IS31SE5120-QFLS3-TR

Description：IC TOUCH BUTTONS 32QFN
Series：-

SKU:9ed9978ced20 Category: Sensor, Capacitive Touch Brand: Lumissil Microsystems

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Product introduction

Product Detailed Parameters

Description：IC TOUCH BUTTONS 32QFN
Series：-
Mfr：Lumissil Microsystems
Package：Tape & Reel (TR)
Type：Buttons
Proximity Detection：No
Number of Inputs：Up to 24
LED Driver Channels：Up to 24
Interface：I2C
Resolution：-
Voltage - Supply：2.7V ~ 5.5V
Current - Supply：-
Operating Temperature：-40°C ~ 105°C
Mounting Type：-
Package / Case：32-QFN Exposed Pad
Supplier Device Package：32-QFN (5x5)
Grade：-
Qualification：-

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IS31SE5120-QFLS3-TR

Overview

The IS31SE5120-QFLS3-TR is a capacitive touch sensor controller manufactured by Lumissil Microsystems. It features 16 channels for touch input detection and supports I2C communication interfaces. The device operates within a supply voltage range of 2.7 V to 5.5 V and functions reliably across an industrial temperature range from -40°C to +105°C. It is housed in a QFN-24 package with dimensions of 4mm x 4mm, utilizing SMD/SMT termination types.

Feature Summary

Capacitive touch sensing capability with 16 dedicated channels
I2C interface for system connectivity
Industrial-grade operational temperature range

Applications

Consumer electronics touch interfaces
Automotive interior control panels
Industrial equipment user interfaces

Procurement Notes

Verify the specific suffix QFLS3 against official Lumissil documentation to confirm package type and tape-and-reel specifications. Confirm moisture sensitivity level (MSL) ratings prior to PCB assembly to ensure proper storage and handling procedures are followed during manufacturing.

Selection Notes

Select this component when a 16-channel capacitive touch solution is required with I2C compatibility. Ensure the design accommodates the QFN-24 footprint and that the operating environment stays within the specified -40°C to +105°C thermal limits for reliable performance.

Part Context

This part belongs to the IS31SE series of capacitive touch controllers from Lumissil. It is designed for applications requiring multiple touch inputs with low power consumption and robust noise immunity, fitting into the broader portfolio of sensor and interface solutions offered by the manufacturer.

Replacement Considerations

Check for IS31SE5117B or IS31SE5118A as potential pin-compatible or functionally similar alternatives within the same family, subject to channel count and package verification.

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.