Specifications:
No MOSFET, Sense Resistor or Blocking Diode Required
Complete Linear Charger in SOP-8 Package for Single Cell Lithium-Ion Batteries
Constant-Current/Constant-Voltage Charges Single Cell Li-Ion Batteries Directly from USB Port
Preset 4.2V Charge Voltage with 1.5% Accuracy
Two Charge Status Output PinsC/10 Charge Termination
2.9V Trickle Charge Threshold (TP4056)
Soft-Start Limits Inrush Current