8682l Ic Datasheet Page

| Parameter | Value | |-----------|-------| | Output Voltage (Fixed) | 3.3V, 5.0V, 9V, 12V (varies by suffix) | | Maximum Output Current | 150mA – 300mA (depending on package) | | Dropout Voltage | ~0.5V – 0.7V @ 100mA | | Input Voltage Range | Up to 30V (Absolute Max ~35V) | | Line Regulation | 0.2% / V | | Load Regulation | 0.4% typical | | Quiescent Current | 2mA – 5mA |

The 8682L remains a solid choice for medium-current, low-dropout applications where simplicity and robust protection matter more than ultra-low quiescent current. Its forgiving input tolerance and built-in reverse protection make it ideal for automotive, industrial control, and hobbyist power supplies. For new designs, always consult the manufacturer’s latest datasheet for package options (SOT-223, TO-252, DPAK) and revision-specific changes.

Best used for: Post-regulation of switching supplies, battery-powered equipment, audio/video analog rails, and 5V/3.3V microcontrollers.

(also marked as ) is an integrated circuit primarily used as a SMBus Level 2 Battery Charger

with Hybrid Power Boost capabilities. It is a specialized power management chip frequently found in laptop motherboards. Core Technical Specifications

According to technical documentation and merchant listings for the OZ8682 series Manufacturer O2Micro International

: SMBus-controlled battery charging controller that supports Hybrid Power Boost

, allowing the system to draw power from both the battery and the adapter simultaneously to handle peak loads. Package Type

(16-pin Quad Flat No-lead), which is optimized for thermal dissipation in high-frequency applications. Applications

: High-performance embedded systems and laptop power management where efficiency and multi-tasking signal processing are required. AliExpress Key Features from the Datasheet SMBus Interface

: Allows digital communication with the system host to manage charging parameters. Hybrid Power Boost

: Vital for modern laptops that require extra current during intensive tasks (gaming, rendering) beyond what the AC adapter alone can provide. Thermal Performance

: Designed for stability under load, featuring noise immunity and specialized clock recovery mechanisms in some variants. AliExpress Related & Confusable Components

When searching for "8682L," ensure you are not looking for these distinct parts: : A High-Speed JFET Operational Amplifier from Analog Devices

: A power-management IC (PMIC) for DSLR cameras with 6 DC-DC converters. : An 8-bit magnitude comparator from Texas Instruments Where to Find the IC

If you are repairing a laptop or prototyping, you can find the through various electronics components retailers like AliExpress , or specialized parts stores like

The 8682L is a high-performance, programmable constant current LED driver controller typically found in modern lighting systems and backlight units. Because it is a specialized component, understanding its pinout and electrical characteristics is vital for repair or circuit design. 8682L IC Overview

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 Wide Input Voltage: Operates across various DC rails. PWM Dimming: Supports precise brightness control.

Over-Voltage Protection (OVP): Prevents damage during surges. Short-Circuit Protection: Safeguards the IC and LEDs. High Efficiency: Low power dissipation during operation. Pin Configuration and Descriptions

The 8682L usually comes in a small-outline package (SOP-8 or similar). While you should always verify with the manufacturer’s markings, the standard pin functions are as follows: Pin Number Description VIN Main power supply input. GATE Output to the gate of the external MOSFET. GND System ground. CS Current sense input for monitoring LED current. OVP Over-voltage protection threshold input. EN/DIM Enable and PWM dimming control pin. COMP Compensation pin for stability loops. VCC Internal regulator output/bypass capacitor. Technical Specifications

To ensure the 8682L operates safely within a circuit, adhere to these typical electrical limits: Supply Voltage (VCC): 10V to 30V (varies by sub-model).

Operating Frequency: Generally fixed or set via external resistor. Dimming Range: 0% to 100% via PWM signal. Operating Temperature: -40°C to +85°C. Typical Application Circuit

In a standard LED driver circuit, the 8682L acts as the "brain." Power Up: The IC receives voltage at the VIN pin. 8682l ic datasheet

Switching: The GATE pin sends a high-frequency signal to an external N-channel MOSFET.

Regulation: The CS (Current Sense) pin monitors the voltage across a resistor in series with the LEDs to maintain constant brightness.

Feedback: The OVP pin monitors the output rail; if the LED string breaks, the IC shuts down to prevent a voltage spike. Troubleshooting Tips

If you are repairing a board containing the 8682L, check the following:

No Light: Check the EN (Enable) pin for a high signal (usually >2V) and ensure VIN is present.

