8682l Datasheet Verified Jun 2026

✅ It dynamically balances energy demands between external power adapters and internal Li-ion battery arrays to prevent system brownouts during peak power events.

Use an oscilloscope to view the SCL and SDA pins. Constant high logic rails with no pulse activity indicate that the host controller is not communicating with the charging IC. If the lines are shorted close to 0V, remove the OZ8682L from the board and re-measure to isolate whether the short resides inside the PMIC or the system's main Embedded Controller.

When designing high-performance electronic circuits, finding the exact specifications in the is critical for ensuring system stability, efficiency, and thermal safety. 1. Product Overview and Key Features

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.

The OZ8682L acts as an intelligent supervisor managing the delicate transition between the external DC input power adapter and the internal lithium-ion battery pack. Relying on the System Management Bus (SMBus) protocol, it operates as a Level 2 smart battery charger. In practical terms, this means it responds directly to dynamic charging current and charging voltage commands transmitted over I2C/SMBus by the laptop's embedded controller (EC) or smart battery pack microcontroller. 8682l Datasheet

: The performance of the 8682L hinges on tight external layout geometry. If replacing the chip during board-level repair, residual flux or poor trace routing near the feedback loop can inject noise, causing erratic power rail switching or total component failure. If youLet me know:

: Internal low-dropout linear regulator (LDO) supply output. Requires a local bypass ceramic capacitor to ground.

No Connection. Leave floating or connect to ground according to specific layout guidelines. VDD Internal regulator output or primary voltage supply input. 3. Absolute Maximum Ratings

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 dynamically balances energy demands between external

In the computer electronics repair industry, the OZ8682LN is cataloged as a critical stock item. Hardware failure often stems from external voltage spikes or component degradation around the power rail.

When she finally found the PDF, it was corrupted — except one paragraph on page 43:

Commonly housed in space-saving packages like SOP-8, SOT-23-6, or DFN, minimizing PCB real estate. 2. Pin Configuration and Functions (SOP-8/SOT-23 Typical)

The OZ8682L is a common component in laptop motherboards and is often sought by engineers for repairs in models like the 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. If the lines are shorted close to 0V,

In a SOP-8 (Exposed Pad) package, the primary path for heat dissipation is through the PCB. The RT8682L has internal thermal shutdown protection (usually triggering around $160^\circ C$), but reliable design requires staying well below this.

: The UP1589Q is an excellent functional equivalent. It is a dual step-down, switch-mode power supply (SMPS) controller designed for battery-powered systems. It generates logic supply voltages and is commonly found in notebooks.

If ACIN is above the required internal threshold but ACOK remains low, the IC is likely refusing to initialize due to a detected fault condition, or the chip itself needs replacement. Step 4: Inspect SMBus Pull-Up Lines