MC33972: 带抑制唤醒的MSDI
带抑制唤醒功能的33972多开关检测接口可检测最多22个开关触点的关闭和开启。开关状态(开启或关闭)会通过一个串行外设接口(SPI)传输至微处理器(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。
33972器件具有两种运行模式：正常和睡眠。正常模式允许对器件进行编程，在检测开关状态变化时，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33972成为面向需要低睡眠状态电流的汽车和工业控制产品的理想产品。
恩智浦建议在新设计使用“A”版器件。
特性
| NXP® MC33972 Power Actuation Block Diagram graphic |
推荐文档 (1)
| 名称/描述 | 类型 | Modified Date |
|---|---|---|
| MC33972, Multiple Switch Detection Interface with Suppressed Wake-up (REV 19.0) PDF (1.3 MB) MC33972 [English] | 数据手册 |
数据手册 (1)
| 名称/描述 | Modified Date |
|---|---|
| MC33972, Multiple Switch Detection Interface with Suppressed Wake-up (REV 19.0) PDF (1.3 MB) MC33972 [English] | 15 Mar 2012 |
应用说明 (1)
| 名称/描述 | Modified Date |
|---|---|
| AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note (REV 3.0) PDF (3.3 MB) AN2409 [English] | 21 Oct 2014 |
用户指南 (1)
| 名称/描述 | Modified Date |
|---|---|
| KIT33972AEWEVBE, Evaluation Board - User Guide (REV 1.0) PDF (1.6 MB) KT33972UG [English] | 29 Jul 2013 |
手册 (4)
| 名称/描述 | Modified Date |
|---|---|
| BR1569, Analog ICs Integrated Solutions Applications - Brochure (REV 15.0) PDF (1.1 MB) BR1569 [English] | 19 Nov 2015 |
| 汽车电子解决方案手册 (REV 3) PDF (5.2 MB) BRAUTOSOL [中文, English] | 12 Nov 2012 |
| BR1568, Analog ICs Integrated Solutions Packaging - Brochure (REV 6.0) PDF (1.7 MB) BR1568 [English] | 19 Oct 2012 |
| BR1567, Analog ICs Integrated Solutions Technology - Brochure (REV 3.0) PDF (5.4 MB) BR1567 [English] | 01 Mar 2011 |
选型工具指南 (1)
| 名称/描述 | Modified Date |
|---|---|
| SG187, 汽车, Q3 2015, Rev. 59 - 选型指南 (REV 54) PDF (1.4 MB) SG187 [中文, English] | 07 Jan 2014 |
订购信息
| 型号 | 状态 | 状态 | 器件功能 | 封装类型和焊端数 | 预算报价（不含税）(CNY) | 负载电流 (Typ) (A) (IL) | 通道数 | 漏源导通电阻 (Typ) (mOhm) (RDS(ON)) | 每路输出电流限值 (Min) (A) (ILIM) | 负载供电电压 (Min) (V) | 负载供电电压 (Max) (V) | 供电电压 (Min-Max) (V) | 接口和输入控制 | 工作环境温度 (Min-Max) (°C) | 保护 | 诊断 | 其他特性-模拟 | RoHS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MC33972TEW | Active | Signal Conditioning, Switch Monitoring | SOIC 32 | 1K @ CNY9.76 | 5.5 | 26 | 3.1 to 5.25 | SPI | -40 to 125 | N/A | SPI | Pulse wetting current | [object Object] | |||||
| MC33972ATEWR2 | Active | Signal Conditioning, Switch Monitoring | SOIC 32 | 1K @ CNY10.44 | 5.5 | 26 | 3.1 to 5.25 | SPI | -40 to 125 | N/A | SPI | Pulse wetting current | [object Object] | |||||
| MC33972ATEKR2 | Active | Powertrain Control, Signal Conditioning, Switch Monitoring | SOIC-EP 32 | 1K @ CNY10.44 | 5.5 | 26 | 3.1 to 5.25 | SPI | -40 to 125 | N/A | SPI | Pulse wetting current | [object Object] | |||||
| MC33972ATEW | Active | Signal Conditioning, Switch Monitoring | SOIC 32 | 1K @ CNY10.44 | 5.5 | 26 | 3.1 to 5.25 | SPI | -40 to 125 | N/A | SPI | Pulse wetting current | [object Object] | |||||
| MC33972ATEK | Active | Powertrain Control, Signal Conditioning, Switch Monitoring | SOIC-EP 32 | 1K @ CNY10.44 | 5.5 | 26 | 3.1 to 5.25 | SPI | -40 to 125 | N/A | SPI | Pulse wetting current | [object Object] | |||||
| MC33972TEWR2 | Active | Signal Conditioning, Switch Monitoring | SOIC 32 | 1K @ CNY9.76 | 5.5 | 26 | 3.1 to 5.25 | SPI | -40 to 125 | N/A | SPI | Pulse wetting current | [object Object] |
封装环保信息
| 封装说明 | Outline Version | 包装 | 产品状态 | 部件编号 | 化学成分 | RoHS / Pb Free中国RoHS查询 | MSL | PPT (°C) |
|---|---|---|---|---|---|---|---|---|
| SOIC-EP 32 7.5*11*2.3 | 98ASA00259D | MPQ - 42 TRAYPOQ - 3360 BOX | Active | MC33972ATEK | MC33972ATEK.pdf |   | 3 | 260 |
| MPQ - 1000 REELPOQ - 1000 BOX | Active | MC33972ATEKR2 | MC33972ATEKR2.pdf | | 3 | 260 | ||
| SOIC 32 300ML | 98ARH99137A | MPQ - 42 RAILPOQ - 3360 BOX | Active | MC33972ATEW | MC33972ATEW.pdf | | 3 | 260 |
| MPQ - 1000 REELPOQ - 1000 BOX | Active | MC33972ATEWR2 | MC33972ATEWR2.pdf | | 3 | 260 | ||
| MPQ - 42 RAILPOQ - 3360 BOX | Active | MC33972TEW | MC33972TEW.pdf | | 3 | 260 | ||
| MPQ - 1000 REELPOQ - 1000 BOX | Active | MC33972TEWR2 | MC33972TEWR2.pdf | | 3 | 260 |
- AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note mc33797
- KIT33972AEWEVBE, Evaluation Board - User Guide MC33972
- BR1569, Analog ICs Integrated Solutions Applications - Brochure mc33797
- Automotive Solutions Brochure mc33797
- BR1568, Analog ICs Integrated Solutions Packaging - Brochure mc33797
- BR1567, Analog ICs Integrated Solutions Technology - Brochure mc33797
- SG187, Automotive, Q3 2015, Rev. 59 - Selector Guide mc33999
- 98ASA00259D MC33903
- MC33972ATEK.pdf MC33972
- MC33972ATEKR2.pdf MC33972
- 98ARH99137A MC33689
- MC33972ATEW.pdf MC33972
- MC33972ATEWR2.pdf MC33972
- MC33972TEW.pdf MC33972
- MC33972TEWR2.pdf MC33972
