8682l — Datasheet

Bidirectional Serial Data pin used to dynamically write charging voltage/current limits and read real-time statuses. Current Sensing & Feedback Networks:

When inspecting the 8682L datasheet to verify hardware safety margins or perform circuit simulations, the electrical characteristics and structural thresholds outline the component's true capabilities. Specifications 16-pin Quad Flat No-leads ( QFN-16 ) Input Voltage Range ( VINcap V sub cap I cap N end-sub ) Typically 4.5V to 24V (Accommodates 12V and 19V AC Rails) Interface Protocol SMBus Level 2 Compliant Protocol Switching Frequency ~300 kHz to 500 kHz (Optimized for standard inductors) Programmable Current Accuracy of targeted register metrics Operating Temperature Range -40∘Cnegative 40 raised to the composed with power C +85∘Cpositive 85 raised to the composed with power C (Industrial Grade available) Pin Configuration and Explanations 8682l Datasheet

| Parameter | Typical Value / Range | Notes | | :--- | :--- | :--- | | | Dual Step-Down SMPS Controller | Generates logic supply voltages for CPUs, chipsets, etc.. | | Input Voltage (VIN) | 5.5V to 25V | Operates from a wide range of sources, including AC adapters. | | Output Voltage (PWM) | 2V to 5.5V (Adjustable) | Used for main system power rails (e.g., +5V, +3.3V). | | Linear Regulators | 5V & 3.3V (Fixed) | Integrated LDOs for lower-power always-on supplies. | | Switching Frequency | 200kHz to 466kHz (Adjustable) | Allows optimization between efficiency and component size. | | Package Type | QFN-20L (3x3mm) | A common, space-saving quad-flat no-leads package. | | Operating Temperature | -40°C to +85°C | Industrial temperature range, suitable for most environments. | | Protection Features | OVP, UVP, OCP, SCP | Over/Under Voltage Protection, Over Current Protection, Short Circuit Protection. | Bidirectional Serial Data pin used to dynamically write

: Precision reference voltage output used for biasing internal analog safety circuits. | | Input Voltage (VIN) | 5

The is a highly specialized, SMBus-controlled integrated circuit (IC) developed by O2Micro . Functioning primarily as a Level 2 battery charger controller and DC/DC converter/SMPS driver , this IC is widely integrated into portable electronics, most notably inside laptop motherboards and battery management systems.