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The IS31SE5111C-ZNLS3-TR is a capacitive touch button controller manufactured by Lumissil Microsystems. It features an I2C interface and supports supply voltages from 2.7V to 5.5V. The device includes integrated LED driver channels for status indication. It operates within a temperature range of -40°C to +105°C and is housed in a 16-TSSOP package. The component is currently classified as obsolete.
Verify component availability through authorized distributors, as the part status is listed as obsolete. Confirm package integrity and pinout compatibility during replacement planning. Request manufacturer documentation for final technical validation before implementation.
Evaluate interface requirements against available I2C controllers. Ensure supply voltage ranges align with system power rails. Consider thermal performance limits for high-temperature environments. Assess package dimensions for PCB layout constraints.
This component belongs to the Lumissil IS31SE series of capacitive touch controllers. It provides a solution for multi-button input with integrated lighting control. The series targets applications requiring reliable touch sensing with minimal external components.
Check for direct substitutes within the IS31SE family. Verify functional equivalence for touch sensitivity and LED drive capabilities. Review updated datasheets for any pin-compatible alternatives.