Datasheet Details
| Part number | LTC4055-1 |
|---|---|
| Manufacturer | Linear Technology (now Analog Devices) |
| File Size | 287.21 KB |
| Description | USB Power Controller and Li-Ion Linear Charger |
| Datasheet | LTC4055-1 LTC4055 Datasheet (PDF) |
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Overview: LTC4055/LTC4055-1 USB Power Controller and Li-Ion Charger.
This datasheet includes multiple variants, all published together in a single manufacturer document.
| Part number | LTC4055-1 |
|---|---|
| Manufacturer | Linear Technology (now Analog Devices) |
| File Size | 287.21 KB |
| Description | USB Power Controller and Li-Ion Linear Charger |
| Datasheet | LTC4055-1 LTC4055 Datasheet (PDF) |
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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 4.1V Float Voltage (LTC4055-1) Improves Battery Life and High Temperature Safety Margin n USB-Compliant Suspend Mode n Programmable Charge Current and Termination Timer n Soft-Start Limits Inrush Current n NTC Thermistor Input for Temperature Qualified Charging n Tiny (4mm × 4mm × 0.75mm) QFN Package APPLICATIONS n Portable USB Devices: Cameras, MP3 Players, PDAs L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
PowerPath is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
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