(China (Mainland))
Product Summary
The LTC4054ES5-4.2 is a complete constant-current/constant voltage linear charger for single cell lithium-ion batteries. Its ThinSOT package and low external component count make the LTC4054ES5-4.2 ideally suited for portable applications. Furthermore, the LTC4054ES5-4.2 is specifically designed to work within USB power specifications. The applications of the device include Cellular Telephones, PDAs, MP3 Players, Charging Docks and Cradles and Bluetooth Applications.
Parametrics
LTC4054ES5-4.2 absolute maximum ratings: (1)Input Supply Voltage (VCC): –0.3V to 10V; (2)PROG: – 0.3V to VCC + 0.3V; (3)BAT: –0.3V to 7V; (4)CHRG: –0.3V to 10V; (5)BAT Short-Circuit Duration: Continuous; (6)BAT Pin Current: 800mA; (7)PROG Pin Current: 800mA; (8)Maximum Junction Temperature: 125℃; (9)Operating Ambient Temperature Range: –40 to 85℃; (10)Storage Temperature Range: –65 to 125℃; (11)Lead Temperature (Soldering, 10 sec): 300℃.
Features
LTC4054ES5-4.2 features: (1)Programmable Charge Current Up to 800mA; (2)No MOSFET, Sense Resistor or Blocking Diode Required; (3)Complete Linear Charger in ThinSOTTM Package for Single Cell Lithium-Ion Batteries; (4)Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating; (5)Charges Single Cell Li-Ion Batteries Directly from USB Port; (6)Preset 4.2V Charge Voltage with ±1% Accuracy; (7)Charge Current Monitor Output for Gas Gauging; (8)Automatic Recharge; (9)Charge Status Output Pin; (10)C/10 Charge Termination; (11)25mA Supply Current in Shutdown; (12)2.9V Trickle Charge Threshold; (13)Available Without Trickle Charge; (14)Soft-Start Limits Inrush Current; (15)Available in 5-Lead SOT-23 Package.
Diagrams
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 LTC4054ES5-4.2#TR |
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IC CHARGR BATTERY L-ION TSOT23-5 |
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LTC4054ES5-4.2#TRM |
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IC CHARGR BATTERY L-ION TSOT23-5 |
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LTC4054ES5-4.2#TRMPBF |
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IC CHARGR BATTERY L-ION TSOT23-5 |
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LTC4054ES5-4.2#TRPBF |
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IC CHARGR BATTERY L-ION TSOT23-5 |
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