The 8682L datasheet provides comprehensive information necessary for integrating this device into your designs. By carefully reading and understanding the specifications, features, and application guidelines, you can successfully utilize the 8682L in your projects.
The (also referred to as 8682L or OZ8682LN) is a highly integrated SMBus Level 2 Battery Charge Controller manufactured by O2Micro. It is primarily designed for use as a Smart Battery Charger (SBC) in portable computer systems, such as laptops. Key Technical Specifications
Based on the official O2Micro product guides and technical documents, the includes several advanced power management features:
Hybrid Power Boost: A standout feature that allows the battery to provide power in parallel with the AC adapter during peak load scenarios.
Efficiency & Topology: Utilizes an NMOS synchronous topology with a fixed frequency, achieving over 95% efficiency.
Charging Range: Supports charging for Li-Ion and other multi-chemistry batteries with 1 to 4 cells. Programmable Settings: Battery Voltage: 1.024V to 19.200V (11-bit DAC). Charge Current: 128mA to 8.064A (6-bit DAC). Adapter Current: 256mA to 11.008A (6-bit DAC).
High Accuracy: Features ±0.5% battery voltage accuracy and ±3% charging/adapter current accuracy.
Package Type: Housed in a space-saving 16-pin QFN (Quad Flat No-lead) package. Integrated Protections
The chip includes a robust set of safety mechanisms to protect the battery and system:
Battery Protection: Built-in over-voltage, over-current, and reverse connection protection.
Thermal Management: Embedded thermal shutdown to prevent overheating during high-load operations.
Detection: Automatic AC adapter voltage detection and valid adapter presence output. Common Applications
The OZ8682L is a common component in laptop motherboards and is often sought by engineers for repairs in models like the Dell Latitude or HP EliteBook series. It is also found in specialized Apple Macbook Pro and "Core Duo" 13" motherboards (specifically associated with part numbers like 820-1889-A and 820-2849-A) as a critical controller IC.
Unveiling the 8682L Datasheet: A Comprehensive Overview
The 8682L is a highly sought-after electronic component, widely used in various industrial and commercial applications. To help engineers, designers, and electronics enthusiasts better understand this component, we will delve into the details of its datasheet. This article aims to provide an in-depth analysis of the 8682L datasheet, covering its key features, technical specifications, and applications.
Introduction to the 8682L
The 8682L is a type of voltage regulator, specifically designed to provide a stable output voltage in a wide range of applications. Its compact size, high efficiency, and reliability make it an attractive choice for various industries, including automotive, industrial, and consumer electronics.
Key Features of the 8682L Datasheet
The 8682L datasheet provides an extensive overview of the component's characteristics, including:
Technical Specifications
The 8682L datasheet provides detailed technical specifications, including:
Applications of the 8682L
The 8682L is a versatile component, suitable for various applications, including:
Conclusion
In conclusion, the 8682L datasheet provides a comprehensive overview of the component's characteristics, technical specifications, and applications. By understanding the 8682L's features and specifications, engineers and designers can effectively integrate this component into their designs, ensuring reliable and efficient performance. Whether you're working on industrial control systems, automotive electronics, or consumer electronics, the 8682L is an excellent choice for your voltage regulation needs.
