bq27546-G1

SLUSC53A – MAY 2015 – REVISED DECEMBER 2015

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Table of Contents

1

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

9

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

9.1

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

2

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

9.2

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

3

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

9.3

Feature Description................................................. 10

4

Simplified Schematic............................................. 1

9.4

Device Functional Modes........................................ 15

5

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

9.5

Programming........................................................... 20

6

Device Comparison Table..................................... 3

9.6

Register Maps ......................................................... 22

7

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

10

Application and Implementation........................ 24

8

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

10.1

Application Information.......................................... 24

8.1

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

10.2

Typical Applications .............................................. 25

8.2

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

10.3

Application Curves ................................................ 29

8.3

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

11

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

8.4

Thermal Information .................................................. 4

11.1

Power Supply Decoupling ..................................... 29

8.5

Supply Current .......................................................... 5

12

Layout................................................................... 30

8.6

Digital Input and Output DC Characteristics ............. 5

12.1

Layout Guidelines ................................................. 30

8.7

Power-On Reset........................................................ 5

12.2

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

8.8

2.5-V LDO Regulator ................................................ 5

13

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

8.9

Internal Clock Oscillators .......................................... 5

13.1

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

8.10

Integrating ADC (Coulomb Counter)

13.2

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

Characteristics ........................................................... 6

13.3

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

8.11

ADC (Temperature and Cell Voltage)

Characteristics ........................................................... 6

13.4

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

8.12

Data Flash Memory Characteristics........................ 6

13.5

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

8.13

HDQ Communication Timing Characteristics ......... 6

14

Mechanical, Packaging, and Orderable

8.14

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

8.15

Typical Characteristics ............................................ 8

5 Revision History

Changes from Original (May 2015) to Revision A

Page

•

Changed the descriptions for the SRP and SRN pins ........................................................................................................... 3

•

Changed Power-On Reset .................................................................................................................................................... 5

•

Added "FULLSLEEP mode" to the introduction in Power Modes ....................................................................................... 15

2

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