BQ27320 datasheet(2/29 Pages) TI1

Part #	BQ27320

Description	Single-Cell CEDV Fuel Gauge

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Manufacturer	TI1 [Texas Instruments]

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bq27320

SLUSCG9A – FEBRUARY 2016 – REVISED MARCH 2016

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Table of Contents

1

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

2

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

3

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

4

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

5

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

6

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

7

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

7.1

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

7.2

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

7.3

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

7.4

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

7.5

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

7.6

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

7.7

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

7.8

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

7.9

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

7.10

ADC (Temperature and Cell Measurement)

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

7.11

Integrating ADC (Coulomb Counter)

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

7.12

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

7.13

I2C-Compatible Interface Communication Timing

Characteristics ........................................................... 7

7.14

SDQ Switching Characteristics ............................... 7

7.15

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

8

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

8.1

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

8.2

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

8.3

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

8.4

Device Functional Modes........................................ 17

9

Application and Implementation ........................ 18

9.1

Application Information............................................ 18

9.2

Typical Applications ................................................ 19

10

Power Supply Recommendations ..................... 23

10.1

Power Supply Decoupling ..................................... 23

11

Layout................................................................... 23

11.1

Layout Guidelines ................................................. 23

11.2

Layout Example .................................................... 24

12

Device and Documentation Support ................. 25

12.1

Documentation Support ........................................ 25

12.2

Community Resources.......................................... 25

12.3

Trademarks ........................................................... 25

12.4

Electrostatic Discharge Caution ............................ 25

12.5

Glossary ................................................................ 25

13

Mechanical, Packaging, and Orderable

Information ........................................................... 25

4 Revision History

DATE

REVISION

NOTES

March 2016

A

PRODUCT PREVIEW to Production Data

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