BQ24196_17 Datasheet, PDF (2/50 Pages) Texas Instruments – I2C Controlled 2.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Management and USB OTG

bq24196
SLUSB98A – OCTOBER 2012 – 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 Pin Configuration and Functions ......................... 4
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5
7.2 ESD Ratings ............................................................ 5
7.3 Recommended Operating Conditions....................... 6
7.4 Thermal Information .................................................. 6
7.5 Electrical Characteristics........................................... 6
7.6 Typical Characteristics .............................................. 9
8 Detailed Description ............................................ 12
8.1 Overview ................................................................. 12
8.2 Functional Block Diagram ....................................... 12
8.3 Feature Description................................................. 13
8.4 Device Functional Modes........................................ 25
8.5 Register Map........................................................... 26
9 Application and Implementation ........................ 34
9.1 Application Information............................................ 34
9.2 Typical Application .................................................. 34
10 Power Supply Recommendations ..................... 39
11 Layout................................................................... 39
11.1 Layout Guidelines ................................................. 39
11.2 Layout Example .................................................... 40
12 Device and Documentation Support ................. 41
12.1 Documentation Support ....................................... 41
12.2 Trademarks ........................................................... 41
12.3 Electrostatic Discharge Caution ............................ 41
12.4 Glossary ................................................................ 41
13 Mechanical, Packaging, and Orderable
Information ........................................................... 42
4 Revision History
Changes from Original (October 2012) to Revision A
Page
• Added Handling Rating 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 BOOT to BTST in Figure 36 ................................................................................................................................... 1
• Changed V_SLEEPZ, V_{BAT_DPL_HY}, V_BATGD , I_{CHG_20pct}, V_SHORT, I_{ADPT_DPM}, K_ILIM, V_{BTST_REFRESH} in Electrical Characteristics.......... 6
• Added –40°C to 85° to I_BAT Test Condition............................................................................................................................. 6
• Added REG00[6:3] = 0110 (4.36 V) or 1011 (4.76 V) to V_{INDPM_REG_ACC} Test Conditions...................................................... 8
• Added a MIN value of 435 to K_ILIM.......................................................................................................................................... 8
• Deleted T_{Junction_REG} MIN and MAX ......................................................................................................................................... 8
• Changed V_{OTG_ILIM} to I_{OTG_ILIM} and V_{OTG_HSZCP} to I_{OTG_HSZCP} ................................................................................................... 8
• Deleted V_REGN, V_VBUS = 5 V, I_REGN = 20 mA MAX value ......................................................................................................... 9
• Changed Functional Block Diagram ..................................................................................................................................... 12
• Changed REG09[5:4] to REG08[5:4] in Charging Termination section ............................................................................... 20
• Changed Charging Safety Timer description........................................................................................................................ 20
• Changed Host Mode and Default Mode description............................................................................................................. 25
• Changed Charge Current Control Register REG02 Bit 0 description and note ................................................................... 29
• Changed Charge Voltage Limit from Default: 4.304 V (110010) to Default: 4.208 V (101100) ........................................... 30
• Changed BOOT to BTST in Figure 36 ................................................................................................................................. 34
• Changed BOOT to BTST in Figure 37 ................................................................................................................................. 35
2
Submit Documentation Feedback
Product Folder Links: bq24196
Copyright © 2012–2014, Texas Instruments Incorporated