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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：
应用笔记
设计指南
技术文档
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
MAX14914EVKIT Evaluation Kit for the MAX14914/MAX14914A/MAX14914B
The MAX14914 evaluation kit (EV kit) provides a proven design to evaluate the MAX14914/MAX14914A...
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
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
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
MAX14922EVKIT Evaluation Kit for the MAX14922
The MAX14922 evaluation kit (EV kit) provides a proven design to evaluate the MAX14922 industria...
MAX14922 High-Side Switch Controller with Current Limiting
The MAX14922 is a high-side, n-channel FET controller for implementing industrial high-side swit...
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
MAX14917 Industrial Octal High-Side Switch
The MAX14917 has eight high-side switches specified to deliver up to 700mA (min) continuous curr...
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
MAX14914EVKIT Evaluation Kit for the MAX14914/MAX14914A/MAX14914B
The MAX14914 evaluation kit (EV kit) provides a proven design to evaluate the MAX14914/MAX14914A...
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
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
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
MAX14922EVKIT Evaluation Kit for the MAX14922
The MAX14922 evaluation kit (EV kit) provides a proven design to evaluate the MAX14922 industria...
MAX14922 High-Side Switch Controller with Current Limiting
The MAX14922 is a high-side, n-channel FET controller for implementing industrial high-side swit...
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
MAX14917 Industrial Octal High-Side Switch
The MAX14917 has eight high-side switches specified to deliver up to 700mA (min) continuous curr...
参考设计
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。
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。
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。
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。
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