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BL4054 Datasheet

Part Number BL4054
Manufacturers Shanghai Belling
Logo Shanghai Belling
Description 800mA Standalone Linear Li-Ion Battery Charger
Datasheet BL4054 DatasheetBL4054 Datasheet (PDF)

BL4054 800mA Standalone Linear Li-Ion Battery Charger with Thermal Regulation in Thin SOT FEATURES z DESCRIPTION The BL4054 is a complete constant-current / constant voltage linear charger for single cell Lithium-Ion batteries. No external sense resistor is needed, and no blocking diode is required due to the internal MOSFET architecture. Thermal feedback regulates the charge current to limit the die temperature during high power operation or high ambient temperature. The charge voltage is fix.

  BL4054   BL4054






Part Number BL4056
Manufacturers BELLING
Logo BELLING
Description 1A Lithium Ion Battery Linear Charger
Datasheet BL4054 DatasheetBL4056 Datasheet (PDF)

BL4056 1A Lithium Ion Battery Linear Charger BL4056 General Description BL4056 is a complete constant-current/constant voltage linear charger for single cell lithium-ion batteries. With a thermally enhanced 8-PIN SOP package on the bottom and low external component count make the BL4056 ideally suited for portable applications. Furthermore the BL4056 is specifically designed to work within USB power specifications. No external sense resistor is needed and no blocking diode is required due to th.

  BL4054   BL4054







Part Number BL4054B
Manufacturers BELLING
Logo BELLING
Description 800mA Standalone Linear Li-Ion Battery Charger
Datasheet BL4054 DatasheetBL4054B Datasheet (PDF)

BL4054/BL4054B 800mA Standalone Linear Li-Ion Battery Charger with Thermal Regulation in SOT23-5/TSOT23-5 FEATURES Programmable Charge Current Up to 800mA No MOSFET, Sense Resistor or Blocking Diode Required Preset 4.2V Charge Voltage with ±1% Accuracy Charge Current Monitor Output for Gas Gauging Thermal Regulation Maximizes Charge Rate Without Risk of Overheating Charges Single Cell Li-Ion Batteries Directly from USB Port Over-Voltage Protect Automatic Recharge Charge Status Output Pin C/10 C.

  BL4054   BL4054







800mA Standalone Linear Li-Ion Battery Charger

BL4054 800mA Standalone Linear Li-Ion Battery Charger with Thermal Regulation in Thin SOT FEATURES z DESCRIPTION The BL4054 is a complete constant-current / constant voltage linear charger for single cell Lithium-Ion batteries. No external sense resistor is needed, and no blocking diode is required due to the internal MOSFET architecture. 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 BL4054 automatically terminates the charge cycle when the charge current drops to 1/10 the programmed value after the final float voltage is reached. When the input supply (wall adapter or USB supply) is removed, the BL4054 automatically enters a low current state, dropping the battery drain current to less than 2μΑ. The BL4054 can be put into shutdown mode, reducing the supply current to 25μA. Other features include charge current monitor, under-voltage lockout, automatic recharge and a status pin to indicate charge termination and the presence of an input voltage. z z z z z z z z z z z z z Programmable Charge Current Up to 800mA No MOSFET, Sense Resistor or Blocking Diode Required Preset 4.2V Charge Voltage with ±1% Accuracy Charge Current Monitor Output for Gas Gauging Thermal Regulation Maximizes Charge Rate Without Risk of Overheating Charges Single Cell Li-Ion Batteries Directly fro.


2011-06-13 : LS3954A    LS3955    LS3956    LS3958    LS3N163    LS3N164    LS3N165    LS3N166    LS3N170    LS3N171   


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