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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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LP28019B Arkusz danych(PDF) 1 Page - Lowpower Semiconductor inc |
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LP28019B Arkusz danych(HTML) 1 Page - Lowpower Semiconductor inc |
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1 / 7 page  LP28019B LP28019B – 01 Aug-2017 Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 1 of 7 1A Single Chip Li-Ion and Li-Polymer Charger General Description The LP28019B is a complete constant-current/ constant voltage linear charger for single cell lithium-ion battery. Its ESOP8 package and low external component count make the LP28019B 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 LP28019B 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 LP28019B 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 to indicate charge termination and the presence of an input voltage. Order Information LP28019B □ □ □ □ F: Pb-Free Package Type SP: ESOP8 Charge Voltage Default：4.2V Applications Portable Media Players/Game Power Bank Bluetooth Applications PDA/MID Features input voltage up to 28V input Over Voltage Protection：7V Short-circuit protection Programmable Charge Current:300mA to 1000mA < 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 ESOP8 Package RoHS Compliant and 100% Lead (Pb)-Free Typical Application Circuit CHRG GND LP28019B Battery VIN 1K LED2 BAT NC COV 10uF ISET RISET CIN 1uF VIN 1 5 8 2 4 3/6/7 Marking Information Device Marking Package Shipping LP28019BSPF LPS LP28019B YWX ESOP8 4K/REEL Marking indication: Y:Production year W:Production week X: Series Number |
Podobny numer części - LP28019B |
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Podobny opis - LP28019B |
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