CPT112S-A02-GMR

$3.05

Description：IC CTLR CAP TOUCH 12CH I2C 20QFN
Series：-

SKU:d5f6ee77761e Category: Sensor, Capacitive Touch Brand: Silicon Labs

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Product introduction

Product Detailed Parameters

Description：IC CTLR CAP TOUCH 12CH I2C 20QFN
Series：-
Mfr：Silicon Labs
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Buttons, Slider
Proximity Detection：Yes
Number of Inputs：Up to 12
LED Driver Channels：-
Interface：I2C
Resolution：-
Voltage - Supply：1.8V ~ 3.6V
Current - Supply：3.1mA
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：20-UFQFN Exposed Pad
Supplier Device Package：20-QFN (3x3)
Grade：-
Qualification：-

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CPT112S-A02-GMR

Overview

The CPT112S-A02-GMR is a 12-channel capacitive touch controller from the TouchXpress family, manufactured by Silicon Labs. It features an I2C interface for communication with host systems and supports button and slider configurations. The device is designed as a fixed-function controller to simplify capacitive touch implementation in embedded applications.

Feature Summary

Integrates 12 sensing channels for multi-button or slider input detection
Utilizes I2C serial communication protocol for system integration
Operates as a fixed-function controller to reduce design complexity

Applications

Capacitive touch sensor interfaces
Button and slider input modules
Embedded control panels

Procurement Notes

Verify current availability status as the component may be subject to discontinuation. Check official manufacturer notifications for end-of-life timelines and confirm compatibility with existing system designs before procurement planning.

Selection Notes

Select this component when a dedicated 12-channel capacitive touch solution with I2C connectivity is required. Ensure the host system supports the necessary I2C bus speeds and voltage levels compatible with the controller's specifications.

Part Context

This part belongs to the Silicon Labs TouchXpress family of fixed-function controllers, which also includes models like the CPT007B. These devices are engineered to provide standardized capacitive touch functionality without requiring complex custom firmware development.

Replacement Considerations

Consult official product change notifications for potential obsolescence management. Verify if alternative channel counts or interface requirements necessitate a different model within the TouchXpress series.

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.