LP4060/A-Linear Charger

产品型号 充电电流(mA) 输入电压(V) 电池电压(V) 电池节数 工作模式 温度检测 状态指示 特征 封装 规格书
LP4060/A 800 3.9-10 4.2 1 CC/CV - 1 CTC,Low size,OTP SOT23-5

800mA Linear Li-Ion Battery Charger

General Description

The LP4060A is a complete constant-current/constant- voltage linear charger for single cell lithium-ion batteries. Its SOT23-5 package and low external component count make the LP4060A ideally suited for portable applications. Furthermore, the LP4060A is specifically designed to work within USB power specifications. No external sense resistor is needed, and no blocking diode is required due to the internal MOSFET architecture. Thermal feedback regulates the charge current to limit the die temperature during high power operation or high ambient temperature. The charge voltage is fixed at 4.2V, and the charge current can be programmed externally with a single resistor. The LP4060A automatically terminates the charge cycle when the charge current drops to 1/10th the programmed value after the final float voltage is reached. When the input supply (wall adapter or USB supply) is removed, the LP4060A automatically enters a low current state, dropping the battery drain current to less than 0.1μA. Other features include charge current monitor, automatic recharge and a status pin to indicate charge termination and the presence of an input voltage.


 Portable Media Players/MP3 players
 Cellular and Smart mobile phone
 Bluetooth Applications



 Programmable Charge Current Up to 800mA
 No MOSFET, Sense Resistor or Blocking Diode Required
 Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize
 Charge Rate Without Risk of Overheating
 4.2V/4.35V Charge Voltage with ± 1% Accuracy
 Charge Current Monitor Output for Gas Gauging
 Automatic Recharge
 2.9V Trickle Charge Threshold
 C/10 Charge Termination
 0.1uA Supply Current in Shutdown
 Output OCP
 Charging OTP

Marking Information

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