Drives the external high-side and low-side switching MOSFETs to step down the voltage for battery charging.
Because "8681L" might be a proprietary marking or a batch code, verify the chip using these steps:
Datasheets are documents that provide detailed specifications, characteristics, and applications for a particular integrated circuit. They are essential for engineers and designers when selecting and implementing ICs in electronic circuits.
: High-side and low-side gate driver outputs switch external N-channel MOSFETs. This handles the high current conversion from adapter voltage down to battery charging voltage. 8681l ic datasheet
: Websites like Digi-Key, Mouser, or Farnell often provide datasheets for the components they sell. You can search for the 8681L on these sites and see if they have a datasheet available.
For replacement components, technicians frequently source these chips from global electronics vendors or hardware repair distributors like IndiaMART or specialized repair storefronts found via Alldatasheet .
This is the most common trap area. Do not assume the chip is faulty just because it has power. Use an oscilloscope to monitor the control signal (e.g., LOT6_CHG ) that enables the IC's main power supply. This signal comes from the EC or another logic controller. If it is not present, the EC may be preventing charging due to another fault (e.g., a communication error with the battery). Drives the external high-side and low-side switching MOSFETs
Communication with the host system and the smart battery occurs via a standard System Management Bus, allowing real-time current and voltage level programming.
In the electronics industry, markings like "8681" often refer to the (Lithium Battery Charger) or a similar component where "8681" indicates the manufacturing batch or date, and "L" indicates the lead-free or package type.
The 8681L IC datasheet provides detailed electrical characteristics, including: : High-side and low-side gate driver outputs switch
If you are currently troubleshooting a motherboard, what or voltage readings are you observing on the charging circuit? Let me know so we can pinpoint the failure. Share public link
: Use an oscilloscope to check for active clock (SCL) and data (SDA) waveforms. Constant high states or lack of pulsing implies an issue with either the Embedded Controller (EC) or the chip itself. 6. Sourcing & Replacement Notes
In the vast ecosystem of integrated circuits, certain components become quiet workhorses in countless electronic devices. The is one such component—a specialized chip that, while not as famous as a microcontroller or operational amplifier, plays a critical role in power management, signal interfacing, or peripheral control, depending on its specific family.