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APW7262 : 3MHz Synchronous Switch-Mode Battery Charger with USB Compliance/USB-OTG Boost Regulator

Feature

· Charge Faster Than Linear Charger
· 3MHz with 0% to 99.5% Duty Cycle Synchronous Switch-Mode Charger with 1.5A Integrated 
  N-MOSFETs
· 4V-6V Input Operating Range
· 20V Absolute Maximum Input Voltage
· Safety
   -Reverse leakage protection to prevent battery drainage
   -Thermal regulation and protection
   -Input/output over-voltage protection
   -Cycle-by-cycle current limit
· Accuracy
   -+1% charge voltage regulation (0 to 85oC)
   -+5% charge current regulation
   -+5% input current regulation (100mA and 500mA)
· Built-In Input Current Sensing and Limiting
· Automatic Charging
· Programmable Through High-Speed I²C Interface(3.4Mb/s)
   -Input Current Limit
   -Fast-Charge and Termination Current
   -Charge Regulation Voltage
   -Weak Battery Voltage Threshold
   -VIN DPM Threshold
   -Termination Enable/Disable
   -OTG Enable/Disable
   -Reset All Parameter Control
   -Safety Timer with Reset Control
· 5V, 500mA Boost Mode for USB OTG for 2.5V to 4.5V Battery Input
· Available in 1.7mmx2.1mm WLCSP-20 and TQFN4x4-20A Packages

Application

· Cell Phones, Smart Phones and PDAs
· Tablet PC
· Portable Media Players, Handheld Device