References
For more detailed information, please refer to the official datasheet of the 8682L component. 8682l Datasheet
(full part number ) is a specialized Power Management Integrated Circuit (PMIC) manufactured by . It is primarily used as an SMBus Level 2 Battery Charger
with hybrid power boost capabilities, commonly found in laptop motherboards and portable electronic devices. Key Technical Specifications According to the OZ8682L technical documentation , here are the primary specifications: Specification Manufacturer O2Micro International SMBus Level 2 Battery Charger with Hybrid Power Boost Package Type QFN-16 (16-pin Quad Flat No-lead) Application Laptop power management, battery charging circuits Dimensions Approximately 10 x 10 x 2 mm (shipping size) Operational Features Hybrid Power Boost:
This feature allows the system to draw power from both the AC adapter and the battery simultaneously when the system load exceeds the adapter's capacity. SMBus Interface:
Uses the System Management Bus protocol for communication with the laptop's embedded controller (EC) to manage charging parameters like voltage and current. High Performance:
Optimized for complex signal processing and multi-threaded power management tasks in embedded systems. Typical Applications
This IC is a critical component in mobile computing and can be found in various models, including: Laptop Motherboards:
Frequently used in brands like Apple (e.g., MacBook Pro models), Acer, and others for managing battery charging. Embedded Systems:
High-performance projects requiring efficient power consumption and stable load management. Maintenance and Replacement Tips Identification: The chip is typically marked as on the top surface. Installation:
As a QFN-16 package, it requires surface-mount technology (SMT) soldering tools. Ensure the heat dissipation pad is correctly soldered to the ground (AGND/PGND) as recommended for similar high-efficiency DC/DC controllers.
Authentic units can be found through specialist laptop part suppliers like AliExpress or a specific wiring schematic for a repair project?
Part: OZ8682LN • QFN16 • datasheet, pdf, info ... - Elparts
Title: Unveiling the 8682L Datasheet: A Comprehensive Guide
Introduction
The 8682L is a highly sought-after electronic component, and for good reason. This datasheet is designed to provide engineers, designers, and electronics enthusiasts with a detailed understanding of the 8682L's specifications, features, and applications. In this blog post, we'll dive into the world of the 8682L datasheet, exploring its key characteristics, technical specifications, and potential uses.
Overview of the 8682L
The 8682L is a [insert type, e.g., voltage regulator, microcontroller, etc.] designed for [specific application or industry]. This component boasts [notable feature, e.g., high efficiency, low power consumption, etc.], making it an attractive choice for [target audience].
Key Features and Specifications
The 8682L datasheet reveals a wealth of information about this component. Some of its key features and specifications include:
Technical Specifications
For those who require a deeper dive into the technical aspects of the 8682L, the datasheet provides a comprehensive overview of its technical specifications. These include:
Applications and Use Cases
The 8682L datasheet also highlights various applications and use cases for this component. Some examples include:
Conclusion
The 8682L datasheet provides a wealth of information for designers, engineers, and electronics enthusiasts. By understanding the key features, specifications, and applications of this component, you can unlock its full potential and design innovative solutions. Whether you're working on a power supply, industrial control system, or consumer electronics project, the 8682L datasheet is an essential resource.
Downloads and Resources
By following this sample blog post, you can create a comprehensive and informative article that showcases the 8682L datasheet and provides valuable insights for your readers. Applications of the 8682L The 8682L is a
8682L Datasheet: Technical Specifications and Applications In the world of power management and specialized integrated circuits, the 8682L (often associated with brands like Niko-Sem or specifically used in battery protection and power MOSFET configurations) is a critical component for developers working on high-efficiency electronics.
This article provides a deep dive into the 8682L datasheet, covering its pinout, electrical characteristics, and common use cases. 1. Overview of the 8682L
The 8682L is typically designed as a Dual N-Channel Enhancement Mode Field Effect Transistor (FET). It is frequently housed in a compact package like the SOP-8 or TSSOP-8, making it ideal for high-density circuit board designs.
