USB compatible battery charger
L6924U
USB compatible battery charger system with integrated power switch for Li-Ion/Li-Polymer
Datasheet - production ...
Description
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 . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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