| Condition | CHRG (Red) | STDBY (Green) | Battery current | |-------------------------------|-------------------|-------------------|-----------------| | No battery (or BAT > 4.25V) | Off (high-Z) | Off (high-Z) | 0mA | | VCC missing (USB unplugged) | Off | Off | 0mA (load from battery? none) | | Trickle charge (BAT < 2.9V) | On (low) | Off (high-Z) | ~10% I_prog | | Constant current / constant voltage charging | On (low) | Off (high-Z) | I_prog down to 1/10th | | Charge complete (BAT=4.20V) | Off (high-Z) | On (low) | 0mA (or very low) | | Over-temperature (die >120°C) | Blinking (0.5Hz)?* | Off/Blinking* | Reduced current |
The 8682L operates as a Pulse Width Modulation (PWM) controller. It is designed to drive external MOSFETs to regulate current through LED strings. It is widely used in LED TVs and commercial lighting due to its high efficiency and robust protection features. Key Features Operates across various DC rails. PWM Dimming: Supports precise brightness control. 8682l ic datasheet
integrated circuit (IC) is primarily recognized as the , a high-efficiency laptop battery charger IC . It is commonly used in portable electronics, such as the Apple MacBook Pro (A1278) Key Specifications The 8682L typically comes in a | Condition | CHRG (Red) | STDBY (Green)
| Parameter | 8682L | LM317 (Classic) | |-----------|-------|-----------------| | Dropout @ 1A | 0.38V | 2.0V | | Quiescent current | 4mA | 5mA (plus divider current) | | Max output | 1.5A | 1.5A | | Min input/output differential | 0.5V | 3.0V | | Shutdown pin | Yes | No | It is widely used in LED TVs and
The (also known as the OZ8682LN ) is a high-performance SMBus Battery Charger Controller manufactured by O2Micro . It is primarily designed for portable devices like laptops, tablets, and medical equipment that require precise power management.
The is most likely a low-dropout linear regulator optimized for battery-powered applications. While its official datasheet can be challenging to locate due to its regional manufacturing base, the electrical characteristics, pinout, and application notes provided in this guide offer a strong starting point for engineers and hobbyists.