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                                                            • TD9056

                                                            • TD9056  1A Standalone Linear Li-lon Battery Charger with Thermal Regulation

                                                              (DATASHEET)


                                                              The TD9056 is a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries. Its SOP package and low external component count make the TD9056 ideally suited for portable applications. Furthermore, the TD9056 can work within USB and wall adapter. No blocking diode is required due to the internal PMOSFET architecture and have prevent to negative Charge Current Circuit. 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 TD9056 automatically terminates the charge cycle when the charge current drops to 1/10th the programmed value after the final float voltage is reached.
                                                              TD9056 Other features include current monitor, under voltage lockout, automatic recharge and two status pin to indicate charge termination and the presence of an input voltage.
                                                               

                                                              Features

                                                              Programmable Charge Current Up to 1000mA

                                                              No MOSFET, Sense Resistor or Blocking Diode Rquired

                                                              Complete Linear Charger in SOP8-PP Package for Single Cell

                                                              Lithium-Ion Batteries

                                                              Constant-Current/Constant-Voltage

                                                              Charges Single Cell Li-Ion Batteries Directly from USB Port

                                                              Preset 4.2V Charge Voltage with 1.5% Accuracy

                                                              Automatic Recharge

                                                              Charge Status Output Pins

                                                              C/10 Charge Termination

                                                              2.9V Trickle Charge Threshold 

                                                              Soft-Start Limits Inrush Current

                                                              Available Radiator in SOP8-PP Package, the Radiator need connect GND or impending

                                                              Applications

                                                              Cellular Telephones, PDAs, GPS

                                                              Charging Docks and Cradles

                                                              Digital Still Cameras, Portable Devices

                                                              USB Bus-Powered Chargers, Chargers

                                                             
                                                            湖北十一选五任三复式中奖表

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