BQ24079
Representative BQ24079 image (package may vary by manufacturer)
Overview
The BQ2407x series of devices are integrated Li-Ion linear chargers and system power path management devices targeted at space-limited portable applications. The devices operate from either a USB port or an AC adapter and support charge currents up to 1.5 A.
- 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 (VINDPM) for protection against poor USB sources
- Functional Safety-Capable (BQ24074) - Documentation available to aid functional safety system design
- 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 (BQ24072)
- Programmable termination current (BQ24074)
- Battery disconnect function with SYSOFF input (BQ24075, BQ24079)
- Programmable pre-charge and fast-charge safety timers
