动器提高效率和热管理性能。
Product Image

MAX5048C

支持逻辑输入信号，驱动较大外部MOSFET，高频开关的理想选择。

参考设计

Product Image

MAXREFDES120

小尺寸24V输入模块，带有副边同步MOSFET驱动器，输出为5V @ 2.5A。
Product Image

MAXREFDES119

小尺寸24V输入模块，带有副边同步MOSFET驱动器，输出为5V @ 1.8A。