Known for use in Apple MacBook Pro series motherboards (e.g., part number 820-2936-B). Common Use Cases & Maintenance
The analysis of the 8682L IC datasheet has the following limitations:
When troubleshooting motherboard charging failures involving an 8682L chip, field technicians look for specific indicators on the diagnostic bench:
RDS(on)cap R sub cap D cap S open paren o n close paren end-sub 8682l ic datasheet
On the workbench, the beige box shuddered. A cooling fan spun up, wheezing dust into the air. A single red LED on the front panel blinked on. Then a green one.
Includes built-in protection against over-charge, over-discharge, overheating, over-current, and short-circuits.
: Like most O2Micro controllers, it likely includes internal thermal shutdown (TSD) and over-voltage protection to prevent board damage during faults. Typical Repair Context Known for use in Apple MacBook Pro series motherboards (e
The 8682L plays a critical role in system architecture by safely throttling power between the external AC adapter, the system load, and the Lithium-Ion (Li-ion) or Lithium-Polymer (Li-Po) battery pack. Its defining feature is the technology. This feature allows the battery to dynamically assist the AC adapter during brief periods of peak system load, preventing the laptop or device from shutting down due to adapter overcurrent limits. Specification Manufacturer O2Micro International Full Part Numbers OZ8682L, OZ8682LN, OZ8682LN-C1-0-TR Communication Interface SMBus (System Management Bus) Level 2 compliant Package Type QFN-16 (Quad Flat No-lead, 16 pins) Primary Application Laptop Battery Charging & Power Path Management Key Topology Synchronous Buck (Step-Down) Switching Controller Pinout Configuration (QFN-16)
: Installing a 16-QFN chip requires advanced rework skills. A hot-air soldering station, a preheating station, and the correct soldering stencil are mandatory tools for a reliable installation. Do not attempt this repair without proper equipment and training.
The , officially cataloged as the OZ8682L or OZ8682LN by O2Micro, is a highly integrated SMBus Level 2 Battery Charger Controller engineered with Hybrid Power Boost technology . Widely utilized in modern laptop motherboards, portable consumer electronics, and smart IoT device networks, this integrated circuit (IC) manages complex system power distribution and fast-charging cycles. A single red LED on the front panel blinked on
The following are the key specifications of the 8682L IC:
Part: OZ8682LN • QFN16 • datasheet, pdf, info ... - Elparts
The 8682L IC has [number of] pins, which are configured as follows:
The BA682 is an H-Bridge driver contained within a single chip. An H-bridge allows the IC to spin a motor in two directions:
A failed external power MOSFET can bleed high voltage into the 8682L's feedback or gate-drive pins, burning out the chip internally. Always test nearby transistors for continuity shorts before replacing a dead IC.