8682l Ic Datasheet ((link)) -

Optimized for multi-cell Li-ion/Li-polymer configurations. Architecture: Synchronous buck (step-down) converter. 3. Functional Features

+-------------------+ | | Vin o---+---[C1]---+----+---- VIN (pin1) | (1uF) | | +----+--------+ | | | GND | | +----+-----------------+ | | | | | | EN (pin3) --+ | | | | | | | GND (pin2)-+-GND | | | | | | VOUT (pin5)--------+-o--- Vout (3.3V) | | | | +---[C2]---+ GND | (1uF) | +-----------------------------+---+ 8682l ic datasheet

: Like most O2Micro controllers, it likely includes internal thermal shutdown (TSD) and over-voltage protection to prevent board damage during faults. Typical Repair Context Optimized for multi-cell Li-ion/Li-polymer configurations

Based on reverse-engineered circuits from devices like Bluetooth headsets, small power banks, and LED drivers, the 8682L in a typically follows this pinout: Often used in IoT hubs and custom automation

If you pulled the chip from a device (e.g., a particular brand of power bank), check the PCB for a silkscreen like "8682L-PCB Rev1.0". The OEM may supply the datasheet upon request.

Often used in IoT hubs and custom automation devices due to its efficiency. Pinout and Integration