bq25040 Description
The bq25040 is an integrated Li-ion linear battery charger targeted at space-limited portable applications. It operates from either a USB port or AC adapter and charges a single cell Li-Ion battery with up to 1.1A of charge current. The bq25040 has a single power output that charges the battery.
bq25040 Key Features
- 30V Input Rating, with Overvoltage Protection (OVP)
- Input Voltage Dynamic Power Management Feature
- 50mA Integrated Low Dropout Linear Regulator (LDO)
- 1% Charge Voltage Regulation Accuracy
- 10% Charge Current Accuracy
- Single-Input Interface Selects USB 100mA
- 4.2V at 2.3A Production Test Mode
- Thermal Regulation and Thermal Shutdown
- Soft-Start Feature to Reduce Inrush Current
- Status Indication