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bq7718

SLUSAX1E – DECEMBER 2012 – REVISED MARCH 2017

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Product Folder Links: bq7718

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Copyright © 2012–2017, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

Device Comparison Table..................................... 4

6

Pin Configuration and Functions ......................... 5

7

Specifications......................................................... 6

7.1

Absolute Maximum Ratings ...................................... 6

7.2

ESD Ratings ............................................................ 6

7.3

Recommended Operating Conditions ....................... 6

7.4

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

7.5

DC Characteristics .................................................... 7

7.6

Timing Requirements ................................................ 8

7.7

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

8

Detailed Description ............................................ 10

8.1

Overview ................................................................. 10

8.2

Functional Block Diagram ....................................... 10

8.3

Feature Description................................................. 11

8.4

Device Functional Modes........................................ 12

9

Application and Implementation ........................ 13

9.1

Application Information............................................ 13

9.2

Systems Examples.................................................. 16

10

Power Supply Recommendations ..................... 16

11

Layout................................................................... 17

11.1

Layout Guidelines ................................................. 17

11.2

Layout Example .................................................... 17

12

Device and Documentation Support ................. 18

12.1

Related Links ........................................................ 18

12.2

Receiving Notification of Documentation Updates 18

12.3

Community Resources.......................................... 18

12.4

Trademarks ........................................................... 18

12.5

Electrostatic Discharge Caution ............................ 18

12.6

Glossary ................................................................ 18

13

Mechanical, Packaging, and Orderable

Information ........................................................... 19

4 Revision History

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

Changes from Revision D (November 2014) to Revision E

Page

•

Changed the datasheet device number to bq7718 ............................................................................................................... 1

•

Added the Block Diagram image ........................................................................................................................................... 1

•

Removed the Product Preview note from bq771806 in the Device Comparison Table ......................................................... 4

•

Added bq771817 to Device Comparison Table...................................................................................................................... 4

•

Replaced the pinout image in the Pin Configuration and Functions section ......................................................................... 5

•

Deleted " Lead temperature (soldering, 10 s)" from the Absolute Maximum Ratings table ................................................... 6

•

Changed the Handling Ratings table to ESD Ratings table .................................................................................................. 6

•

Removed the Product Preview note from bq771806 in the DC Characteristics table............................................................ 7

•

•

Added the Timing Requirements table ................................................................................................................................... 8

•

Added the Feature Description section ................................................................................................................................ 11

•

Added the Device Functional Modes section ....................................................................................................................... 12

•

Added the Power Supply Recommendations section .......................................................................................................... 16

•

Added the Layout section ..................................................................................................................................................... 17

Changes from Revision C (August 2014) to Revision D

Page

•

Added the bq771815 device to Production Data.................................................................................................................... 4

•

Changed the Handling Ratings table ..................................................................................................................................... 6

•

•

Added note to the Application and Implementation section ................................................................................................ 13