L6924U

L6924U USB compatible battery charger system with integrated power switch for Li-Ion/Li-Polymer Datasheet - production data VFQFPN16 Applications GPS and MP3 players USB-powered devices Digital still cameras Standalone chargers Wireless appliances Features Fully integrated solution, with power MOSFET, reverse blocking diode, sense resistor, and thermal protection Charges single-cell Li-Ion batteries from selectable AC adapter or USB input Programmable charge current up to 1 A in AC adapter mode Programmable charging current in USB mode for both high-power and low-power inputs 4.2 V output voltage with ± 1% accuracy Linear or quasi-pulse operating mode Closed-loop thermal control Programmable end-of-charge current Programmable charge timer (NTC) or (PTC) thermistor interface for battery temperature monitoring and protection Status outputs to drive LEDs or to interface with a host processor Small VFQFPN 16-lead package (3 x3 mm) Table 1. Device summary Order code Package Packing L6924UTR VFQFPN16 Tape and reel February 2022 This is information on a product in full production. DocID14716 Rev 5 1/41 www.st.com Contents Contents L6924U 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . ....