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RT9472 - 3A Single Cell Switching Battery Charger

General Description

The RT9472/D is a highly-integrated 3A switch mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery.

Key Features

  • High Efficiency, 1.5MHz, Synchronous SwitchMode Buck Charger.
  • 92% Charge Efficiency at 2A with 5V Input and 3.8V Battery.
  • Support 3.9V to 13.5V Input Voltage Range.
  • Average Input Current Regulation (AICR).
  • Minimum Input Voltage Regulation (MIVR).
  • Minimum Input Voltage Regulation Track (MIVR Track).
  • Charge Current Regulation (CCR).
  • Charge Voltage Regulation (CVR).
  • Charge Voltage Regulation Track (CVR Track).
  • Junction Thermal Regulation (JTR).

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Datasheet Details

Part number RT9472
Manufacturer Richtek
File Size 2.74 MB
Description 3A Single Cell Switching Battery Charger
Datasheet download datasheet RT9472 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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RT9472/D 3A Single Cell Switching Battery Charger General Description The RT9472/D is a highly-integrated 3A switch mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase. The I2C serial interface with charging and system settings makes the device a truly flexible solution.