8681l Ic Datasheet -

At 25°C ambient, TJ = 152.5°C → (125°C). Solution: Use a lower input voltage, reduce current, or switch to a larger package like SOT-89.

: QFN-16 (Quad Flat No-lead), which requires precise soldering techniques.

This IC is typically found in cell phone cameras to control autofocus and aperture mechanisms, not in laptop power management.

: It drives a synchronous buck configuration, utilizing two external power MOSFETs and an inductor. This steps down high adapter voltages (typically 19V to 20V) to match the nominal stack voltage of the battery pack (e.g., 2S, 3S, or 4S cell configurations). 8681l ic datasheet

Designed to work up to 85°C, it monitors its own thermal profile to prevent a meltdown. The Nokia Legacy

To test the chip, engineers use a multimeter to check the voltage on the input power pin, verify the presence of the system management clock and data line waveforms via an oscilloscope, and look for low-resistance shorts across the decoupling capacitors surrounding the QFN-16 footprint. Motherboard Installation & Repair Tips

: The device communicates via the System Management Bus (SMBus), allowing for precise software control over charging parameters such as voltage and current limits. Dual-Sensing Technology At 25°C ambient, TJ = 152

| Parameter | Symbol | Test Condition | Min | Typ | Max | Unit | |-----------|--------|----------------|-----|-----|-----|------| | Input Voltage | VIN | – | 2.0 | – | 6.0 | V | | Output Voltage | VOUT | Fixed option | 3.267 | 3.3 | 3.333 | V | | Output Current | IOUT | – | 0 | – | 300 | mA | | Dropout Voltage | VDROP | IOUT = 200 mA | – | 120 | 180 | mV | | Quiescent Current | IQ | No load | – | 25 | 50 | µA | | Shutdown Current | ISD | EN = GND | – | 0.1 | 1 | µA | | Line Regulation | ΔVOUT / ΔVIN | VIN = (VOUT+1) to 6V, IOUT=10mA | – | 0.05 | 0.2 | %/V | | Load Regulation | ΔVOUT / ΔIOUT | IOUT = 1 to 250 mA | – | 0.1 | 0.5 | % | | Power Supply Ripple Rejection | PSRR | f = 1 kHz, IOUT = 100 mA | – | 65 | – | dB | | Thermal Shutdown | TSD | – | 150 | 160 | 170 | °C |

When deployed on a laptop motherboard, the OZ8681L functions inside a complex Power Delivery (PD) ecosystem.

The 8681L isn't just a messenger; it’s a bodyguard. According to its design "story," it must constantly watch for three "villains" that could destroy the device: This IC is typically found in cell phone

: Adopted for power management in vehicle tracking and communication modules. Implementation and Maintenance

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High-frequency pulse width modulation (PWM) drive signals terminating at external high-side and low-side switching MOSFETs. Common Hardware Faults and Troubleshooting

: A variant often used interchangeably in repair contexts, also available in a QFN-16 package.

Data gathered from the component architecture highlights several key parameters: