8681l Ic Datasheet ^new^

The IC's body may only show as a top marking due to limited space (especially on SOT-23). The full part number might be something like:

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. OZ8681LN OZ8681 8681LN 8681L IC - MacFactory

If the dynamic power-allocation logic fails, any sudden surge in system utilization can cause the device to instantly shut down due to improper current distribution. Repair and Solder Tips 8681l ic datasheet

External pass-FET gate driver to switch between adapter and battery power. HGATE High-side synchronous switching MOSFET gate drive output. 15 LGATE Low-side synchronous switching MOSFET gate drive output. 16 PHASE / LX Inductor switching node connection point. Common Symptoms of a Faulty 8681L IC

Programming pin to configure the target battery cell count (e.g., 2S, 3S, or 4S). VREF The IC's body may only show as a

It is a multi-chemistry controller, commonly found in systems using Lithium Polymer batteries. Common Applications

: When the system is ON, the IC automatically allocates all remaining AC adapter current (not used by the system) to the battery charger to minimize charging time. If you share with third parties, their policies apply

Drives the external high-side and low-side switching MOSFETs to step down the voltage for battery charging.

Practical troubleshooting tips:

The OZ8681LN provides a clear set of key electrical parameters critical for any design or repair:

| Pin Number | Pin Name | Function | | :--- | :--- | :--- | | 1 | | Output Pin (Connects to MCU or Load Driver) | | 2 | VSS / GND | Ground | | 3 | IN / KEY | Sensor Input (Connect to Touch Pad) | | 4 | AHLB | Output Logic Select (VDD = Active High, GND = Active Low) | | 5 | VDD | Power Supply Input | | 6 | CS / SENS | Sensitivity Adjustment Capacitor Pin |