XL9555 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

Key features include 16 configurable I/O pins, 400 kHz I2C clock support, 5V tolerant I/O, an open-drain interrupt output, and a wide operating voltage range of 2.3V to 5.5V.

The INT pin is an open-drain output that activates when an input state changes, signaling the master to read the port registers to identify the change.

When driving LEDs, ensure the I/O pin voltage is maintained at or above VCC when the LED is off to prevent increased supply current (ΔICC) due to the diode characteristic.

The device is widely available in standard packages (TSSOP, SSOP, QFN), presenting a low supply risk for general industrial and consumer applications.

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: Low; readiness: easy.

Use the XL9555 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about XL9555 pinout to locate pins, power rails, and interface signals before layout.