Key capabilities include:

: When the system is powered on, the IC intelligently directs all remaining AC adapter current not consumed by the system to the charger, ensuring the shortest possible charging time .

8681L IC Datasheet PDF: Core Specifications, Pinout, and Application Guide

(static drain-source on-resistance) to mitigate thermal dissipation.

This allows the IC to precisely monitor the current moving both into the battery and out to the system.