8681l Ic Datasheet Jun 2026
: A similar, more advanced model featuring dedicated hardware accelerators for real-time tasks. Procurement and Availability New and original OZ8681L/LN chips are available through several retailers:
The '8681L' IC is a powerful testament to the complexity of modern electronics. It is not a simple chip but a highly integrated, intelligent battery charger that serves as the brain behind the power system in countless portable devices.
: Includes anti-interference designs and high-precision data measurement for GPS and medical sensors. Sourcing and Compatibility
[Disclaimer: Always verify the part number against your specific hardware before applying power. The information above is based on common industry marking patterns.] 8681l ic datasheet
For further validation, components and replacement parts can be cross-verified via specialist suppliers listed on Veswin Electronics or MacFactory India .
: QFN-16 (Quad Flat No-leads, 16 pins) with an exposed thermal pad on the underside for heat dissipation.
: Differential current-sense input pins connected across an external sense resistor to monitor the total current drawn from the AC adapter. : A similar, more advanced model featuring dedicated
: Check the voltage on VDD and verify that SMBus signals ( SMBCLK / SMBDAT ) show active communication toggling between 0V and 3.3V.
When using hot-air rework stations to replace a damaged chip with new units from parts stores like MacFactory or SVP Technologies , ensure proper thermal management. Because of the QFN package's exposed center ground pad, apply a uniform pre-heat to the PCB layer stack to avoid trace delamination or thermal stress warping on delicate inner copper layers.
It is important to note, however, that there are other components with similar numbering. The most notable alternative is the , a motor driver IC manufactured by SANYO (and now ON Semiconductor) designed for applications like camera autofocus. While not the primary subject, the existence of this part highlights the importance of cross-referencing full part numbers and manufacturer markings before starting any repair or design. : QFN-16 (Quad Flat No-leads, 16 pins) with
When you search for "8681L," you will most commonly find references to the , a highly integrated battery charge controller. This is the focus of this guide.
In a standard laptop motherboard, the 8681L connects to the System Management Bus to communicate with the Super I/O or EC (Embedded Controller). It uses two high-side current sensors—one to monitor the AC adapter input and another for the battery charge/discharge current. This allows it to output real-time analog signals representing the current levels to the system controller. If you are looking for replacement parts, the Go to product viewer dialog for this item.
Conclusion Reading and applying a datasheet for an 8681L-class IC requires careful attention to electrical characteristics, thermal limits, recommended external components, and protection features. Successful integration combines faithful adherence to the datasheet’s application guidance with sound PCB layout, thermal management, and system-level considerations such as EMI and power sequencing. When in doubt, consult manufacturer application notes and, if available, reference designs; they provide practical details that bridge datasheet parameters and real-world, reliable implementations.
The 8681L IC datasheet provides a comprehensive overview of the IC's features and specifications. Some of the key highlights include:
Connecting the AC charger results in the power brick's indicator LED blinking or cutting off completely (indicating a short circuit to ground on the main charging rail). Diagnostic Bench Protocol




