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AAT3691 Key Features

  • Dual Input USB and AC Adapter Input
  • Programmable Constant Current from 50mA to 0.5A
  • No Battery Present Input Detection
  • 3.0V ~ 6.75V (typical) Input Voltage Range
  • Over-Voltage Input Protection up to 28V
  • High Level of Integration with Internal
  • Power Device
  • Reverse Current Blocking
  • Current Sensing
  • Automatic Recharge Sequencing

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AAT3691 Description

The AAT3691 BatteryManager™ is an integrated single cell Lithium-Ion (Li-Ion) battery charger IC, designed to operate from USB ports, AC adapter inputs, or from a cellular phone charger adapter up to an input voltage of typical 6.75V. For increased safety, The AAT3691 also includes over-voltage input protection (OVP) up to 28V. The AAT3691 precisely regulates battery charge voltage and current for 4.2V Li-Ion...