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ETA6937

12V/3A Switching Li+Battery Charger and 5V/1A OTG with I2C Control

The ETA6937 is a new generation of highly integrated synchronous switchmode charger, featuring integrated FETs and small external components, targeted at extremely space-limited portable applications powered by 1-cell Li-Ion or Li-polymer battery pack. Unlike previous generation of charging ICs (BQ2415X and FAN54015 etc.) that can barely deliver charge cu...

一般应用
特征
  • Up to 3A Max charging current Switching Charger
  • 93% Charging Efficiency at 5V input 2A CC current
  • 12V Input operating voltage
  • 20V Maximum Input standoff voltage
  • No External Sense resistor
  • Integrate linear charger for accurate Iterm control
  • Input DPPM
  • Input current limiting
  • Bad Adaptor detection
  • No-Battery detection
  • Safety limit register for Vcharge and Icharge limits
  • Programmable charging parameters through I2C
  • Status Output for charging and faults
  • 5V OTG boost mode up to 1A output current
  • Input OVP
  • Reverse leakage protection for Battery
  • Boost output current limiting

 

应用
  • Smart Phone
  • Tablet, MID
  • Power Bank