XA4217

XA4217 High Accuracy Linear Li-Lon Battery Charger Features Preset 8.4V Charge Voltage with 1% Accuracy Programmable Charge Current Up to 1A Input Voltage:9-10V DC Pre-Charging, the Charge Current is adjustable （ ）Ideal for Dual-Cell 8.4V Li-Ion Batteries Constant -Current Charging, the Charge Current is adjustable Constant-Voltage Charging Constant-Current/Constant-Voltage Charging with Temperature Monitoring Automatic Recharge Double LEDs Charge Status Indication Available in SOP-8L Package Applications Charger for Li-Ion Coin Cell Batteries Portable MP3 Players, Wireless Headsets Multifunction Wristwatches Bluetooth Applications Description The XA4217 is a complete constant-current/ constant voltage linear charger for cell lithium-ion batteries. Its package and low external component count make the XA4217 ideally suited for portable applications. The charge current can be programmed externally with a single resistor. XA4217 determines the charge mode by detecting the batter...