BQ24040_16 Datasheet, PDF (2/38 Pages) Texas Instruments – Single Cell Li-Ion and Li-Pol Battery Charger With Auto Start

bq24040, bq24041, bq24045
SLUS941F – SEPTEMBER 2009 – REVISED MARCH 2015
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison ............................................... 4
6 Pin Configuration and Functions ......................... 4
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ..................................... 5
7.2 ESD Ratings.............................................................. 5
7.3 Recommended Operating Conditions ...................... 5
7.4 Thermal Information .................................................. 6
7.5 Electrical Characteristics........................................... 6
7.6 Timing Requirements ................................................ 9
7.7 Typical Operational Characteristics (Protection
Circuits Waveforms)................................................. 10
8 Detailed Description ............................................ 11
8.1 Overview ................................................................. 11
8.2 Functional Block Diagram ....................................... 12
8.3 Feature Description................................................. 13
8.4 Device Functional Modes........................................ 16
9 Application and Implementation ........................ 21
9.1 Application Information............................................ 21
9.2 Typical Applications ................................................ 21
10 Power Supply Recommendations ..................... 29
11 Layout................................................................... 29
11.1 Layout Guidelines ................................................. 29
11.2 Layout Example .................................................... 29
12 Device and Documentation Support ................. 30
12.1 Documentation Support ........................................ 30
12.2 Related Links ........................................................ 30
12.3 Trademarks ........................................................... 30
12.4 Electrostatic Discharge Caution ............................ 30
12.5 Glossary ................................................................ 30
13 Mechanical, Packaging, and Orderable
Information ........................................................... 30
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision E (February 2014) to Revision F
Page
• Changed the Device Information table header information, and removed the package designation from the device
number ................................................................................................................................................................................... 1
• Changed the Terminal Configuration and Functions To: Pin Configuration and Functions .................................................. 4
• The storage temperature range has been moved to the Absolute Maximum Ratings⁽¹⁾ ....................................................... 5
• Changed the Handling Ratings table To: ESD Ratings and updated the guidelines ............................................................. 5
• Added the package family to the column heading in the Thermal Information. ..................................................................... 6
• Added the NOTE to the Application and Implementation .................................................................................................... 21
Changes from Revision D (March 2013) to Revision E
Page
• Added Handling Ratings table , Feature Description section, Device Functional Modes section, Application and
Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation
Support section, and Mechanical, Packaging, and Orderable Information section................................................................ 1
• Changed the Dissipation Rating table to the Thermal Information......................................................................................... 6
• Changed V_{O_HT(REG)} in the Electrical Characteristics table to include new values bq24045 .................................................. 7
• Added the Timing Requirements table ................................................................................................................................... 9
• Deleted the last sentence in the first paragraph of the TS (bq24040/5) section ................................................................. 18
• Added the Application Performance Curves......................................................................................................................... 24
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