The TC3827 is a battery charger controller for a singlecell Li-Ion battery. Using an external PMOS transistor, safeand fast charging of a single Li-Ion cell is accomplished.Features include over-current foldback, charge currentmonitor, and charge status LED indicator output. An overallsystem accuracy of 1% ensures that the cell capacity is fullyutilized without cycle life degradation. An external resistorsets charge current.The TC3827 operates with an input voltage range from4.5V to 5.5V. It is specified over the ambient operatingtemperature range of –20°C to +85°C and is available in aspace-saving 8-Pin MSOP.
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