bq25071 - Texas Instruments

bq25071 Battery Charger

The bq25071 is a highly integrated, linear, LiFePO4 battery charger targeted at space-limited portable applications. It accepts power from either a USB port or AC adapter and charges a single-cell LiFePO4 battery with up to 1 A of charge current. The 30 V input rating with 10.5 V input overvoltage protection supports low-cost unregulated adapters. The bq2507.

Features

•1 Single Cell LiFePO4 Charging Algorithm
• 30V Input Rating, With 10.5 V Overvoltage Protection (OVP)
• 50mA Integrated Low Dropout Linear Regulator (LDO)
• Programmable Charge Current Through ISET and EN Terminals
• 7% Charge Current Regulation Accuracy
• Thermal Regulation and Protection
• Soft-Start Feature to Reduce Inrush Current
• Battery NTC Monitoring
• Charging Status Indication 2 Applications
• Smart Phones
• Mobile Phones
• Portable Media Players
• Low Power Handheld Devices 3 Description The bq25071 is a highly integrated, linear, LiFePO4 battery charger targeted at space-limited.