8681l Ic Datasheet
L1 (4.7uH) SW [Pin 3] ------(UUUUU)-------+-------+-----> V_OUT (3.3V / 3A) | | [R1] [C_OUT] (47uF) | | FB [Pin 5] --------------------+ | | | [R2] | | | GND [Pin 4] --------------------+-------+-----> GND Component Selection Guidelines 1. Setting the Output Voltage ( VOUTcap V sub cap O cap U cap T end-sub The output voltage is programmed via a resistor divider ( R1cap R sub 1 R2cap R sub 2 VOUTcap V sub cap O cap U cap T end-sub to the FB pin. Use the following formula:
The OZ8681L is defined by its powerful functionality. It is a "highly integrated, SMBus programmable, multi-chemistry battery charge controller. It is intended to be used as a smart battery charger (SBC) within a smart battery system (SBS)". This description immediately indicates a component that communicates with the computer's main processor via the SMBus (System Management Bus), allowing for dynamic control over the charging process. 8681l ic datasheet
To gain deep access to absolute electrical ratings, signal timing diagrams, and exact register maps, hardware engineering teams must cross-reference official manufacturer documentation through authorized component registries or parts distributors. To gain deep access to absolute electrical ratings,
: It is commonly housed in a QFN16 (Quad Flat No-lead, 16-pin) package, which is compact and suitable for slim electronics like ultrabooks. signal timing diagrams
The (often referred to simply as 8681L ) is a specialized SMBus battery charge controller primarily used in portable computer systems, such as laptops. It is a highly integrated IC designed to manage the charging of multi-chemistry batteries while optimizing power allocation between the system and the charger. Overview and Functionality
: Sold in multi-packs (e.g., 5 pieces) for laptop repair at retailers like credbloom and maoglimmer for approximately $9.23 to $10.39 .
Negative input for the battery charge current-sense resistor. BAT Battery voltage sensing input pin. 13 EXTGATE / DCGATE
