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AIC6511

2A 1 Cell Lithium-Ion Battery Switching Charger

FEATURES
  • Complete Switching Charger for 1 Cell Lithium-Ion Battery
  • No External MOSFET, Blocking Diode Required
  • Up to 2A Programmable Charge Current
  • Reverse Leakage Protection Prevents Battery Drainage
  • Integrated Current and Voltage Regulation
  • Charge Operation Indicators
  • Programmable Safety Timer
  • Status Outputs for LED or System Interface Indi-cates Charge and Fault Conditions
  • Battery Insertion and Removal Detection
  • Available in Tiny Thermally Enhanced TSSOP-16E Package
APPLICATIONS
  • Cellular Phones
  • Handheld Devices
  • Digital Still Cameras
  • MP3 Players
  • PDAs
  • Charging Docks and Cradles
  • USB Chargers
DESCRIPTION
The AIC6511 is highly integrated Li-ion and Li-Pol switching charge devices targeted at space limited portable applications. It offers integrated power MOSFETs, reverse blocking protection, high accuracy current and voltage regulation, charge status, and charge termination, in a small package.
The AIC6511 regulates the charge current and bat-tery voltage using two control loops to realize highly accurate constant-current charge and con-stant-voltage charge. A 100% duty cycle can be achieved when battery voltage is close to the input voltage due to the high-side P-Channel MOSFET.
In addition to the standard features, AIC6511 offers a multitude of additional features. These include temperature-sensing input for detecting hot or cold battery packs and programmable safety timer.
TYPICAL APPLICATION


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