8681l Ic Datasheet Link Jun 2026

The is a single-channel capacitive touch sensor IC. It is designed to replace traditional mechanical buttons with a capacitive pad. The device integrates a voltage regulator, oscillator, and capacitive detection circuit. It is widely used in consumer electronics, home appliances, and industrial control panels.

[Isolate Main Power Supply] -> [Check VCC & Enable Pins] -> [Measure Sense Resistors] -> [Verify SMBus Lines]

The 8681L is a smart battery charger controller. It talks directly to the laptop system using a special language called . This allows it to charge many different types of battery chemistries with high precision.

, often found under the full part numbers , is a highly integrated SMBus Level 2 Battery Charge Controller 8681l ic datasheet

: Use an oscilloscope to check for active, square-wave data pulsing on the SCL and SDA pins. Replacement and Soldering Guidelines

: A simple Google search with the part number ("8681L datasheet") can lead you to various sources, including forums, blogs, and sometimes official datasheets.

The leadless package ensures minimized parasitic inductance and optimal thermal dissipation into the system printed circuit board (PCB). Macro Pin Functions The is a single-channel capacitive touch sensor IC

Here are some key specifications of the 8681L IC:

To gain deep access to absolute electrical ratings, signal timing diagrams, and exact register maps, hardware engineering teams must cross-reference official manufacturer documentation through authorized component registries or parts distributors.

According to technical documentation and product listings on platforms like IndiaMART and ALLDATASHEET , the 8681L offers several advanced power management capabilities: It is widely used in consumer electronics, home

L1 (4.7uH) SW [Pin 3] ------(UUUUU)-------+-------+-----> V_OUT (3.3V / 3A) | | [R1] [C_OUT] (47uF) | | FB [Pin 5] --------------------+ | | | [R2] | | | GND [Pin 4] --------------------+-------+-----> GND Component Selection Guidelines 1. Setting the Output Voltage ( VOUTcap V sub cap O cap U cap T end-sub The output voltage is programmed via a resistor divider ( R1cap R sub 1 R2cap R sub 2 VOUTcap V sub cap O cap U cap T end-sub to the FB pin. Use the following formula:

: Connections for the battery charge current sense resistor, enabling precision closed-loop regulation. 2. PWM Control Loop UGATE : High-side MOSFET gate driver signal. LGATE : Low-side MOSFET gate driver signal.