TIC10024-Q1 Datasheet, PDF (2/81 Pages) Texas Instruments – 24-Input Multiple Switch Detection Interface (MSDI) Device With Adjustable Wetting Current for Automotive Systems

TIC10024-Q1
SCPS268 – SEPTEMBER 2017
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ...................................... 5
6.2 ESD Ratings ............................................................ 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information .................................................. 6
6.5 Electrical Characteristics........................................... 6
6.6 Timing Requirements ............................................... 9
6.7 Typical Characteristics ............................................ 10
7 Parameter Measurement Information ................ 11
8 Detailed Description ............................................ 12
8.1 Overview ................................................................. 12
8.2 Functional Block Diagram ....................................... 13
8.3 Feature Description................................................. 14
8.4 Device Functional Modes........................................ 26
9 Programming........................................................ 33
9.1 SPI Communication Interface Buses ...................... 33
9.2 SPI Sequence ......................................................... 34
9.3 Programming Guidelines......................................... 36
9.4 Register_Maps ........................................................ 36
10 Application and Implementation........................ 65
10.1 Application Information.......................................... 65
10.2 Digital Switch Detection in Automotive Body Control
Module ..................................................................... 65
10.3 Systems Examples................................................ 68
11 Power Supply Recommendations ..................... 71
12 Layout................................................................... 72
12.1 Layout Guidelines ................................................. 72
12.2 Layout Example .................................................... 73
13 Device and Documentation Support ................. 74
13.1 Receiving Notification of Documentation Updates 74
13.2 Community Resources.......................................... 74
13.3 Trademarks ........................................................... 74
13.4 Electrostatic Discharge Caution ............................ 74
13.5 Glossary ................................................................ 74
14 Mechanical, Packaging, and Orderable
Information ........................................................... 74
4 Revision History
DATE
September 2017
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REVISION
*
Initial release.
NOTES
2
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