Linear Charger

LP28011-Linear Charger
1000Charge Current(mA):
4.5-12.0Input Voltage(V):
4.2Battery Voltage (V) :
-Temperature Monitor:
1State Monitor:
1.2A Large Current,High Vin Voltage,Low Cost,OTP,OVP,OCPSpecial Features:

1A Single Chip Li-Ion and Li-Polymer Charger

General Description

The LP28011 is a complete constant-current / constant-voltage linear charger for single cell lithium-ion battery. Its TDFN-10 package and low external component count make the LP28011 ideally suited for portable applications. No external sense resistor is needed, and no blocking diode is required due to the internal MOSFET architecture. The charge voltage is fixed at 4.2V, and the charge current can be programmed externally with a single resistor(RISET). The LP28011 automatically terminates the charge cycle when the charge current drops to 1/10 setting current value after the final float voltage is reached. When the input supply is removed, the LP28011 automatically enters a low current state, dropping the battery drain current to less than 1μA.


 Portable Media Players/Game
 Power Bank
 Bluetooth Applications



 Input Voltage up to 12V
 Input Over Voltage Protection: 7V
 Short-circuit Protection
 Programmable Charge Current up to 1000mA
 < 1μA Battery Reverse Current
 Protection of Reverse Connection of Battery
 No MOSFET, Sense Resistor or Blocking Diode
 Constant-Current/Constant-Voltage Operation
with Thermal Regulation to Maximize Charge
Rate Without Risk of Overheating
 TDFN-10 Package
 RoHS Compliant and 100% Lead (Pb)-Free

Marking Information

Please see specification. 
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