8681l Ic Datasheet Jun 2026
The (most commonly known as the O2Micro OZ8681L or OZ8681LN ) is a highly advanced battery charge controller chip . It is widely used in portable computer systems like Lenovo IdeaPad laptops to manage power safely. When a laptop will not turn on or charge, this chip is often the main cause of the problem. Understanding its datasheet helps repair technicians fix broken motherboard circuits. What is the 8681L IC?
Today, the 8681L is most often the protagonist of a repair technician's story. When a laptop refuses to charge or suddenly dies when the plug is pulled, a technician often looks for this specific QFN-16 chip. They consult the to check the "decoupling capacitors"—tiny components that, if missing or faulty, can cause the 8681L to fail, bringing the entire system to a halt.
: The device communicates via the System Management Bus (SMBus), allowing for precise software control over charging parameters such as voltage and current limits. Dual-Sensing Technology 8681l ic datasheet
Specifically the IdeaPad 100S-14IBR , Yoga 2 Pro 13 , and ThinkPad X1 Carbon series.
Here are some key specifications of the 8681L IC: The (most commonly known as the O2Micro OZ8681L
Date: March 23, 2026.
A critical table showing the safe operating limits for supply voltage, input voltage, output voltage, ground pin current, and power dissipation. When a laptop refuses to charge or suddenly
The 8681L IC is versatile and can be used in a variety of applications, including:
: 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 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
: A simple Google search with the part number ("8681L datasheet") can lead you to various sources, including forums, blogs, and sometimes official datasheets.
