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TCA9555

SCPS200D – JULY 2009 – REVISED JULY 2016

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Copyright © 2009–2016, Texas Instruments Incorporated

Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Description (continued)......................................... 3

6

Pin Configuration and Functions ......................... 4

7

Specifications......................................................... 5

7.1

Absolute Maximum Ratings ..................................... 5

7.2

ESD Ratings.............................................................. 5

7.3

Recommended Operating Conditions ....................... 5

7.4

Thermal Information .................................................. 6

7.5

Electrical Characteristics........................................... 6

7.6

7.7

Switching Characteristics .......................................... 8

7.8

Typical Characteristics .............................................. 9

8

Parameter Measurement Information ................ 12

9

Detailed Description ............................................ 15

9.1

Overview ................................................................. 15

9.2

Functional Block Diagram ....................................... 15

9.3

Feature Description................................................. 15

9.4

Device Functional Modes........................................ 16

9.5

Programming........................................................... 16

9.6

Register Maps ......................................................... 24

10

Application and Implementation........................ 25

10.1

Application Information.......................................... 25

10.2

Typical Application ............................................... 25

11

Power Supply Recommendations ..................... 29

12

Layout................................................................... 31

12.1

Layout Guidelines ................................................. 31

12.2

Layout Example .................................................... 31

13

Device and Documentation Support ................. 32

13.1

Documentation Support ........................................ 32

13.2

Receiving Notification of Documentation Updates 32

13.3

Community Resources.......................................... 32

13.4

Trademarks ........................................................... 32

13.5

Electrostatic Discharge Caution ............................ 32

13.6

Glossary ................................................................ 32

14

Mechanical, Packaging, and Orderable

Information ........................................................... 32

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision C (June 2016) to Revision D

Page

•

Added DB Package ............................................................................................................................................................... 1

Changes from Revision A (July 2009) to Revision B

Page

•

Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional

Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device

and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .............................. 1

Changes from Revision B (July 2015) to Revision C

Page

•

Added RGE Package. ............................................................................................................................................................ 1

•

•

•

•

•

•

•

Changed Typical characteristic plots with updated data ........................................................................................................ 9

•

POR requirements, bounded lowest voltage allowed during glitch ..................................................................................... 30