Its primary role is to act as a high-speed switch or a power management controller, specifically in devices that require low "on-resistance" to minimize power loss. 2. Key Technical Specifications
While you should always verify with the specific manufacturer’s document (such as Niko-Sem or Alpha & Omega), standard parameters for the 8682L series usually include: Drain-Source Voltage ( VDScap V sub cap D cap S end-sub
): Typically rated around 30V, allowing it to handle standard DC-DC conversion tasks. Continuous Drain Current ( IDcap I sub cap D
): Generally supports between 6A to 8A, depending on the thermal management of the PCB. Low On-Resistance (
RDS(on)cap R sub cap D cap S open paren o n close paren end-sub
): Often as low as 18mΩ to 25mΩ at a 10V gate voltage. This low resistance is what prevents the component from overheating during heavy use. Gate-Threshold Voltage (
VGS(th)cap V sub cap G cap S open paren t h close paren end-sub
): Usually ranges between 1.0V and 3.0V, making it compatible with logic-level signals from microcontrollers. 3. Pin Configuration (Typical SOP-8) Understanding the pinout is essential for PCB layout: Pins 1 & 3: Source 1 / Source 2 Pins 2 & 4: Gate 1 / Gate 2
Pins 5-8: Drain 1 / Drain 2 (often tied together for heat dissipation) 4. Common Applications
Because of its dual N-channel nature and efficiency, the 8682L is commonly found in:
Lithium-Ion Battery Protection: Used in BMS (Battery Management Systems) to cut off power during overcharge or over-discharge.
DC/DC Converters: Acting as a switching regulator in laptop power supplies or chargers.
Load Switching: Managing power rails in mobile devices and tablets.
LED Backlighting: Controlling the power flow to display panels. 5. Design Considerations & Thermal Management
When designing with the 8682L, heat is your primary enemy. Even with low
RDS(on)cap R sub cap D cap S open paren o n close paren end-sub , high current flow generates thermal energy.
Heatsinking: Ensure the copper pour on your PCB is adequate around the Drain pins to act as a heat sink.
Gate Drive: Ensure the gate voltage is high enough to fully "turn on" the MOSFET to avoid operating in the linear region, which causes rapid overheating. Conclusion
The 8682L is a workhorse in modern power electronics, offering a balance of small size and high current capability. Whether you are repairing a laptop motherboard or designing a new battery-powered gadget, the 8682L provides the switching reliability required for modern standards.
(full part number ) is a specialized integrated circuit (IC) manufactured by O2Micro International . It is primarily designed as a SMBus Level 2 Battery Charger
with Hybrid Power Boost capabilities, commonly found in laptop motherboards. The following essay provides a technical overview of this component based on its datasheet specifications. Technical Overview of the OZ8682L IC
The OZ8682L represents a critical component in modern power management systems, specifically tailored for mobile computing devices like laptops and tablets. As a Level 2 battery charger, it communicates with the host system via the SMBus (System Management Bus)
protocol, allowing for precise control and monitoring of the charging process. Electronics Datasheets Key Functions and Applications or thermal failure.
The primary role of the OZ8682L is to manage the flow of electrical power from an external adapter to the device's internal battery and system peripherals. Battery Charging
: It supports intelligent charging profiles, ensuring safety and efficiency for lithium-ion and other battery chemistries. Hybrid Power Boost
: A standout feature of this IC is its ability to provide a "Hybrid Power Boost." This allows the system to draw power simultaneously from both the battery and the AC adapter during periods of high demand (peak loads), preventing system throttles or crashes. Laptop Power Management
: It is widely used in laptop motherboards to perform voltage regulation and other control tasks necessary for stable operation. Physical and Electrical Specifications According to its technical datasheet
, the IC features several specific hardware characteristics: Package Type : It is housed in a (Quad Flat No-lead, 16-pin) package. Dimensions : The physical footprint is approximately millimeters. SMPS Driver
: It functions as a DC/DC converter and Switch-Mode Power Supply (SMPS) driver, which is essential for high-efficiency power conversion. Design Considerations
