BQ24618_15 Datasheet, PDF (2/43 Pages) Texas Instruments – System Power Selector and Low

bq24618
SLUSA55B – OCTOBER 2010 – REVISED APRIL 2015
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 3
6 Pin Configuration and Functions ......................... 4
7 Specifications......................................................... 6
7.1 Absolute Maximum Ratings ...................................... 6
7.2 ESD Ratings.............................................................. 6
7.3 Recommended Operating Conditions....................... 7
7.4 Thermal Information .................................................. 7
7.5 Electrical Characteristics........................................... 8
7.6 Typical Characteristics ............................................ 12
8 Detailed Description ............................................ 15
8.1 Overview ................................................................. 15
8.2 Functional Block Diagram ....................................... 16
8.3 Feature Description................................................. 17
8.4 Device Functional Modes........................................ 26
9 Application and Implementation ........................ 27
9.1 Application Information............................................ 27
9.2 Typical Application .................................................. 27
10 Power Supply Recommendations ..................... 33
11 Layout................................................................... 33
11.1 Layout Guidelines ................................................. 33
11.2 Layout Example .................................................... 34
12 Device and Documentation Support ................. 35
12.1 Device Support...................................................... 35
12.2 Documentation Support ........................................ 35
12.3 Trademarks ........................................................... 35
12.4 Electrostatic Discharge Caution ............................ 35
12.5 Glossary ................................................................ 35
13 Mechanical, Packaging, and Orderable
Information ........................................................... 35
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (October 2011) to Revision B
Page
• Added ESD 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
Changes from Original (October 2010) to Revision A
Page
• Changed descriptions for PH and BTST pins......................................................................................................................... 5
• Corrected Equation 8 ........................................................................................................................................................... 22
2
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