器件名称:
TC3405A
功能描述:
Standalone Linear Li-lon Battery Charger with Thermistor Input
文件大小:
665.38KB 共20页
简 介:
LTC4061 Standalone Linear Li-Ion Battery Charger with Thermistor Input FEATURES ■ ■ DESCRIPTIO ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Charge Current Programmable up to 1A Charges Single Cell Li-Ion Batteries Directly from USB Port Preset Charge Voltage with ±0.35% Accuracy Thermistor Input for Temperature Qualied Charging Input Supply Present Logic Output Thermal Regulation Maximizes Charge Rate Without Risk of Overheating* Programmable Charge Current Detection/ Termination Programmable Charge Termination Timer Smart Pulsing Error Feature SmartStartTM Prolongs Battery Life 20A Charger Quiescent Current in Shutdown Available in a Low Prole (0.75mm) 10-Lead (3mm × 3mm) DFN Package The LTC4061 is a full-featured, exible, standalone linear charger for single-cell Lithium-Ion batteries. It is capable of operating within USB power specications. Both programmable time and programmable current based termination schemes are available. Furthermore, the CHRG open-drain status pin can be programmed to indicate the battery charge state according to the needs of the application. Additional safety features designed to maximize battery lifetime and reliability include NTC battery temperature sensing and the SmartStartTM charging algorithm. No external sense resistor or external blocking diode is required for charging due to the internal MOSFET architecture. Internal thermal feedback regulates the charge current to maintain a constant die temperature during high power operation or high ambient temperatur……
