LTC4062EDD#PBF

LTC4062 is a full-featured, flexible, standalone linear charger for single-cell Lithium-ion batteries. It is capable of operating within USB power specifications. 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. A precise low power comparator is available even with no power applied as long as battery voltage is higher than 2.5V. Additional safety features designed to maximize battery lifetime and reliability include the smart-start charging algorithm. No external sense resistor or external blocking diode is required for charging due to the internal MOSFET architecture. It is used in applications such as handheld computers, portable MP3 players, digital cameras etc.

• Charge current programmable upto 1A
• Charges single-cell Li-ion batteries directly from USB port
• Preset float voltage with ±0.35% accuracy
• Micropower comparator for battery monitoring
• Thermal regulation maximizes charge rate without risk of overheating
• Programmable charge current detection/ termination
• Programmable charge termination timer
• Smart pulsing error feature, SmartStart™ prolongs battery life
• Input supply voltage from 4.3V to 8V, input supply current is 240µA typical
• Operating temperature range from -40°C to 85°C, package style is 10-lead plastic DFN

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