bq24030

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq24030, bq24031, bq24032A, bq24035, bq24038 SLUS618I – AUGUST 2004 – REVISED DECEMBER 2014 bq2403x Single-Chip Charge and System Power-path Management IC (bqTINY™) 1 Features 1 Small 3.5-mm × 4.5-mm QFN Package Designed for Single-Cell Li-Ion- or Li-Polymer- Based Portable Applications Integrated Dynamic Power-Path Management (DPPM) Feature Allowing the AC Adapter or the USB Port to Simultaneously Power the System and Charge the Battery Power Supplement Mode Allows Battery to Supplement the USB or AC Input Current Autonomous Power Source Selection (AC Adapter or USB) Integrated USB Charge Control With Selectable 100-mA and 500-mA Maximum Input Current Regulation Limits Dynamic Total Current Management for USB Supports Up to 2-A Total Current 3.3-V Integrated LDO Output Thermal Regulation for Charge Control Charge Status Outputs for LED or System Interface Indicates Charge and Fault Conditions Reverse Current, Short-Circuit, and Thermal Protection Power Good (AC Adapter and USB Port Present) Status Outputs Charge Voltage Options: 4.1 V, 4.2 V, or 4.36 V 2 Applications Smart Phones and PDAs MP3 Players Digital Cameras Handheld Devices Internet Appliances 3 Description The bqTINY™ III-series of devices are highly integrated Li-ion linear chargers and system powerpath management devices targeted at space-limited portable applications. The bqTINY III-seri...