bq76925

SLUSAM9C – JULY 2011 – REVISED OCTOBER 2015

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Table of Contents

1

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

8

Detailed Description ............................................ 11

8.1

Overview ................................................................. 11

2

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

8.2

Functional Block Diagram ....................................... 12

3

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

8.3

Feature Description................................................. 12

4

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

8.4

Device Functional Modes........................................ 18

5

Description (Continued) ........................................ 3

8.5

Programming........................................................... 19

6

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

8.6

Register Maps ........................................................ 21

7

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

9

Application and Implementation ........................ 27

7.1

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

9.1

Application Information............................................ 27

7.2

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

9.2

Typical Application ................................................. 28

7.3

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

10

Power Supply Recommendations ..................... 31

7.4

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

11

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

7.5

Electrical Characteristics: Supply Current ................ 6

11.1

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

7.6

Internal Power Control (Startup and Shutdown) ...... 6

11.2

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

7.7

3.3-V Voltage Regulator............................................ 6

12

Device and Documentation Support ................. 33

7.8

Voltage Reference .................................................... 7

12.1

Documentation Support ....................................... 33

7.9

Cell Voltage Amplifier................................................ 7

12.2

Community Resources.......................................... 33

7.10

Current Sense Amplifier .......................................... 7

12.3

Trademarks ........................................................... 33

7.11

Overcurrent Comparator ......................................... 8

12.4

Electrostatic Discharge Caution ............................ 33

7.12

Internal Temperature Measurement ....................... 8

12.5

Glossary ................................................................ 33

7.13

Cell Balancing and Open Cell Detection................. 8

13

Mechanical, Packaging, and Orderable

7.14

Information ........................................................... 33

7.15

Typical Characteristics .......................................... 10

4 Revision History

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

Changes from Revision B (December 2011) to Revision C

Page

•

Added 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

•

Moved content to new sections and added hyperlinks to corresponding sections, figures, tables and documents. ............. 1

•

Changes from Revision A (July 2011) to Revision B

Page

•

Added 24-pin QFN (RGE) Package to Production Data ........................................................................................................ 3

Changes from Original (July 2011) to Revision A

Page

•

Changed literature number to Rev A for ProductMix release................................................................................................. 4

2

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