3相场效应晶体管预驱动器

MC34937 正常供应

滚动图片以放大

恩智浦®MC34937A是一款场效应晶体管(FET)预驱动器，专为3相电机控制和类似应用而设计。

  • 该集成电路(IC)采用SMARTMOS®技术
  • 该IC包含3个高边FET预驱动器和3个低边FET预驱动器
  • 3个外部自举电容可为高边FET提供栅极电荷
  • 该IC通过6个直接输入控制信号、1个用于器件设置和故障检测的SPI端口、1个异步复位、1个中断信号和两个使能信号与MCU相连接
  • 可接受5 V和3 V逻辑电平输入，并提供5 V的逻辑电平输出

框图

恩智浦MC34937内部框图

NXP MC34937 Internal Block Diagram
获取框图PDF

特性

系统特性

  • 工作电压范围广：6至58V
  • 可通过SPI端口设置较宽的死区时间范围(50ns至12μs)
  • 外部FET栅极驱动能力大于1.0A，具有保护功能
  • 电荷泵能够确保以较低的电源电压提供足够的外部FET驱动
  • 保护设备，防止来自外部FET CGD和CGS的反向电荷注入
  • 内置过流、欠流和相位故障检测功能
  • 可耐受栅极驱动器上的正、负瞬态峰值电压
  • 死区时间控制中内置电流击穿保护
  • 支持3.3V和5V逻辑电平直接接入MCU
  • 集成的电流传感放大器
  • 通过SPI进行设备配置和诊断
  • 并行SPI接口和输入控制
  • 负载电流（IL）1A（典型值）
  • 6个通道
  • 漏源导通电阻：0，5500 mOhm RDS(ON)（典型值）

购买/参数

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N true 0 PSPMC34937zh 4 应用笔记 Application Note t789 2 数据手册 Data Sheet t520 1 选型指南 Selector Guide t528 1 zh 2 1 3.0 English This application note provides guidelines for handling and assembly of SOIC package during Printed Circuit Board (PCB) assembly. 10jsBvfc PSP 3.5 MB None None documents None 10jsBvfc /docs/en/application-note/AN2409.pdf 3536520 /docs/en/application-note/AN2409.pdf AN2409 N N 2016-10-31 AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note /docs/en/application-note/AN2409.pdf /docs/en/application-note/AN2409.pdf Application Note N Y 645036621402383989 2024-01-19 pdf N en Oct 21, 2014 Application Note t789 应用笔记 Application Note Y N AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note 2 4.0 English The 34937A is a field effect transistor (FET) pre-drivers designed for three phase motor control and similar applications. The integrated circuit (IC) uses SMARTMOS<sup>&#174;</sup> technology. 1373908278614705534655 PSP 1.2 MB None None documents None 1373908278614705534655 /docs/en/data-sheet/MC34937.pdf 1233624 /docs/en/data-sheet/MC34937.pdf MC34937 N N 2019-05-01 MC34937, Three Phase Field Effect Transistor Pre-driver - Data Sheet /docs/en/data-sheet/MC34937.pdf /docs/en/data-sheet/MC34937.pdf Data Sheet N Y 980000996212993340 2022-12-07 pdf N en Apr 30, 2019 Data Sheet t520 数据手册 Data Sheet Y N MC34937, Three Phase Field Effect Transistor Pre-driver - Data Sheet false zh zh 应用笔记 Application Note 1 3 1.0 English The MC33781 and MC33784 together constitute NXP Semiconductors's implementation of the Distributed System Interface (DSI) Bus Standard, Version 2.02. 1225311007711718167766 PSP 1.0 MB None None documents None 1225311007711718167766 /docs/en/application-note/AN3670.pdf 1013814 /docs/en/application-note/AN3670.pdf AN3670 documents N N 2016-10-31 AN3670, Implementing a DSI Network Using the MC33781 and the MC33784 /docs/en/application-note/AN3670.pdf /docs/en/application-note/AN3670.pdf Application Note N 645036621402383989 2024-01-19 pdf N en Oct 29, 2008 645036621402383989 Application Note Y N AN3670, Implementing a DSI Network Using the MC33781 and the MC33784 选型指南 Selector Guide 1 4 13 English For system designers that want more efficient motor operation with variable speed and sensorless control, NXP offers H-Bridge, brushed and brushless DC motor drivers required to complete system design. 1440175950835712338186 PSP 197.6 KB None None documents None 1440175950835712338186 /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf 197574 /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf MOTORDRIVERFLYR documents N N 2016-10-31 Motor Driver – Selector Guide /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf Selector Guide N 553557935274807777 2024-08-11 pdf N en Feb 4, 2021 553557935274807777 Selector Guide Y N Motor Driver – Selector Guide false 0 MC34937 downloads zh-Hans true 1 Y PSP Y Y 应用笔记 2 /docs/en/application-note/AN3670.pdf 2016-10-31 1225311007711718167766 PSP 3 Oct 29, 2008 Application Note The MC33781 and MC33784 together constitute NXP Semiconductors's implementation of the Distributed System Interface (DSI) Bus Standard, Version 2.02. None /docs/en/application-note/AN3670.pdf English documents 1013814 None 645036621402383989 2024-01-19 N /docs/en/application-note/AN3670.pdf AN3670, Implementing a DSI Network Using the MC33781 and the MC33784 /docs/en/application-note/AN3670.pdf documents 645036621402383989 Application Note N en None Y pdf 1.0 N N AN3670, Implementing a DSI Network Using the MC33781 and the MC33784 1.0 MB AN3670 N 1225311007711718167766 /docs/en/application-note/AN2409.pdf 2016-10-31 10jsBvfc PSP 1 Oct 21, 2014 Application Note 应用笔记 This application note provides guidelines for handling and assembly of SOIC package during Printed Circuit Board (PCB) assembly. None /docs/en/application-note/AN2409.pdf English 3536520 None Application Note 2024-01-19 N /docs/en/application-note/AN2409.pdf AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note /docs/en/application-note/AN2409.pdf documents 645036621402383989 Application Note N Y en None Y t789 pdf 3.0 N N AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note 3.5 MB AN2409 N 10jsBvfc 数据手册 1 /docs/en/data-sheet/MC34937.pdf 2019-05-01 1373908278614705534655 PSP 2 Apr 30, 2019 Data Sheet 数据手册 The 34937A is a field effect transistor (FET) pre-drivers designed for three phase motor control and similar applications. The integrated circuit (IC) uses SMARTMOS<sup>&#174;</sup> technology. None /docs/en/data-sheet/MC34937.pdf English 1233624 None Data Sheet 2022-12-07 N /docs/en/data-sheet/MC34937.pdf MC34937, Three Phase Field Effect Transistor Pre-driver - Data Sheet /docs/en/data-sheet/MC34937.pdf documents 980000996212993340 Data Sheet N Y en None Y t520 pdf 4.0 N N MC34937, Three Phase Field Effect Transistor Pre-driver - Data Sheet 1.2 MB MC34937 N 1373908278614705534655 选型指南 1 /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf 2016-10-31 1440175950835712338186 PSP 4 Feb 4, 2021 Selector Guide For system designers that want more efficient motor operation with variable speed and sensorless control, NXP offers H-Bridge, brushed and brushless DC motor drivers required to complete system design. None /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf English documents 197574 None 553557935274807777 2024-08-11 N /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf Motor Driver – Selector Guide /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf documents 553557935274807777 Selector Guide N en None Y pdf 13 N N Motor Driver – Selector Guide 197.6 KB MOTORDRIVERFLYR N 1440175950835712338186 true Y Products

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