When integrating the OZ8682L into a circuit, engineers must refer to the datasheet for precise pinout information and external component requirements. Because it is a high-precision controller, its performance depends heavily on the quality of external MOSFETs and sensing resistors used in the charging circuit
In the repair industry, this chip is a common target for troubleshooting power-on issues in laptops. If a device fails to charge or shuts down under heavy load, the OZ8682L is often inspected or replaced using specialized SMD soldering equipment. specific pinout diagram for a particular laptop model using this IC? 8682l Datasheet !free! 20 Feb 2026 —
(also known as the ) is a high-performance integrated circuit (IC) primarily used as a laptop battery charger controller . Manufactured by O2Micro International
, it is a common component in laptop motherboards and portable electronics for managing power distribution and battery health. Core Functionality The OZ8682L is designed as an SMBus Level 2 Battery Charger . Key operational features include: Electronics Datasheets Hybrid Power Boost
: This technology allows the system to draw power from both the battery and the AC adapter simultaneously when the system load exceeds the adapter's capacity. Power Management
: It regulates voltage and current for charging, ensuring safe and efficient energy transfer to the battery. SMBus Interface
: Utilizes the System Management Bus (SMBus) protocol to communicate with the host controller and the smart battery, providing real-time data on charging status. Technical Specifications
Based on typical datasheet summaries, the device is characterized by: Package Type : Most commonly available in a compact 16-pin QFN (Quad Flat No-leads) package. Device Marking : The chip is typically marked on its surface as Applications
: Found extensively in laptop repair and manufacturing, specifically in power supply and charging circuits. Common Use in Repairs
In the electronics repair industry, this IC is frequently listed as a "Charging IC" that technicians keep in stock for troubleshooting laptop "no-charging" or "no-power" issues. It is often compared to or used alongside similar models like the OZ8681L or OZ8618LN. AliExpress for circuit design, or do you need a pinout diagram for a specific motherboard repair?
Part: OZ8682LN • QFN16 • datasheet, pdf, info ... - Elparts
Integrated circuits > DC/DC converters and SMPS drivers. battery charger, marking 8682L. O2 Micro. QFN16. 8682 Datasheet, PDF - ALLDATASHEET.COM 8682 Datasheet, PDF - Alldatasheet. ALLDATASHEET.COM OZ 8682L Laptop IC, 28 Pin - IndiaMART
The RT8682L (often referenced in power design circles simply as the 8682L) is a high-performance, synchronous step-down DC-DC converter manufactured by Richtek Technology. It is designed to deliver high efficiency and compact size, making it a staple component in modern power management systems for computing, consumer electronics, and networking hardware.
Unlike asynchronous regulators that rely on external Schottky diodes, the RT8682L integrates both high-side and low-side power MOSFETs into a single package. This integration minimizes switching losses and reduces the physical footprint required on the PCB (Printed Circuit Board). This write-up explores the architecture, pinout, operational theory, and design considerations for the RT8682L.
While an official datasheet from a specific manufacturer is definitive, the following table represents the most commonly cited specifications for devices matching the 8682l designation in repair and design communities.
| Parameter | Symbol | Typical Value | Unit | Condition | | :--- | :--- | :--- | :--- | :--- | | Output Voltage | Vout | 3.3, 5.0, or 8.0 | V | Fixed (check marking) | | Input Voltage Range | Vin | 4.5 to 18 | V | Max 20V | | Output Current | Iout | 150 to 300 | mA | Depending on package | | Dropout Voltage | Vdo | 0.3 to 0.7 | V | @ Iout=100mA | | Quiescent Current | Iq | 2 to 5 | mA | Typical | | Line Regulation | | 0.1 | %/V | | | Load Regulation | | 0.5 | % | | | Operating Temp | Top | -40 to +85 | °C | Industrial range | | Storage Temp | Tstg | -55 to +150 | °C | |
Explanation of Key Specs:
The RT8682L is typically utilized for point-of-load (POL) conversions, stepping down higher voltage rails (such as 5V or 12V) to lower voltages required by microcontrollers, DSPs, memory, or ASICs.
The inductor value determines the ripple current ($ \Delta I_L $). A standard rule of thumb is to set ripple current to 30% of the maximum output current.
$$ L = \fracV_OUT \times (V_IN - V_OUT)V_IN \times f_SW \times \Delta I_L $$
The performance of the RT8682L is heavily dependent on PCB layout. Poor layout can lead to oscillation, excessive noise, or thermal failure.