Datasheet Details
| Part number | HM4057D |
|---|---|
| Manufacturer | H&Msemi |
| File Size | 161.49 KB |
| Description | Standalone Linear Li-Lon Battery Charger |
| Datasheet |
 HM4057D Datasheet
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General Description
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.
Key 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 Voltage with 1% Accuracy Automatic Recharge 65uA Supply Current in Shutdown 2.9V Trickle Charge Threshold Available in 6-Lead SOT-23 Package.