Standalone Linear Li-Lon Battery Charger with Thermal Regulation CXLB7251D is a complete constant-current/ constant voltage linear charger for single cell lithium-ion batteries.

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The CXLB7251D is a complete constant-current/ constant voltage linear charger for single cell lithium-ion batteries. Its package and low external component count make the CXLB7251D ideally suited for portable applications. Furthermore. 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 CXLB7251D automatically terminates the charge cycle when the charge current drops to 1/10th the programmed value after the final float voltage is reached. The CXLB7251Dconverters are available in the industry standard SOT-23-6 power packages (or upon request).

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Programmable Charge Current Up to 800mAYOn嘉泰姆

 
No MOSFET, Sense Resistor or Blocking Diode RequiredYOn嘉泰姆

 
Complete Linear Charger for Single Cell Lithium-Ion Batteries
         Constant-Current/Constant-Voltage Operation with Thermal Regulation* to Maximize Charge RateYOn嘉泰姆

 
Without Risk of OverheatingYOn嘉泰姆

 
Preset 4.2V Charge Voltage with 1% Accuracy
Automatic Recharge
65uA Supply Current in ShutdownYOn嘉泰姆

 
2.9V Trickle Charge ThresholdYOn嘉泰姆

 
Available in 6-Lead SOT-23 Package   应用范围 返回TOPYOn嘉泰姆

Charger for Li-Ion Coin Cell BatteriesYOn嘉泰姆

 
Portable MP3 Players, Wireless HeadsetsYOn嘉泰姆

 
Bluetooth Applications
Multifunction WristwatchesYOn嘉泰姆

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