BQ29209-Q1 Datasheet, PDF (2/23 Pages) Texas Instruments – Voltage Protection with Automatic Cell Balance

bq29209-Q1
SLUSC62A – JUNE 2015 – 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 Options....................................................... 3
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 3
7.1 Absolute Maximum Ratings ...................................... 3
7.2 ESD Ratings.............................................................. 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 4
7.5 Electrical Characteristics........................................... 4
7.6 Recommended Cell Balancing Configurations ......... 6
7.7 Typical Characteristics .............................................. 6
8 Detailed Description .............................................. 7
8.1 Overview ................................................................... 7
8.2 Functional Block Diagram ......................................... 7
8.3 Feature Description................................................... 7
8.4 Device Functional Modes........................................ 11
9 Application and Implementation ........................ 12
9.1 Application Information............................................ 12
9.2 Typical Applications ................................................ 12
9.3 System Example ..................................................... 13
10 Power Supply Recommendations ..................... 13
11 Layout................................................................... 14
11.1 Layout Guidelines ................................................. 14
11.2 Layout Example .................................................... 14
12 Device and Documentation Support ................. 15
12.1 Community Resources.......................................... 15
12.2 Trademarks ........................................................... 15
12.3 Electrostatic Discharge Caution ............................ 15
12.4 Glossary ................................................................ 15
13 Mechanical, Packaging, and Orderable
Information ........................................................... 15
4 Revision History
Changes from Original (June 2015) to Revision A
Page
• Changed resistor R_VD location, added PACK+ and PACK- in the Simplified Schematic image ............................................ 1
• Deleted the Lead Temperature (soldering) from the Absolute Maximum Ratings table ....................................................... 3
• Changed resistor R_VD location in Figure 9 ........................................................................................................................... 12
• Added title to Table 1............................................................................................................................................................ 12
• Changed resistor R_VD location, added PACK+ and PACK- in Figure 11 ............................................................................ 13
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