The bq24070 and bq24071 are highly integrated Li-ion linear charger and system power-path management devices targeted at space-limited portable applications. The bq24070/1 offer 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 to Simultaneously Power the System and Charge the Battery
• Power Supplement Mode Allows Battery to Supplement the AC Input Current
• Autonomous Power Source Selection (AC Adapter or BAT)
• Supports Up to 2-A Total Current
• 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 Status Outputs
• 4.4-V and 6.0-V Options for System Output Regulation Voltage
