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TPS61160A, TPS61161A

SLVS937C – MARCH 2009 – REVISED JULY 2016

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Product Folder Links: TPS61160A TPS61161A

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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

Pin Configuration and Functions ......................... 3

6

Specifications......................................................... 4

6.1

Absolute Maximum Ratings ...................................... 4

6.2

ESD Ratings.............................................................. 4

6.3

Recommended Operating Conditions ....................... 4

6.4

Thermal Information .................................................. 5

6.5

Dissipation Ratings ................................................... 5

6.6

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

6.7

Typical Characteristics .............................................. 7

7

Detailed Description .............................................. 9

7.1

Overview ................................................................... 9

7.2

Functional Block Diagram ......................................... 9

7.3

Feature Description................................................... 9

7.4

Device Functional Modes........................................ 11

8

Application and Implementation ........................ 12

8.1

Application Information............................................ 12

8.2

Typical Applications ................................................ 12

9

Power Supply Recommendations ...................... 20

10

Layout................................................................... 21

10.1

Layout Guidelines ................................................. 21

10.2

Layout Example .................................................... 21

10.3

Thermal Considerations ........................................ 21

11

Device and Documentation Support ................. 22

11.1

Device Support...................................................... 22

11.2

Documentation Support ........................................ 22

11.3

Related Links ........................................................ 22

11.4

Receiving Notification of Documentation Updates 22

11.5

Community Resources.......................................... 22

11.6

Trademarks ........................................................... 22

11.7

Electrostatic Discharge Caution ............................ 22

11.8

Glossary ................................................................ 23

12

Mechanical, Packaging, and Orderable

Information ........................................................... 23

4 Revision History

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

Changes from Revision B (October 2014) to Revision C

Page

•

Changed Handling Ratings to ESD Ratings; moved storage temperature to Abs Max table ................................................ 4

•

•

Added Receiving Notification of Documentation Updates and Community Resources ....................................................... 22

Changes from Revision A (July 2011) to Revision B

Page

•

Added Device Information and Handling Rating tables, Feature Description, Device Functional Modes, Application

and Implementation, Power Supply Recommendations, Layout, Device and Documentation Support, and

Mechanical, Packaging, and Orderable Information sections; moved some curves to Application Curves section;

change "QFN" to "SON" ......................................................................................................................................................... 1

•

Changed (reversed) the Vi=5V and Vi=3.6V characteristic labels in Figure 3 ....................................................................... 7

Changes from Original (March 2009) to Revision A

Page

•

Deleted "6 LEDs" and "10 LEDs" from the second feature bullet for TPS61160A and TPS61161A Open-LED

Protection, respectively........................................................................................................................................................... 1

•

Deleted "for up to 10 LEDs in Series" from title ..................................................................................................................... 1

•

Added "38V Max" to Typical Application of TPS61161A, top of LED string........................................................................... 1

•

Changed from "...for driving up to 10 white LED" to "...for driving white LED" in first sentence of OPERATION section. .... 9

•

Changed text of last sentence in "OPEN LED PROTECTION" section to clarify circuit description.................................... 10

•

Changed Figure 11 to show separate terminals for COMP and FB..................................................................................... 11

•

Changed Li-Ion Driver for 6 White LEDs With External PWM Dimming Network to clarify schematic ................................ 15