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
