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RT9470D - 3A Single Cell Switching Battery Charger

Download the RT9470D datasheet PDF. This datasheet also covers the RT9470 variant, as both devices belong to the same 3a single cell switching battery charger family and are provided as variant models within a single manufacturer datasheet.

General Description

The RT9470/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 batteries.

Key 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).

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (RT9470-Richtek.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number RT9470D
Manufacturer Richtek
File Size 2.17 MB
Description 3A Single Cell Switching Battery Charger
Datasheet download datasheet RT9470D 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.

View original datasheet text
RT9470/D 3A Single Cell Switching Battery Charger 1 General Description The RT9470/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 batteries. 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 150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 RT9470/D Package Type(1) WSC: WL-CSP-30B 2.1x2.