Part Name
LP28292-QVF
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Lowpower Semiconductor inc
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LP28292-QVF Datasheet - Lowpower Semiconductor inc
Lowpower Semiconductor inc
General Description
The LP28292 is a complete constant-current/ constant-voltage linear charger for single cell lithium-ion batteries. Its TDFN-10 package and low external component count make the LP28292 ideally suited for portable applications. Furthermore, the LP28292 is specifically designed to work within USB power specifications. Its have a over voltage protection in input with 6.5V and support over zero voltages of battery can charge enable.
Features
● Very Low Power Dissipation
● Vin Over Voltage Protection:6V
● Short-circuit protection
● Programmable Charge Current Up to 1500mA
● No MOSFET, Sense Resistor or Blocking Diode
Required
● Constant-Current/Constant-Voltage Operation with
Thermal Regulation* to Maximize Charge Rate Without
Risk of Overheating
● Charges Single Cell Li-Ion Batteries Directly from USB
Port
● 25µA Supply Current in Shutdown
● Time Pre-charge Conditioning With Safety Timer
Reverse Leakage Protection Prevents Battery
● Drainage Charge Current Thermal Regulation Status
Outputs for LED or System Interface
● Indicates Charge and Fault Conditions
● Optional Battery Temperature Monitoring Before and
During Charge Automatic Sleep Mode for Low-Power
● Consumption Available in 3mm × 3mm TDFN-10
Package
● RoHS Compliant and 100% Lead (Pb)-Free
Applications
✧ Portable Media Players/MP3 players
✧ Cellular and Smart mobile phone
✧ PDA/DSC
✧ Bluetooth Applications
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