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LTC4055 - USB Power Controller and Li-Ion Linear Charger

General Description

n Charges Single-Cell Li-Ion Batteries Directly from USB Port n Load Dependent Charging Guarantees USB Input Current Compliance n Automatic Battery Switchover When Input Supply is Removed n Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charging Rate Without Risk of O

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LTC4055/LTC4055-1 USB Power Controller and Li-Ion Charger FEATURES DESCRIPTION n Charges Single-Cell Li-Ion Batteries Directly from USB Port n Load Dependent Charging Guarantees USB Input Current Compliance n Automatic Battery Switchover When Input Supply is Removed n Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charging Rate Without Risk of Overheating* n Selectable 500mA/100mA Current Limit n Low Loss Full PowerPath™ Control with Ideal Diode Operation (Reverse Current Blocking) n Preset 4.2V Charge Voltage with 0.8% Accuracy (4.1V for LTC4055-1) n 4.