L6924U(2008) データシートの表示（PDF） - STMicroelectronics

部品番号

コンポーネント説明

メーカー

L6924U
(Rev.:2008)

USB compatible battery charger system with integrated power switch for Li-Ion/Li-Polymer

STMicroelectronics 

L6924U

USB compatible battery charger system

with integrated power switch for Li-Ion/Li-Polymer

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-leads package

(3 mm x 3 mm)

VFQFPN16

Applications

■ PDAs, GPS and MP3 players

■ USB powered devices

■ Cellular phones

■ Digital still cameras

■ Standalone chargers

■ Wireless appliances

Table 1. Device summary

Order codes

L6924U

L6924U013TR

Package

VFQFPN16

Packaging

Tube

Tape and reel

May 2008

Rev 1

1/38

www.st.com

38

Share Link: