8682l Ic Datasheet ✦ Proven & Secure

8682l Ic Datasheet ✦ Proven & Secure

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. 8682l ic datasheet

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

integrated circuit (IC) is primarily recognized as the , a high-efficiency laptop battery charger IC . It is commonly used in portable electronics, such as the Apple MacBook Pro (A1278) Key Specifications The 8682L typically comes in a

package and is designed to manage the charging cycle of lithium-ion or lithium-polymer battery packs. While detailed technical data is often restricted to manufacturer portals or specific repair communities, general functional details include: Application: Battery charging and management. Package Type: QFN-16 (Quad Flat No-lead, 16 pins). Core Functions:

Constant current/constant voltage (CC/CV) charging, safety monitoring, and power path management. Draft Social Media / Blog Post The 8682L integrated circuit (IC) refers to the

If you are looking to share information about this IC on a platform like LinkedIn, a technical blog, or a forum, here is a professional draft:

Headline: Troubleshooting Power Issues? Meet the 8682L Battery Charger IC

If you've ever cracked open a laptop or high-end portable device for a power-related repair, you might have encountered the 8682L (OZ8682LN) . 💻🔋 As a specialized battery charger controller

, this tiny QFN16 chip handles the heavy lifting of managing juice to the battery and the rest of the system. It’s a common sight in popular hardware like the MacBook Pro A1278 series Why it matters: Charging Precision: Ensures safe and efficient charging cycles. Compact Design:

The QFN16 footprint makes it ideal for space-constrained PCBs. Reliability: Trusted by major manufacturers for power path management. Pro-Tip for Techs:

If a device isn't recognizing the battery or won't boot from AC power, the is often a prime suspect for failure. Firmware integration

Looking for the full datasheet? You can often find it through specialized electronic component distributors

#ElectronicsEngineering #PCBDesign #LaptopRepair #Microchip #Engineering replacement part for a specific device? 8682l-charging-ic-datasheet Datasheet Results

Firmware integration

  • Initialization sequence: power-up, reset, configure clocks and PLL, load radio registers (frequency, data rate, power), enable interrupts.
  • Use SPI transactions to read/write configuration registers and FIFO buffers.
  • Implement state machine: sleep → wake → RX/TX → process → sleep.
  • Handle interrupts for packet received, TX done, CRC error, and low-battery events.
  • Calibrate RSSI and ADC readings on first power-up if required.

Functional Description

The BA682 is an H-Bridge driver contained within a single chip. An H-bridge allows the IC to spin a motor in two directions:

  1. Forward: Current flows from Output A to Output B.
  2. Reverse: Current flows from Output B to Output A.
  3. Stop/Brake: Depending on the logic input, the outputs can be shorted to brake the motor or left open to let it coast.

Because it integrates the H-Bridge transistors and control logic into one small package, it reduces the need for external discrete components like MOSFETs and diodes, simplifying PCB design.

Product Review: 8682L Voltage Regulator IC

Typical Application Circuit (LDO Configuration)

Assuming a fixed 3.3V output variant of the 8682L, the standard application circuit is:

          +-------------------+
          |                   |
      Vin o---+---[C1]---+----+---- VIN (pin1)
           |   (1uF)     |         |
           +----+--------+         |
                |                  |
               GND                 |
                                   |
          +----+-----------------+ |
          |    |                 | |
          |   EN (pin3) --+      | |
          |               |      | |
          |     GND (pin2)-+-GND | |
          |                     | |
          |   VOUT (pin5)--------+-o--- Vout (3.3V)
          |                     | |
          |                     +---[C2]---+ GND
          |                         (1uF)   |
          +-----------------------------+---+

Component values:

  • C1 (input capacitor): 1µF to 10µF, ceramic X5R/X7R.
  • C2 (output capacitor): 1µF to 10µF, ESR < 1Ω.
  • R1, R2 (if adjustable): Use formula Vout = Vref * (1 + R1/R2), Vref typically 0.6V or 0.8V.

Typical Application Circuit

Below is the reference design for a basic 5V USB-powered single-cell Li-ion charger using the 8682L.