When repairing modern consumer electronics, procuring verified components is paramount. The 8681L IC is actively stocked by global and local sub-component distributors. If you need sourcing, you can track current warehouse availability or buy the part directly through electronic component suppliers listed on Findchips or marketplaces like Alibaba and Amazon India .
It supports multiple rechargeable chemistries, primarily operating alongside modern multi-series Lithium-Ion (Li-ion) and Lithium-Polymer (Li-Po) cell profiles.
I searched for the exact term , but I could not find a verified or widely recognized integrated circuit (IC) with that precise part number in major databases (e.g., Texas Instruments, Analog Devices, NXP, or standard distributor inventories like Mouser/Digikey).
: Frequently used on mainboards for devices such as Lenovo IdeaPad laptops to resolve issues related to "plugged in, not charging." Troubleshooting Common 8681L Failures 8681l ic datasheet
If you’d like, I can: (1) draft a sample application circuit for a specific 8681L variant (regulator, driver, or transceiver); (2) summarize a real 8681L datasheet if you provide a link or PDF; or (3) create a checklist for PCB layout and testing tailored to the IC’s role. Which would you prefer?
If the 8681L has an EN pin and you leave it floating, the internal state is undefined. The device may remain off or oscillate. Always tie EN to VIN or a logic high.
The 8681L IC boasts an impressive array of features that make it a popular choice among designers and engineers. Some of its key features include: Which would you prefer
| | Symbol | Conditions | Ratings / Values | Unit | |:---|:---|:---|:---|:---| | Supply Voltage | VCC | — | 2.2 to 7.5 | V | | High-Level Input Voltage | VIH | IN1, IN2, IN3 | 1.8 to 7.5 | V | | Low-Level Input Voltage | VIL | IN1, IN2, IN3 | -0.3 to 0.7 | V | | Output Constant Current | IOUT | — | 100 to 200 | mA | | Supply Current (Operating) | ICC1 | — | 13.9 typ. / 18 max. | mA | | Output Saturation Voltage | VOUT | At IOUT = 200mA | 0.20 typ. / 0.32 max. | V |
Directly monitors real-time battery terminal voltage to prevent overcharging. Diagnostic Failures and Common Symptoms
The OZ8681L from O2Micro is a sophisticated power management IC, specifically engineered as a core component in a Smart Battery System (SBS). Its primary function is to serve as a within portable devices like notebook computers. You can expect to find this IC near the battery connector on the motherboard. It supports multiple rechargeable chemistries
Exceeding these values may cause permanent damage:
or higher X5R/X7R ceramic capacitor to absorb switching ripple current. Use a
The 8681L IC is engineered to safely optimize power distribution between the external AC power adapter and the device's internal multi-chemistry battery packs.
Quad Flat No-leads (QFN) or Thin QFN package variants.