IT4054
Description
IT4054 is a plete constant-current & Constant voltage linear charge for single cell Lithium-ion and Lithium-Polymer batteries. Its Make IT4054 ideally suited Applications. Furthermore. for portable
Features
- Programmable Charge Current Up to 800m A.
- No MOSFET,Sense Resistor or Blocking Diode Required.
- Constant-Current/Constant-Voltage Operation with Thermal Protection to Maximize Charge Rate without Risk of Overheating.
- Charges Single Cell Li-lon Batteries Directly from USB Port.
- Preset 4.2V Charge Voltage with ±1% Accuracy.
- 25u A Supply Current in Shutdown
- 2.9V Trickle Charge Threshold
- Available Without Trickle Charge
- Soft-Start Limits Inrush Current
- Available in 5-Lead SOT-23 Package
The IT4054 is Specifically designed to work within USB Power sprcification. At the same time, IT4054 Can also be used in the standalone lithium
- Ion And Lithium-polymer battery charger. No external sense resistor is needed, and No Blocking diode is required due to the...