IS31SE5117B-QFLS3-TR

Description：IC TOUCH BUTTONS 24QFN
Series：-

SKU:23fc9f66ebde Category: Sensor, Capacitive Touch Brand: Lumissil Microsystems

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Product introduction

Product Detailed Parameters

Description：IC TOUCH BUTTONS 24QFN
Series：-
Mfr：Lumissil Microsystems
Package：Tape & Reel (TR)
Type：-
Proximity Detection：-
Number of Inputs：-
LED Driver Channels：-
Interface：-
Resolution：-
Voltage - Supply：-
Current - Supply：-
Operating Temperature：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Grade：-
Qualification：-

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IS31SE5117B-QFLS3-TR

Overview

The IS31SE5117B-QFLS3-TR is a capacitance touch sensor IC manufactured by Lumissil Microsystems. It features 16 channels for capacitive touch input, utilizing shared GPIOs for signal acquisition. The device communicates via an I2C interface and is housed in a QFN-24 package with dimensions of 4mm x 4mm. It operates within a supply voltage range of 2.7 V to 5.5 V and supports surface-mount soldering. The component is rated for industrial temperatures, functioning between -40°C and +105°C. It includes humidity sensitivity classification and is supplied in cut tape or reel formats.

Feature Summary

Supports 16-channel capacitive touch sensing through shared general-purpose input/output lines
Enables digital communication using the standard I2C protocol
Designed for operation across extended industrial temperature ranges

Applications

Capacitive touch sensor controller integration
Embedded systems requiring multi-channel touch input
Industrial control panels with environmental exposure

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and variant selection. Confirm that the QFN-24 package dimensions align with the target PCB footprint. Check humidity sensitivity handling requirements during storage and assembly processes. Ensure the I2C address configuration matches the system design constraints before finalizing procurement orders.

Selection Notes

Select this component when a 16-channel capacitive touch solution is required with I2C connectivity. The 4mm x 4mm QFN-24 package suits space-constrained designs. Verify that the operating voltage range of 2.7 V to 5.5 V covers the system power rails. Consider the -40°C to +105°C temperature rating for applications exposed to varying environmental conditions.

Part Context

This part belongs to the Lumissil IS31SE series of capacitance touch sensor controllers. The series focuses on providing multi-channel touch detection capabilities for embedded applications. The IS31SE5117B variant specifically offers 16 channels, distinguishing it from lower-channel models in the family while maintaining the same interface and package characteristics.

Replacement Considerations

No public substitute part numbers are confirmed for this specific component. Cross-referencing requires matching the 16-channel count, I2C interface, and QFN-24 package dimensions.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.