Data Sheet

bq27441-G1
SLUSBH1C NOVEMBER 2013REVISED DECEMBER 2014
www.ti.com
Table of Contents
8.12 SHUTDOWN and WAKE-UP Timing ...................... 9
1 Features.................................................................. 1
8.13 Typical Characteristics............................................ 9
2 Applications ........................................................... 1
9 Detailed Description............................................ 10
3 Description ............................................................. 1
9.1 Overview ................................................................. 10
4 Simplified Schematic............................................. 1
9.2 Functional Block Diagram ....................................... 10
5 Revision History..................................................... 2
9.3 Feature Description................................................. 10
6 Device Comparison Table..................................... 3
9.4 Device Functional Modes........................................ 11
7 Pin Configuration and Functions......................... 4
9.5 Programming........................................................... 11
8 Specifications......................................................... 5
10 Application and Implementation........................ 15
8.1 Absolute Maximum Ratings ...................................... 5
10.1 Application Information.......................................... 15
8.2 ESD Ratings.............................................................. 5
10.2 Typical Applications .............................................. 15
8.3 Recommended Operating Conditions...................... 5
11 Power Supply Recommendation ....................... 18
8.4 Thermal Information.................................................. 5
11.1 Power Supply Decoupling..................................... 18
8.5 Supply Current ......................................................... 6
12 Layout................................................................... 18
8.6 Digital Input and Output DC Characteristics............ 6
12.1 Layout Guidelines ................................................. 18
8.7 LDO Regulator, Wake-up, and Auto-Shutdown DC
12.2 Layout Example .................................................... 19
Characteristics ........................................................... 7
13 Device and Documentation Support ................. 20
8.8 LDO Regulator, Wake-up, and Auto-shutdown AC
Characteristics ........................................................... 7
13.1 Documentation Support ........................................ 20
8.9 ADC (Temperature and Cell Measurement)
13.2 Trademarks........................................................... 20
Characteristics ........................................................... 7
13.3 Electrostatic Discharge Caution............................ 20
8.10 Integrating ADC (Coulomb Counter) Characteristics
13.4 Glossary................................................................ 20
................................................................................... 7
14 Mechanical, Packaging, and Orderable
8.11 I
2
C-Compatible Interface Communication Timing
Information ........................................................... 20
Characteristics ........................................................... 8
5 Revision History
Changes from Revision B (August 2014) to Revision C Page
Changed simplified schematic by adding two 1 µF capacitors ............................................................................................. 1
Added description for connecting 1-µF capacitor .................................................................................................................. 4
Added information for connecting GPOUT ............................................................................................................................ 4
Changed Handling Ratings to ESD Ratings........................................................................................................................... 5
Changed connection description for BAT pin ...................................................................................................................... 18
Changed recommend to required......................................................................................................................................... 18
Added arrow to C
BAT
from text............................................................................................................................................. 19
Changes from Revision A (January 2014) to Revision B Page
Added Handling 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
Changed LiMnO
4
to LiCoO
2
.................................................................................................................................................... 4
Updated BAT pin description ................................................................................................................................................. 4
Updated BIN pin description .................................................................................................................................................. 4
Updated GPOUT pin description ........................................................................................................................................... 4
Updated SRN and SRP pin descriptions................................................................................................................................ 4
Changed the I
lkg
parameters .................................................................................................................................................. 6
2 Submit Documentation Feedback Copyright © 2013–2014, Texas Instruments Incorporated
Product Folder Links: bq27441-G1