bq24040 Description
The bq2404x series of devices are highly integrated Li-Ion and Li-Pol linear chargers devices targeted at space-limited portable applications. The devices operate from either a USB port or AC adapter. The high input voltage range with input overvoltage protection supports low-cost unregulated adapters.
bq24040 Key Features
- 1 Charging
- 1% Charge Voltage Accuracy
- 10% Charge Current Accuracy
- Pin Selectable USB 100mA and 500mA Maximum Input Current Limit
- Programmable Termination and Precharge Threshold, bq24040 and bq24045
- High voltage (4.35V) Chemistry Support with bq24045
- Protection
- 30V Input Rating; with 6.6V or 7.1V Input Overvoltage Protection
- Input Voltage Dynamic Power Management
- 125°C Thermal Regulation; 150°C Thermal Shutdown Protection