Serial Clock input line used to sync data packets transmitted from the host micro-controller or embedded controller (EC).
: Portable computing motherboards and smart battery systems Thermal and Package Characteristics
relative to ground point to an internal electrostatic discharge (ESD) failure inside the IC controller. Summary of Technical Data
The 8682L datasheet reveals a wealth of information about this component. Some of its key features and specifications include:
Ensure the gate voltage is high enough to fully "turn on" the MOSFET to avoid operating in the linear region, which causes rapid overheating. Conclusion
This IC is a critical component in mobile computing and can be found in various models, including: Laptop Motherboards: 8682l Datasheet
If the high-side MOSFET driven by the 8682L fails and creates a short-circuit to ground, the chip may enter a thermal shutdown state. Measure the resistance across the charging current-sense resistor to ground. If it reads near
Understanding the pins is critical for using this datasheet. The 'A4 variant is designed for expanded modes, meaning many pins serve dual purposes.
Proper installation typically requires a reflow oven or a fine-tip hot air gun to avoid damaging the delicate internal silicon die. Common Use Cases
, desolder the external MOSFETs and retest the 8682L pin outputs to see if the internal gate driver is damaged. 3. Battery Intermittently Disconnecting
Optimized internal MOSFET switching speeds minimize power loss during transitions. Serial Clock input line used to sync data
The (specifically the OZ8682L or OZ8682LN ) is a specialized integrated circuit (IC) primarily used in power management and backlight control applications. Based on technical documentation, this chip is typically housed in a compact QFN-16 package, which is designed for high-frequency performance and efficient heat dissipation. Technical Summary: OZ8682L IC Specification Full Part Number OZ8682L / OZ8682LN Package Type QFN-16 (Quad Flat No-lead, 16 pins) Primary Function
: The bidirectional data line for sending configuration bytes (e.g., setting maximum charge current values).
is a highly integrated battery management or power control IC, typically housed in a
Used to manage input charging from USB or DC sources.
With power unapplied, measure line impedance on SCL (Pin 3) and SDA (Pin 4). Low resistance values below Some of its key features and specifications include:
If the laptop operates on the wall charger but the battery remains stagnant, test the lines using an oscilloscope. If the SMBus lines are tied to a hard ground or showing 0V instead of a pulled-up 3.3V, the 8682L cannot read the battery data and will refuse to initiate the charge cycle as a safety precaution. 2. Total "No Power" / Shorted Main Rail
: The switching node connecting the external inductors, high-side source, and low-side drain. Logic & Communication
This article provides an in-depth overview of the , highlighting its key technical specifications, functional features, and common applications, particularly in charging systems. What is the 8682L (OZ8682LN)?
| Pin Number | Pin Name | Function | | :--- | :--- | :--- | | | IN (Vcc) | Unregulated input voltage. Decouple with a 0.1µF to 1µF ceramic capacitor close to the pin. | | Pin 2 | GND | Common ground. Must be connected to the system ground plane. | | Pin 3 | OUT (Vout) | Regulated output voltage. Requires an output capacitor (typically 1µF to 10µF tantalum or ceramic) for stability. |
