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LP4069QVF Datasheet(PDF) 1 Page - Lowpower Semiconductor inc |
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LP4069QVF Datasheet(HTML) 1 Page - Lowpower Semiconductor inc |
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1 / 8 page  LP4069-01 Oct.-2019 Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 1 of 8 Preliminary Datasheet LP4069 800mA Single Chip Li-Ion and Li-Polymer Charger General Description The LP4069 is a complete constant-current/ constant voltage linear charger for single cell lithium-ion battery. Its SOT23-6/TDFN-8 package and low external component count make the LP4069 ideally suited for portable applications. 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 ISET programmed externally with a single resistor. The LP4069 automatically terminates the charge cycle when the charge current drops to 1/10 setting current value after the final float voltage is reached. When the input supply is removed, the LP4069 automatically enters a low current state, dropping the battery drain current to less than 1µA. Other features include charge current monitor, under voltage lockout, automatic recharge and a status pin. Order Information LP4069 F: Pb-Free Package Type B6: SOT23-6 QV: TDFN-8 Features Input Voltage up to 28V Input Over Voltage Protection：7V Short-circuit protection Programmable Charge Current up to 800mA 1µA Battery Reverse Current Protection of Reverse Connection of Battery No MOSFET, Sense Resistor or Blocking Diode Required Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating SOT23-6/TDFN-8（2*2mm） Package RoHS Compliant and 100% Lead (Pb)-Free Applications Portable Media Players/Game Power Bank Bluetooth Applications PDA/MID Marking Information Device Marking Package Shipping LP4069B6F LP4069 YWX SOT23-6 3K/REEL LP4069QVF LP4069 YWX TDFN-8 4K/REEL Marking indication: Y:Production year W:Production week X: Series Number |
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