L6924D_07 Datasheet, PDF (1/38 Pages) STMicroelectronics – Battery charger system with integrated power switch for Li-ION/Li-POLYMER

L6924D
Battery charger system with integrated
power switch for Li-ION/Li-POLYMER
Features
■ Fully integrated solution, with a power
MOSFET, reverse blocking diode, sense
resistor, and thermal protection
■ Ideal for coke and graphite anode single-cell
L_I-I_ON packs
■ Both linear and quasi-pulse operation
■ Closed loop thermal control
■ USB BUS-compatible
■ Programmable charge current up to 1A
■ Programmable pre-charge current
■ Programmable end-of-charge current
■ Programmable pre-charge voltage threshold
■ Programmable charge timer
■ Programmable output voltage at 4.1V and
4.2V, with ±1% output voltage accuracy
■ (NTC) or (PTC) thermistor interface for battery
temperature monitoring and protection
■ Flexible charge process termination
■ Status outputs to drive LEDs or to interface
with a host processor
■ Small VFQFPN 16-leads package (3mm x
3mm)
VFQFPN16
Applications
■ PDAs
■ Handheld devices
■ Cellular phones
■ Digital cameras
■ Standalone chargers
■ USB-Powered chargers
Table 1. Device summary
Order codes
L6924D
L6924D013TR
June 2007
Package
VFQFPN16
VFQFPN16
Rev 7
Packaging
Tube
Tape & Reel
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