Not Recommended for New Designs

bq28550-R1

SLUSAS4A – OCTOBER 2012 – REVISED SEPTEMBER 2014

www.ti.com

Table of Contents

Cell Voltage) Characteristics...................................... 8

1

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

6.13

Electrical Characteristics: Data Flash Memory

2

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

Characteristics ........................................................... 8

3

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

6.14

Electrical Characteristics: Serial Communication

4

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

Timing Characteristics................................................ 8

5

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

7

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

6

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

7.1

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

6.1

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

7.2

Data Acquisition ...................................................... 10

6.2

Handling Ratings ...................................................... 4

7.3

Over-Temperature Indication .................................. 11

6.3

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

7.4

Gas Gauging ........................................................... 11

6.4

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

7.5

Protection ................................................................ 11

6.5

Electrical Characteristics: Battery Protection ............ 5

7.6

Feature Description................................................. 17

6.6

Electrical Characteristics: Voltage Regulator............ 6

8

Application and Implementation ........................ 30

6.7

Electrical Characteristics: Power-On Reset .............. 7

8.1

Typical Application .................................................. 30

6.8

Electrical Characteristics: Internal Temperature

9

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

Sensor Characteristics ............................................... 7

9.1

Related Documentation........................................... 33

6.9

Electrical Characteristics: High Frequency

9.2

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

Oscillator .................................................................... 7

9.3

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

6.10

Electrical Characteristics: Low Frequency

9.4

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

Oscillator .................................................................... 7

6.11

Electrical Characteristics: Integrating ADC

10

Mechanical, Packaging, and Orderable

(Coulomb Counter) Characteristics............................ 7

Information ........................................................... 34

6.12

Electrical Characteristics: ADC (Temperature and

4 Revision History

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

Changes from Original (October 2012) to Revision A

Page

•

Changed the document format per updated Texas Instruments data sheet standards ........................................................ 1

•

Deleted Ordering Information Table ...................................................................................................................................... 1

2

Submit Documentation Feedback

Copyright © 2012–2014, Texas Instruments Incorporated

Product Folder Links: bq28550-R1