8681l Ic Datasheet 〈NEWEST – GUIDE〉

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| 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 |

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The "8681L" part number represents at least two distinct IC families. The is a specialized 1.5‑channel constant current motor driver for voice coil motors in cell phone cameras, manufactured by SANYO/ON Semiconductor. The OZ8681LN is a power management IC used in notebook charging circuits. Both components can be sourced from verified distributors, but any replacement should match the full part number and package marking.

: Pins dedicated to overvoltage, overcurrent, and thermal cutoff paths protect the system from thermal runaway or hardware faults. Switching & Output This public link is valid for 7 days

: When the system is powered on, the IC dynamically allocates all remaining AC adapter current—not currently in use by the system—to the charger. This ensures the shortest possible charging time.

The 8681L is a frequent point of failure in laptops experiencing power delivery issues. Technicians encounter this chip when troubleshooting boards that cannot detect the AC adapter, fail to charge the battery, or drop power under load. Can’t copy the link right now

When you search for "8681L," you will most commonly find references to the , a highly integrated battery charge controller. This is the focus of this guide.

Understanding the physical layout of the 8681L is critical for electronic diagnostics, hardware design, and motherboard rework. Physical Package

You can purchase 100% new, original replacement chips for motherboard repairs through retailers like IndiaMART or AliExpress .

What the device is showing (e.g., completely dead, un-triggered charging gate, no SMBus communication)? The exact laptop motherboard model number?