The (often referred to simply as 8681L or OZ8681LN ) is a highly integrated, SMBus programmable, multi-chemistry battery charge controller designed specifically for smart battery systems (SBS) in portable devices. It is a critical component for managing the power flow from the AC adapter to the battery and the system load.
The thermal pad beneath the 8681L IC must be soldered directly to the PCB ground plane. Add multiple thermal vias to drop heat down into internal copper layers to prevent thermal throttling.
The 8681L IC, primarily known by its full part number , is a high-performance, SMBus-programmable multi-chemistry battery charge controller. It is widely used as a Smart Battery Charger (SBC) in portable computing systems, notably found on laptop motherboards such as those in the Lenovo IdeaPad series. 1. Key Features and Specifications 8681l ic datasheet pdf download install
Provides fast transient response and cycle-by-cycle current limiting.
Apply flux to the existing pins. Use a hot air station at approximately 350°C to gently lift the old IC. The (often referred to simply as 8681L or
The IC serves as a within a Smart Battery System (SBS). It provides complete charging control for multi-chemistry batteries. Key Specifications Package : Typically available in a QFN-16 (16-pin) format.
: Provides localized power regulation in industrial boards. Add multiple thermal vias to drop heat down
Installation should be performed by a qualified technician to avoid damaging the motherboard.
. It is predominantly used as a smart battery charger (SBC) in laptop motherboards, notably within the Lenovo IdeaPad series and some Toshiba Portege models Technical Specifications According to data found on , the key technical details include: Package Type : QFN-16 (16-pin Quad Flat No-lead). Application
Use a clean soldering iron tip and a piece of solder wick to absorb residual old solder. The pads—especially the large center thermal pad—must be completely flat.
If you are developing an interesting paper based on this component, consider these "real-world" engineering angles:
