CXCH76027 Single Cell Li-Ion Battery Linear Charger the charge current is programmable by an external resistor up to 2A. After the final regulation voltage is reached and the charge current drops to t

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The CXCH76027 is a complete standalone linear Li-Ion battery charger with a complete pre-charge, constantcurrent and constant-voltage charge loop. No external power MOSFET, sense resistor and blocking diode is required due to internal power MOSFET architecture. The charge voltage is regulated at 4.2V, and the charge current is programmable by an external resistor up to 2A. After the final regulation voltage is reached and the charge current drops to the programmed end-of-charge current, the open drain NMOS STATUS pin would be turn off automatically and the charge loop would be terminated after timeout. Other features include under voltage lockout, automatic recharge, an NTC thermistor interface for charging the battery in a safe range, over temperature protection and two charge status indication pins.

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„ No External Power MOSFET, Sense Resistor or Blocking Diode Required ILu嘉泰姆

„ 1% Regulation Voltage Accuracy ILu嘉泰姆

„ Charge Single Cell Li-ion Battery from AC Adapter or USB Port ILu嘉泰姆

„ Programmable Constant Charge Current Limit up to 2A ILu嘉泰姆

„ Automatic Recharge ILu嘉泰姆

„ Complete Pre-Charge, Constant Current, Constant Voltage and Charge Termination Charge Procedure ILu嘉泰姆

„ NTC Thermistor Interface for Battery Temperature Detection ILu嘉泰姆

„ Internal input Overvoltage Lockout Protection Circuit (VIN >6.5V) ILu嘉泰姆

„ Support for 5V Power Supply Voltage ILu嘉泰姆

„ Internal Thermal Protection Circuit ILu嘉泰姆

„ TDFN3X3-10, TQFN3X3-16 and TQFN4X4-16 Package AvailableILu嘉泰姆

   应用范围 返回TOPILu嘉泰姆

„ MP3 Players ILu嘉泰姆

„ Cellular Phones ILu嘉泰姆

„ PDAs ILu嘉泰姆

„ Hand-Held DevicesILu嘉泰姆

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