Flickering: Inspect the COMP pin capacitor for leakage or the CS resistor for value drift.

Overheating: Ensure the external MOSFET isn't shorted and the VCC capacitor is healthy.

💡 Quick Tip: If you cannot find the 8682L specifically, look for "OB8682" or similar prefixes, as different manufacturers use slightly different naming conventions for this specific controller architecture. If you'd like, I can help you: Find equivalent replacement parts (cross-references) Locate a full PDF download link for a specific manufacturer Calculate resistor values for a specific output current

The 8682L is an integrated circuit (IC) designed for specific applications, likely within the realm of electronics or telecommunications. However, without a direct datasheet provided or a widely recognized part number like "8682L," it's challenging to offer a detailed, accurate review. Integrated circuits with such designations are often specific to certain manufacturers or are used in niche applications.

Given the lack of specific information on the "8682L IC," I will provide a general guide on what to look for in an IC datasheet and how to approach a review:

The 8682L is a low-power, high-performance integrated circuit designed for RF front-end and microcontroller applications (assumption: common use case). It typically combines a transceiver, power management, and peripheral interfaces to support wireless communication in the sub-GHz or ISM bands. This guide covers typical features, pinout, electrical characteristics, functional blocks, RF considerations, typical application circuits, PCB layout best practices, firmware integration, testing, and troubleshooting.

If you want, I can:

Related search suggestions provided.

The 8682L (full part number OZ8682LN) is a high-performance SMBus Level 2 Battery Charger IC manufactured by O2Micro. It is most commonly found in laptop power management circuits, specifically within Apple MacBook Pro models (e.g., A1278 and A1229) and other portable electronics. Core Specifications & Function

Primary Function: Acts as a battery charge controller that communicates via the SMBus protocol to manage multi-cell battery charging.

Hybrid Power Boost: Features specialized circuitry for "Hybrid Power Boost," allowing the system to draw power from both the AC adapter and the battery simultaneously during peak loads.

Package Type: Typically available in a QFN16 (16-pin Quad Flat No-lead) or 28-pin package depending on the specific sub-variant and board implementation.

Target Application: Highly integrated for Laptop Motherboards, focusing on power regulation and voltage control tasks. Technical Breakdown

The datasheet for the 8682L defines several critical operational parameters:

Level 2 Charging: It follows the Smart Battery System (SBS) specifications for Level 2 chargers, meaning it receives charging voltage and current limits from the battery itself.

Voltage Management: Regulates the input from the power adapter to ensure safe current delivery to the internal lithium-ion cells.

Thermal Protection: Like most O2Micro controllers, it likely includes internal thermal shutdown (TSD) and over-voltage protection to prevent board damage during faults. Typical Repair Context | Parameter | Value | |-----------|-------| | Output

If you are searching for this IC datasheet, it is likely for board-level repair:

MacBook Repairs: Frequently replaced on MacBook Pro logic boards (like the 820-2879-B) when the device fails to charge or does not recognize the battery.

Replacement Parts: You can find replacement chips from electronic component retailers like Nexsys Techno or Motherboard.lk. Common Identification Marking Marking on Chip: Usually labeled as 8682L or OZ8682LN.

Part: OZ8682LN • QFN16 • datasheet, pdf, info ... - Elparts

Integrated circuits > DC/DC converters and SMPS drivers. battery charger, marking 8682L. O2 Micro. QFN16.

Part: OZ8682LN • QFN16 • datasheet, pdf, info ... - Elparts

Integrated circuits > DC/DC converters and SMPS drivers. battery charger, marking 8682L. O2 Micro. QFN16. OZ 8682L Laptop IC, 28 Pin - IndiaMART

The OZ8682L (also labeled as OZ8682LN or 8682L) is a highly integrated SMBus Level 2 Battery Charger Controller manufactured by O2Micro. It is primarily designed for portable computer systems, such as laptop motherboards, to manage multi-chemistry battery charging with high precision and efficiency. Key Technical Specifications

According to the O2Micro Product Guide, the OZ8682L features:

Hybrid Power Boost: Allows the battery to provide power in parallel with the AC adapter during peak loads.

High Efficiency: Utilizes an NMOS synchronous topology with a fixed frequency, achieving over 95% efficiency. Precision Control: battery voltage accuracy. charging and adapter current accuracy. Programmable Settings via SMBus: Battery Voltage: 11-bit DAC ( Charge Current: 6-bit DAC ( Adapter Current: 6-bit DAC ( Physical Package: Compact 16-pin QFN ( Core Capabilities

Battery Support: Supports Li-Ion batteries with 1 to 4 cells and various other chemistries.

