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XC6801 - 1 Cell Li-ion Battery Linear Charger

General Description

The XC6801 series is a constant-current/constant-voltage linear charger IC for single cell Lithium-ion and Lithium polymer batteries.

Key Features

  • rating Voltage Range : 4.25V ~ 6.0V Charge Current (externally set) : 100mA (MAX. ) @ LIM pin=L 500mA (MAX. ) @ LIM pin=H Charge Termination Voltage : 4.2V ±0.7% Trickle Charge Voltage : 2.9V ±3% Supply Current (Stand-by) : 12μA (TYP. ) Operating Ambient Temperature : - 40℃~ + 85℃ Packages : SOT-89-5, SOT-25, USP-6C Constant-current/constant-voltage operation with thermal shutdown Automatic recharge Charge status output pin Soft-start function (Inrush limit current) Environmentally F.

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Full PDF Text Transcription (Reference)

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XC6801 Series 500mA 1 Cell Li-ion and Li-Po Battery Linear Charger IC with Constant-Current/Constant-Voltage ETR2502-006 ■GENERAL DESCRIPTION The XC6801 series is a constant-current/constant-voltage linear charger IC for single cell Lithium-ion and Lithium polymer batteries. The XC6801 includes a reference voltage source, battery voltage monitor, driver transistor, constant-current/constant-voltage charge circuit, overheat protection circuit and phase compensation circuit. The battery charge termination voltage is internally set to 4.2V ±0.7% and the trickle charge voltage and accuracy is 2.9V ±3%. In trickle charge mode, a safe Lithium-ion and Lithium polymer battery charge is possible because approximately only 1/10 of the full charge current is supplied to the battery.