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RT9470G - 3A Single Cell Switching Battery Charger

Datasheet Summary

Description

The RT9470G device are a highly-integrated 3A switch mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery.

Features

  • High Efficiency, 1.5MHz, Synchronous Switch-Mode Buck Charger.
  • 92% Charge Efficiency at 2A from 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 preview – RT9470G

Datasheet Details

Part number RT9470G
Manufacturer Richtek
File Size 1.63 MB
Description 3A Single Cell Switching Battery Charger
Datasheet download datasheet RT9470G Datasheet
Additional preview pages of the RT9470G datasheet.

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Full PDF Text Transcription

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RT9470G 3A Single Cell Switching Battery Charger 1 General Description The RT9470G device are 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. The recommended junction temperature range is −40C to 125C, and the ambient temperature range is −40C to 85C. 2 Applications ⚫ Smart Phone/Tablet PC ⚫ Personal Information Appliances ⚫ Portable Device and Accessory 3 Ordering Information RT9470G Package Type WSC: WL-CSP-30B 2.1x2.
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