The 8681L IC primarily refers to the OZ8681L (also seen as 028681L or 8681LN), a specialized Battery SMBus Charge Controller and power management chip widely used in laptop motherboards and legacy mobile devices. Technical Specifications Overview Feature Primary Function Battery SMBus Charge Controller / Power Management Common Manufacturers O2Micro (OZ series), Micro Package Types QFN-16 or QFN-24 (Surface Mount) Operating Voltage Typically 3.4V – 4.8V Operating Temperature Industrial range from -40°C to +85°C Current Consumption Idle: ~5mA; Peak: ~2A Key Applications
This is the simplest use case—converting a higher voltage (e.g., 5V USB) to a lower, cleaner 3.3V.
This post unpacks the datasheet of the 8681L, exploring its architecture, critical specifications, thermal management, and application pitfalls. 8681l ic datasheet
Package Markings: Verify the specific alphanumeric codes on the physical package to ensure batch traceability and avoid counterfeit parts.
A typical application circuit for the 8681L consists of: The 8681L IC primarily refers to the OZ8681L
Based on industry patterns, the 8681L is most likely a low-dropout linear voltage regulator or a power management IC (PMIC) that outputs a fixed voltage, commonly 3.3V or 5.0V, with a maximum output current of 150mA to 500mA. Some database searches also suggest it could be a dual operational amplifier or a comparator in a miniaturized package.
Electronics Distributors: Listed as "In-Stock" at specialized distributors like Veswin Electronics and Jotrin Electronics. Package Markings : Verify the specific alphanumeric codes
The 8681L IC (often listed as OZ8681L or OZ8681LN) is a highly integrated, SMBus-programmable, multi-chemistry battery charge controller IC primarily used in portable computer systems like laptops. Technical Overview & Specifications
Key Features of the 8681L IC