8682l Datasheet Access

Acting as a switching regulator in laptop power supplies or chargers.

| Category | Details | | :--- | :--- | | | Power Management Integrated Circuit (PMIC) | | Core Function | Dual step-down SMPS controller for mobile systems | | Known Manufacturer | O2 Micro | | Primary Marking | 8682L | | Official Part Number | OZ8682L / OZ8682LN | | Primary Applications | Laptop motherboard power regulation, netbooks | | Key Equivalents | UP1589Q, RT8239B |

Differential battery current-sense amplifier nodes designed to precisely govern constant-current (CC) charging zones. Gate Control & Switching Nodes:

. Ensure your power rail is clean and decoupled with a 0.1μF ceramic capacitor close to the VDD pin to minimize noise. Signal Lines 8682l Datasheet

: Pin configuration to select the battery series cell count (e.g., setting thresholds for 2S, 3S, or 4S Lithium-ion packs).

: Confirm 19V is arriving intact at the primary input capacitors adjacent to the chip pins. Missing voltage points to an upstream blown fuse or an input isolation MOSFET shorted to ground.

If you were referring to a specific Samsung or Murata passive component (capacitor/inductor) where "8682l" is a lot code, please let me know. However, assuming you are looking for the , here is the comprehensive guide. Acting as a switching regulator in laptop power

Inductor switching node linkage connecting high-side and low-side external MOSFETs. Core reference analog and digital system signal ground pad. 12 Analog Output

): Usually ranges between , 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

Operating as an SMBus Level 2 slave component, the 8682L dynamically responds to periodic commands issued by a smart battery pack or a master CPU. If communication drops out or an abnormal system state is detected, internal watchdog safety limits quickly trip to protect the battery cells from thermal runaways or catastrophic over-voltage exposure. Sourcing and Component Verification Ensure your power rail is clean and decoupled with a 0

: An open-drain output indicating that a valid power source is plugged into the charging port. 4. Typical Application Circuitry & Operation

Monitors the charging current to prevent overcurrent.