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RT9471 – RT9471D

Simplified application circuit of RT9471D

Switching Battery Charger for Single Cell Li-Ion/Li-Po Battery

  • Buck & Boost charger function
  • Up to 92% efficiency
  • Built-in power MOSFETs
  • I2C serial interface to control charging settings
  • Supporting USB OTG (On-The-Go)
  • Input voltage range: 3.9V to 13.5V
  • Charging voltage of up to 4.7V supporting a wide range of Li-batttery types
  • Charge current configurable up to 3.15A
  • RT9471 with power good indicator
  • RT9471A without power good indicator

Best paired with RICHTEK’s RT6160A low quiescent current buck-boost converter

Application area: personal information appliances, portable devices, and accessories

Datasheet: RT9471/D – RICHTEK

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WQFN-24L 4×4
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