Integrated Protections: Includes built-in safeguards for battery over-voltage, over-current, reverse connection, and embedded thermal shutdown.

System Integration: Automatically detects AC adapter voltage and outputs valid adapter presence and discharge current signals to the system. Applications The OZ8682L is commonly found in:

Laptop Motherboards: Used as a Smart Battery Charger (SBC) within a Smart Battery System (SBS).

Industrial Automation: Often utilized in industrial controllers and IoT hubs due to its noise immunity and multi-tasking capabilities.

Portable Devices: Any system requiring high-efficiency power management and flexible charging profiles.

The 8682L (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.

Below is a structured technical report based on the product's core specifications and typical application use cases.

Technical Report: OZ8682LN (8682L) Battery Charger Controller 1. Product Overview

The OZ8682LN is an integrated circuit (IC) housed in a compact QFN-16 package. It serves as a synchronous buck battery charger controller. It is specifically engineered to manage the charging of Lithium-ion (Li-ion) and Lithium-polymer batteries using a high-efficiency switching regulator architecture. 2. Key Specifications Manufacturer: O2Micro Package Type: QFN-16 (4x4 mm)

Interface: SMBus (System Management Bus) for digital communication and control. Related search suggestions provided

Charging Chemistry: Optimized for multi-cell Li-ion/Li-polymer configurations. Architecture: Synchronous buck (step-down) converter. 3. Functional Features

Precision Control: Provides highly accurate voltage and current regulation, essential for maximizing battery life and ensuring safety.

High Efficiency: The synchronous rectification minimizes power loss, reducing heat generation during high-current charging cycles.

Dynamic Power Management: It can automatically adjust the charging current based on the total power draw of the system, preventing the AC adapter from overloading. Safety Protections: Over-voltage and over-current protection.

Battery thermistor monitoring to prevent charging in extreme temperature conditions.

Reverse current protection to prevent battery discharge into the adapter. 4. Application and Design Integration

In real-world applications, such as smart home hubs, the OZ8682L is valued for its low-latency communication and ability to handle complex power requirements.

Component Placement: For stable performance, designers must strictly follow datasheet recommendations for capacitor placement near the input and output pins to minimize noise.

IoT Ready: Its ability to interface with other system components via SMBus makes it suitable for IoT devices that require remote battery status monitoring. 5. Summary for Engineers

The 8682L is a reliable choice for engineers seeking a compact, SMBus-controlled charging solution. It balances high integration with robust safety features, though it requires careful PCB layout (specifically regarding thermal dissipation and signal integrity for the SMBus lines) to achieve peak performance.

The 8682L integrated circuit (IC) refers to the OZ8682LN (also marked as OZ8682L), a specialized power management controller primarily used in battery charging and system management applications, particularly for laptops like the Apple MacBook Pro (2010 A1286). It is manufactured by O2 Micro. Technical Specifications & Parameters

Based on technical archives and component listings, here are the core parameters for the OZ8682LN: Part Number: OZ8682LN / OZ8682L Package Type: QFN-16 (Quad Flat No-lead, 16 pins)

Function: DC/DC Converter / SMPS Driver and Battery Charging Controller

Application: Battery charging management, motor control logic, and industrial safety interlocks. Key Features

Power Stability: Designed to maintain system operation during power fluctuations.

Noise Immunity: Includes high electrical noise immunity, making it suitable for sensitive industrial environments.

Logic Management: Capable of handling complex logic for safety interlocks and precision motor control.

Future-Proofing: Often used in IoT hubs and custom automation devices due to its efficiency. Pinout and Integration

The IC is typically integrated into circuits requiring precise power regulation. It is a critical component on logic boards (such as the MacBook Pro 820-2849-A) for managing charging states and power rail distribution.

Note on Datasheet Availability: Finding a full public PDF datasheet for the 8682L can be challenging because it is often a discontinued or proprietary part. For hardware repair, it is frequently compared with the EA3059QDR for parametric compatibility. (5piece)100% New 8682L OZ8682L OZ8682LN QFN-16 Chipset

Note: If you have a different manufacturer's 8682L (e.g., a memory IC, driver, or custom ASIC), please provide the brand. This review assumes the common BL8682L or similar 82L series LDO.