8681L IC Datasheet (Simulated Document)

Unlocking the Secrets of the 8681L IC Datasheet: A Comprehensive Guide

🔍 Understanding the 8681L IC Datasheet

If you are looking for a datasheet for a chip marked "8681L", it is highly likely that you are looking at a Date Code or a specific marking variant of a standard Power Management or Driver IC.

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 

Note: Some 3-pin SOT-89 versions omit the EN pin and NC.

Additional Resources

2. Key Datasheet Sections to Review

Absolute Maximum Ratings

• Input voltage (IN, EN, etc.) – usually up to 6V.
• Output voltage (open‑circuit protection).
• Operating temperature range (–40°C to +85°C typical).
• ESD ratings (HBM, CDM).

6.4 Floating the Enable Pin

If the 8681L has an EN pin and you leave it floating, the internal state is undefined. The device may remain off or oscillate. Always tie EN to VIN or a logic high.