MC33972: MSDI with Suppressed Wakeup
The NXP® MC33972 multiple switch detection interface with suppressed wake-up is designed to detect the closing and opening of up to 22 switch contacts.
NXP® MC33972 Power Actuation Block Diagram
graphic
特性
- Interfaces directly to microprocessor using 3.3 V / 5.0 V SPI protocol
- Selectable wake-up on change of state
- Eight programmable inputs (switches to battery or ground)
- Fourteen switch-to-ground inputs
- Active Interrupt (INT) on change-of-switch state
- Switch Voltage Range -14 – VPWR
- Operating Voltage 5.5 V – 26 V (VPWR)
- This product is included in NXP®.s product longevity program, with assured supply for a minimum of 15 years after launch
Recommended Documentation (1)
| Name/Description | Type | Modified Date |
|---|---|---|
| MC33972, Multiple Switch Detection Interface with Suppressed Wake-up (REV 19.0) PDF (1.3 MB) MC33972 | Data Sheets | 15 Mar 2012 |
Data Sheets (1)
| Name/Description | Modified Date |
|---|---|
| MC33972, Multiple Switch Detection Interface with Suppressed Wake-up (REV 19.0) PDF (1.3 MB) MC33972 | 15 Mar 2012 |
Application Notes (1)
| Name/Description | Modified Date |
|---|---|
| AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note (REV 3.0) PDF (3.3 MB) AN2409 | 21 Oct 2014 |
Users Guides (1)
| Name/Description | Modified Date |
|---|---|
| KIT33972AEWEVBE, Evaluation Board - User Guide (REV 1.0) PDF (1.6 MB) KT33972UG | 29 Jul 2013 |
Brochures (4)
| Name/Description | Modified Date |
|---|---|
| BR1569, Analog ICs Integrated Solutions Applications - Brochure (REV 15.0) PDF (1.1 MB) BR1569 | 19 Nov 2015 |
| Automotive Solutions Brochure (REV 3) PDF (8.2 MB) BRAUTOSOL | 12 Nov 2012 |
| BR1568, Analog ICs Integrated Solutions Packaging - Brochure (REV 6.0) PDF (1.7 MB) BR1568 | 19 Oct 2012 |
| BR1567, Analog ICs Integrated Solutions Technology - Brochure (REV 3.0) PDF (5.4 MB) BR1567 | 01 Mar 2011 |
Selector Guides (1)
| Name/Description | Modified Date |
|---|---|
| SG187, Automotive, Q3 2015, Rev. 59 - Selector Guide (REV 59) PDF (1.4 MB) SG187 | 27 Aug 2015 |
Ordering Information
| Product | Status | Status | Device Function | Package Type and Termination Count | Budgetary Price excluding tax(US$) | Load Current (Typ) (A) (IL) | Number of Channels | Drain-to-Source On Resistance (Typ) (mOhm) (RDS(ON)) | Current Limit per Output (Min) (A) (ILIM) | Load Supply Voltage (Min) (V) | Load Supply Voltage (Max) (V) | Supply Voltage (Min-Max) (V) | Interface and Input Control | Ambient Operating Temperature (Min-Max) (°C) | Protection | Diagnostics | Additional Features-Analog | RoHS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MC33972TEW | Active | Signal Conditioning, Switch Monitoring | SOIC 32 | 1K @ US$1.44 | 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 @ US$1.54 | 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 @ US$1.54 | 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 @ US$1.54 | 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 @ US$1.54 | 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 @ US$1.44 | 5.5 | 26 | 3.1 to 5.25 | SPI | -40 to 125 | N/A | SPI | Pulse wetting current | [object Object] |
Package Information
| Package Description | Outline Version | Packing | Product Status | Part Number | Chemical Content | RoHS / Pb FreeChina RoHS Lookup | 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
