BQ25120A Datasheet, PDF (2/67 Pages) Texas Instruments – Low IQ Highly Integrated Battery Charge Management Solution for Wearables and IoT

bq25120A
SLUSD08 – MAY 2017
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Description (continued)......................................... 3
6 Device Comparison Table..................................... 3
7 Pin Configuration and Functions ......................... 4
8 Specifications......................................................... 6
8.1 Absolute Maximum Ratings ...................................... 6
8.2 ESD Ratings.............................................................. 6
8.3 Recommended Operating Conditions....................... 6
8.4 Thermal Information .................................................. 7
8.5 Electrical Characteristics........................................... 8
8.6 Timing Requirements ............................................. 12
8.7 Typical Characteristics ............................................ 15
9 Detailed Description ............................................ 17
9.1 Overview ................................................................. 17
9.2 Functional Block Diagram ....................................... 17
9.3 Feature Description................................................. 18
9.4 Device Functional Modes........................................ 31
9.5 Programming .......................................................... 33
9.6 Register Maps ........................................................ 36
10 Application and Implementation........................ 47
10.1 Application Information.......................................... 47
10.2 Typical Application ............................................... 47
11 Power Supply Recommendations ..................... 62
12 Layout................................................................... 63
12.1 Layout Guidelines ................................................. 63
12.2 Layout Example .................................................... 63
13 Device and Documentation Support ................. 64
13.1 Device Support...................................................... 64
13.2 Trademarks ........................................................... 64
13.3 Electrostatic Discharge Caution ............................ 64
13.4 Glossary ................................................................ 64
14 Mechanical, Packaging, and Orderable
Information ........................................................... 64
4 Revision History
DATE
May 2017
REVISION
*
NOTES
Initial release.
2
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