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com STC4054 800mA Standalone linear Li-Ion Battery charger with thermal regulation Feature summary ■ ■ ■ Programmable charge current up to 800mA No external MOSFET, sense resistors or blocking diode required Constant current / constant voltage operation with thermal regulation to maximize charge rate without risk of overheating Charges single cell li-ion batteries directly from USB port Preset 4.
2V charge voltage with 1% accuracy Automatic recharge Single charge status output pin Charge current monitor output for gas gauging C/10 Charge termination 25µA supply current in shutdown mode Low battery voltage detect for precharge setting Soft-start limits inrush current TSOT23-5...

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