AIT Semiconductor Battery Management A4056BE5VR – IC-3576-D

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The A4056B is a complete constant-current /constant-voltage linear charger for single cell lithium-ion batteries. Its SOT package and low external component count make the A4056B ideally suited for portable applications especially in USB power specifications. Internal MOSFET architecture makes A4056B no external sense resistor needed, and no blocking diode is required. Thermal feedback regulates the charge current to limit the die temperature during high power operation or high ambient temperature. The charge voltage is fixed at 4.2V, and the charge current can be programmed externally with a single resistor. The A4056B automatically terminates the charge cycle when the charge current drops to 1/10th the programmed value after the final float voltage is reached.

A4056BE5VR Specification:-
Programmable Charge Current Up to 500mA
No MOSFET, Sense Resistor or Blocking Diode Required
Complete Linear Charger in SOT Package for single Cell Lithium-Ion Batteries
Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating
Charges Single Cell Li-Ion Batteries Directly from USB Port
Preset 4.2V Charge Voltage with ±1% Accuracy
Charge Current Monitor Output for Gas Gauging
Automatic Recharge
Charge Status Output Pin

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Attachment:-
AIT Semiconductor A4056BE5VR Datasheet

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