General Description:
The CN3059 is a complete constant-current /constant voltage linear charger for single cell LiFePO4 rechargeable batteries. The device contains an on-chip power MOSFET and eliminates the need for the external sense resistor and blocking diode. Its low external component count makes CN3059 ideally suited for portable applications.

FEATUREs:
● Complete Charge Management for Single Cell
   LiFePO4 Battery
● Input voltage range from 3.8V to 6V
● On-chip Power MOSFET
● No external Blocking Diode or Current Sense
   Resistors Required
● Preset 3.6V Regulation Voltage with 1.5%
   Accuracy, adjustable with an external resistor
● Precharge Conditioning for Reviving Deeply
   Discharged Cells and Minimizing Heat
   Dissipation During Initial Stage of Charge
● Programmable Continuous Charge Current Up
   to 1A
● Constant-Current/Constant-Voltage/ConstantTemperature Operation with Thermal
   Regulation to Maximize Charge Rate Without
   Risk of Overheating
● Automatic Low-Power Sleep Mode When Input
   Supply Voltage is Removed
● Status Indication for LEDs or uP Interface
● C/10 Charge Termination
● Automatic Recharge
● Battery Temperature Sensing
● Available in DFN8 Package
● Pb-free, rohs compliant and Halogen free

APPLICATIONs:
● Miners lamp
● LiFePO4 battery applications
● Lead-acid batteries
● A variety of chargers