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Linear Technology introduces the LTC4061-4.4, a compact standalone linear 1-cell 4.375 V (4.4 V maximum) Li-Ion battery charger with features that improve charging safety, simplify charge termination and status reporting, and prolong battery life. For safety, the device is equipped with a thermistor interface for temperature qualified charging, an adjustable timer as a backup charge termination, and precision float voltage to prevent cell overcharging. To eliminate the risk of overheating while charging at maximum rate, a patented thermal regulation circuit keeps the charger’s junction temperature at a safe level. The device’s I/O pins report the state-of-charge during trickle, normal and end-of-charge modes and indicate the presence of an AC adapter or faulty battery. The device eliminates unnecessary re-charge cycles with its SmartStart™ feature.

Linear Technology Corporation

Linear Technology Corporation
http://www.linear.com