General Description
   ME4057 is a complete constant-current/constant voltage linear charger for single cell lithium-ion batteries. With a thermally enhanced 8-PIN SOP package on the bottom and low external component count make the ME4057 ideally suited for portable applications. Furthermore the ME4057 is specifically designed to work within USB power specifications.

FEATUREs
● Protection of battery cell reverse connection
● Programmable charge current up to 1A
● No MOSFET sense resistor or blocking diode
   required
● Complete linear Charger in SOP8 Package for
   single Cell Lithium-Ion Batteries.
● Constant-Current/Constant-Voltage operation
   with thermal regulation to maximize Rate
   Without risk of overheating.
● Preset 4.2V charge voltage with ±1% accuracy
● Automatic Recharge
● Two Status Indication for Charge status, no
   battery and battery failure indicators
● C/10 charge termination
● 55μA supply current in shutdown
● 2.9V trickle current charge threshold
● Soft-Start limits inrush current
● Battery Temperature Sensing
● Available in SOP8-PP package

APPLICATIONs
● Cellular Telephones
● Digital Still Cameras
● MP3 Players
● Bluetooth Applications
● Portable Devices
● USB Bus-Powered Chargers