The (often marked as 8681L ) is a highly integrated, SMBus-programmable, multi-chemistry battery charge controller manufactured by O2Micro International Ltd. . It is primarily designed as a Smart Battery Charger (SBC) for portable computer systems, such as laptops, to achieve high efficiency and rapid charging. Key Technical Specifications
The following specifications are typically associated with the laptop battery controller variant found in modern repair contexts: : Battery SMBus Charge Controller / Power Management. Package Type : Available in (16-pin) or (24-pin) surface-mount packages. Operating Voltage : Typically operates within a range of 3.4V to 4.8V 8681l ic datasheet
In the crowded skyline of a Lenovo Yoga 2 Pro motherboard, the sits in its 16-pin QFN package, a compact square measuring just a few millimeters. To the naked eye, it’s just another black speck, but to the laptop’s 7.4V Lithium Polymer battery, it is the ultimate gatekeeper. The (often marked as 8681L ) is a
: Before soldering, perform electrical testing with a multimeter to check resistance between pins. After installation, check for shorts or open circuits. Input Voltage Range: [insert range, e
It is worth noting that a different variant, sometimes colloquially referred to under the "8681" umbrella, was a key RF (Radio Frequency) component in early 2000s dual-band GSM mobile devices, such as the Nokia 8800 series