HM4057D - Standalone Linear Li-Lon Battery Charger
The HM4057' is a complete constant-current/ constant voltage linear charger for single cell lithium-ion batteries.
Its package and low external component count make the HM4057' ideally suited for portable applications.
Furthermore.
No external sense resistor is needed, and no blocking diode is requi
HM4057D Features
* Programmable Charge Current Up to 800mA No MOSFET, Sense Resistor or Blocking Diode Required Complete Linear Charger for Single Cell Lithium-Ion Batteries Constant-Current/Constant-Voltage Operation with Thermal Regulation
* to Maximize Charge Rate Without Risk of Overheating Preset 4.2V Charge
