BQ24232H_15 Datasheet, PDF (2/42 Pages) Texas Instruments – bq2423xx USB-Friendly Lithium-Ion Battery Charger and Power-Path Management IC

bq24230H, bq24232H
SLUSBI8A – JANUARY 2014 – REVISED DECEMBER 2014
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 ......................... 3
8 Specifications......................................................... 4
8.1 Absolute Maximum Ratings ..................................... 4
8.2 ESD Ratings.............................................................. 5
8.3 Recommended Operating Conditions....................... 5
8.4 Thermal Information .................................................. 5
8.5 Electrical Characteristics........................................... 5
8.6 Typical Characteristics .............................................. 9
9 Detailed Description ............................................ 11
9.1 Overview ................................................................. 11
9.2 Functional Block Diagram ....................................... 12
9.3 Feature Description................................................. 13
9.4 Device Functional Modes........................................ 23
10 Application and Implementation........................ 25
10.1 Application Information.......................................... 25
10.2 Typical Application ................................................ 25
10.3 System Examples ................................................. 30
11 Power Supply Recommendations ..................... 31
11.1 Requirements for OUT Output .............................. 31
11.2 USB Sources and Standard AC Adapters ............ 31
11.3 Half-Wave Adapters .............................................. 31
12 Layout................................................................... 31
12.1 Layout Guidelines ................................................. 31
12.2 Layout Example .................................................... 32
12.3 Thermal Package .................................................. 33
13 Device and Documentation Support ................. 34
13.1 Documentation Support ........................................ 34
13.2 Related Links ........................................................ 34
13.3 Trademarks ........................................................... 34
13.4 Electrostatic Discharge Caution ............................ 34
13.5 Glossary ................................................................ 34
14 Mechanical, Packaging, and Orderable
Information ........................................................... 34
4 Revision History
Changes from Original (January 2014) to Revision A
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
2
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