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RT9427 - System Side Single Cell Fuel Gauge

General Description

The RT9427 Li-Ion/Li-Polymer battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell battery packs.

The RT9427 resides within the system's main board and manages a nonremovable battery or removable battery pack.

Key Features

  • Support System Side Fuel Gauging.
  • Battery Fuel Gauge for 1-Series (1sXp) Li-Ion/Li-Polymer.

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Datasheet Details

Part number RT9427
Manufacturer Richtek
File Size 0.99 MB
Description System Side Single Cell Fuel Gauge
Datasheet download datasheet RT9427 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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RT9427 5A System Side Single Cell Fuel Gauge General Description The RT9427 Li-Ion/Li-Polymer battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell battery packs. The RT9427 resides within the system's main board and manages a nonremovable battery or removable battery pack. The RT9427 reports StateOfCharge, StateOfHealth, FullChargeCapacity, TimeToEmpty and CycleCount based on the Voltaic Gauge with Current Sensing (VGCS) algorithm by using the voltage difference between battery voltage and OCV to calculate the increasing or decreasing SOC, with current sensing compensation to report battery SOC. Voltaic Gauge with Current Sensing algorithm can support smoothly SOC and does not accumulate error with time and current.