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TC3827 - Lithium-Ion Battery Charger

General Description

The TC3827 is a battery charger controller for a single cell Li-Ion battery.

Using an external PMOS transistor, safe and fast charging of a single Li-Ion cell is accomplished.

Key Features

  • s s s s s s s s s Low Power Dissipation Shutdown Current: 1µA (Typical) Space-Saving 8-Pin MSOP Package No Inductor Required 1% Overall System Accuracy Charge Current Monitor Output Charge Status Indicator Output Foldback Current Limiting.
  • 20°C to +85°C Ambient Operating Temperature Range.

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TC3827 Lithium-Ion Battery Charger FEATURES s s s s s s s s s Low Power Dissipation Shutdown Current: 1µA (Typical) Space-Saving 8-Pin MSOP Package No Inductor Required 1% Overall System Accuracy Charge Current Monitor Output Charge Status Indicator Output Foldback Current Limiting –20°C to +85°C Ambient Operating Temperature Range GENERAL DESCRIPTION The TC3827 is a battery charger controller for a single cell Li-Ion battery. Using an external PMOS transistor, safe and fast charging of a single Li-Ion cell is accomplished. Features include over-current foldback, charge current monitor, and charge status LED indicator output. An overall system accuracy of 1% ensures that the cell capacity is fully utilized without cycle life degradation. An external resistor sets charge current.