MC33972_带抑制唤醒功能的MSDI | NXP 半导体

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带抑制唤醒功能的MSDI

MC33972
正常供应

滚动图片以放大

恩智浦MC33972多开关检测接口具有抑制唤醒功能，可检测多达22个开关触点的关闭和开启。

  • 开关状态(开启或关闭)会传输至MCU
  • 该器件还具备一个22对1模拟复用器，可将输入读取为模拟值。模拟输入信号经过缓冲，并且在AMUX输出引脚上提供以供MCU读取
  • 两种工作模式：
    • 正常模式：允许对器件进行编程，在监测开关状态变化时，为开关触点提供上拉或下拉电流。
    • 睡眠模式：提供低静态电流，使MC33972适用于需要低睡眠状态电流的汽车和工业控制产品

框图

恩智浦MC33972电源启动

NXP MC33972 Power Actuation Block Diagram
获取框图PDF

特性

主要特性

  • 使用3.3V/5.0V SPI协议可直接与微处理器连接
  • 可选择状态更改的唤醒功能
  • 8个可编程输入(电池开关或接地开关)
  • 14个开关接地输入
  • 开关状态更改时主动中断(INT)
  • 开关电压范围-14–VPWR
  • 工作电压5.5V–26V(VPWR)
  • 动力控制、信号调适和开关监测器件功能
  • 32封装焊端数
  • 封装类型：SSOP32
  • 工作环境温度：–40至125°C

购买/参数

3 结果

包含 0 不推荐用于新设计

部件

展开描述

订购

计算机辅助设计模型

器件功能

封装端接数

负载电源电压（最小）（V）

负载电源电压（最大）（V）

电源电压[最小]（V）

电源电压[最大]（V）

接口和输入控制

Ambient Operating Temperature (Min to Max) (℃)

MC33972ATEK
数据手册

powertrain control, signal conditioning, switch monitoring

32

5.5

26

3.1

5.25

SPI

-40 to 125

MC33972ATEW
数据手册

signal conditioning, switch monitoring

32

5.5

26

3.1

5.25

SPI

-40 to 125

MC33972TEW
数据手册

signal conditioning, switch monitoring

32

5.5

26

3.1

5.25

SPI

-40 to 125

N true 0 PSPMC33972zh 4 应用笔记 Application Note t789 2 数据手册 Data Sheet t520 1 用户指南 User Guide t792 1 zh 1 1 20 English The 33972 Multiple Switch Detection Interface with Suppressed Wake-Up. 1057947691616728772449 PSP 2.0 MB None None documents None 1057947691616728772449 /docs/en/data-sheet/MC33972.pdf 2000470 /docs/en/data-sheet/MC33972.pdf MC33972 N N 2016-10-31 MC33972, Multiple Switch Detection Interface with Suppressed Wake-up /docs/en/data-sheet/MC33972.pdf /docs/en/data-sheet/MC33972.pdf Data Sheet N Y 980000996212993340 2023-08-31 pdf N en Aug 22, 2023 Data Sheet t520 数据手册 Data Sheet Y N MC33972, Multiple Switch Detection Interface with Suppressed Wake-up false zh zh 应用笔记 Application Note 2 2 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 documents 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 645036621402383989 2024-01-19 pdf N en Oct 21, 2014 645036621402383989 Application Note Y N AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note 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 用户指南 User Guide 1 4 1.0 English This evaluation kit features the MC33972A Multiple Switch Detection Interface with suppressed wake-up is designed to detect the closing and opening of up to 22 switch contacts. The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI). The device also features a 22-to-1 analog multiplexer for reading inputs as analog. 1375132488463726677869 PSP 1.6 MB None None documents None 1375132488463726677869 /docs/en/user-guide/KT33972UG.pdf 1592311 /docs/en/user-guide/KT33972UG.pdf KT33972UG documents N N 2013-07-31 KIT33972AEWEVBE, Evaluation Board - User Guide /docs/en/user-guide/KT33972UG.pdf /docs/en/user-guide/KT33972UG.pdf User Guide N 132339537837198660 2023-06-19 pdf N en Jul 29, 2013 132339537837198660 User Guide Y N KIT33972AEWEVBE, Evaluation Board - User Guide false 0 MC33972 downloads zh-Hans true 1 Y PSP 应用笔记 2 /docs/en/application-note/AN2409.pdf 2016-10-31 10jsBvfc PSP 2 Oct 21, 2014 Application Note 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 documents 3536520 None 645036621402383989 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 en None Y pdf 3.0 N N AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note 3.5 MB AN2409 N 10jsBvfc /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 数据手册 1 /docs/en/data-sheet/MC33972.pdf 2016-10-31 1057947691616728772449 PSP 1 Aug 22, 2023 Data Sheet 数据手册 The 33972 Multiple Switch Detection Interface with Suppressed Wake-Up. None /docs/en/data-sheet/MC33972.pdf English 2000470 None Data Sheet 2023-08-31 N /docs/en/data-sheet/MC33972.pdf MC33972, Multiple Switch Detection Interface with Suppressed Wake-up /docs/en/data-sheet/MC33972.pdf documents 980000996212993340 Data Sheet N Y en None Y t520 pdf 20 N N MC33972, Multiple Switch Detection Interface with Suppressed Wake-up 2.0 MB MC33972 N 1057947691616728772449 用户指南 1 /docs/en/user-guide/KT33972UG.pdf 2013-07-31 1375132488463726677869 PSP 4 Jul 29, 2013 User Guide This evaluation kit features the MC33972A Multiple Switch Detection Interface with suppressed wake-up is designed to detect the closing and opening of up to 22 switch contacts. The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI). The device also features a 22-to-1 analog multiplexer for reading inputs as analog. None /docs/en/user-guide/KT33972UG.pdf English documents 1592311 None 132339537837198660 2023-06-19 N /docs/en/user-guide/KT33972UG.pdf KIT33972AEWEVBE, Evaluation Board - User Guide /docs/en/user-guide/KT33972UG.pdf documents 132339537837198660 User Guide N en None Y pdf 1.0 N N KIT33972AEWEVBE, Evaluation Board - User Guide 1.6 MB KT33972UG N 1375132488463726677869 true Y Products

文档

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4 文件

紧凑列表

应用笔记 (2)
数据手册 (1)
用户指南 (1)

设计文件

硬件

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2 硬件

软件

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1 软件文件

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