bq24078
Overview
The bq2407x is a family of integrated Li-Ion battery linear chargers with system power path management functionality targeted at space-constrained portable applications. The devices operate from either a USB port or an AC adapter and support charge currents up to 1.5 A.
- 1 Fully Compliant USB Charger - Selectable 100-mA and 500-mA Maximum Input Current - 100-mA Maximum Current Limit Ensures Compliance to USB-IF Standard - Input-Based Dynamic Power Management (VIN-DPM) for Protection Against Poor USB Sources
- 28-V Input Rating with Overvoltage Protection
- Integrated Dynamic Power Path Management (DPPM) Function Simultaneously and Independently Powers the System and Charges the Battery
- Supports up to 1.5-A Charge Current with Current Monitoring Output (ISET)
- Programmable Input Current Limit up to 1.5 A for Wall Adapters
- System Output Tracks Battery Voltage
- Battery Disconnect Function with SYSOFF Input
- Programmable Pre-Charge and Fast-Charge Safety Timers
- Reverse Current, Short-Circuit, and Thermal Protection
- NTC Thermistor Input
