BQ24031RHLRG4 Datasheet PDF - TI

●Description

●The bqTINY™ III-series of devices are highly integrated Li-ion linear chargers and system power-path management devices targeted at space-limited portable applications. The bqTINY III-series offer integrated USB-port and DC supply (AC adapter), power-path management with autonomous power source selection, power FETs and current sensors, high accuracy current and voltage regulation, charge status, and charge termination, in a single monolithic device.

●Features

●• 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

●Applications

●• Smart Phones and PDAs

●• MP3 Players

●• Digital Cameras Handheld Devices

●• Internet Appliances