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Name: CY8CMBR3108-LQXIT
Brand: Cypress Semiconductor Corp
SKU: CY8CMBR3108-LQXIT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Cypress Semiconductor Corp CY8CMBR3108-LQXIT

Part No.:: CY8CMBR3108-LQXIT

Manufacturer:: Cypress Semiconductor Corp

Package:: 16-UFQFN Exposed Pad

Datasheet:: CY8CMBR3108-LQXIT.pdf

Description:: IC CAP SENSE 16QFN

In Stock:: 3795

Quantity:: Add To Cart

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CY8CMBR3108-LQXIT this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including CY8CMBR3108-LQXIT price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for CY8CMBR3108-LQXIT to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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CY8CMBR3108-LQXIT Typical application Circuitry

CY8CMBR3108-LQXIT

A CapSense® ExpressTM controller from Cypress Semiconductor, which is now a part of Infineon Technologies, is the CY8CMBR3108-LQXIT. This device is designed for implementing capacitive touch sensing solutions in a variety of applications. It supports multiple touch inputs and is known for its robust performance, low power consumption, and ease of integration, making it ideal for creating intuitive user interfaces.

Application Scenarios:

The CY8CMBR3108-LQXIT is widely used in consumer electronics, home appliances, industrial machines, and automotive applications for implementing touch buttons, sliders, and proximity sensors. One common application is in smart home devices, such as touch-controlled light switches, where it provides a modern, sleek interface that can replace traditional mechanical switches.

Characteristic Parameters:

- Touch Sensing Inputs: Supports up to 8 capacitive sensing inputs, enabling the creation of multiple touch buttons or sliders.

- Communication Interface: I2C serial interface, facilitating easy communication with microcontrollers or processors.

- Power Supply: Suitable for a broad variety of power sources, it operates between 1.71V and 5.5V supply voltage.

- Package: Available in a 16-pin QFN package, suitable for compact designs.

- Advanced Features: Includes SmartSense™ auto-tuning technology to automatically adjust the capacitive sensing parameters, ensuring optimal performance across different environmental conditions.

Circuit Connection for a Touch-Controlled Light Switch:

1. Grounding and Power Supply: Attach the CY8CMBR3108-LQXIT's GND pin to the system ground and its VDD pin to a 3.3V power supply. Implementing proper decoupling with capacitors near the power pin is essential to ensure stable operation.

2. Capacitive Touch Pads: Connect capacitive touch pads to the sensor input pins (CSD0 to CSD7) of the CY8CMBR3108-LQXIT. The layout and size of the touch pads significantly affect sensitivity and performance, requiring careful design to match the application's needs.

3. I2C Communication Interface: Interface the I2C pins (SCL and SDA) of the CY8CMBR3108-LQXIT with the corresponding I2C bus lines of a microcontroller. This setup allows for configuration of the touch controller and retrieval of touch status information. Pull-up resistors are necessary on both the SCL and SDA lines to ensure proper I2C operation.

4. Configuration and Tuning: Use the CapSense Express configuration tool to program the CY8CMBR3108-LQXIT. This involves setting up touch sensitivity, response times, and utilizing the SmartSense™ auto-tuning feature to automatically adjust to the optimal settings for your specific touch pads.

Design Considerations:

- Environmental Factors: The performance of capacitive touch interfaces can be affected by environmental changes such as humidity and temperature. The CY8CMBR3108-LQXIT's auto-tuning feature helps mitigate these effects, but the initial design should account for potential environmental variations.

- Electromagnetic Interference (EMI): Capacitive touch circuits can be susceptible to EMI, which can cause false touches or loss of sensitivity. It's important to consider EMI shielding techniques and proper grounding in the design phase.

- Mechanical Design: The material, thickness, and distance of the overlay above the touch pads can significantly impact the sensitivity and performance of the touch interface. These parameters must be carefully selected to match the desired user experience.

- Power Management: While the CY8CMBR3108-LQXIT is designed for low power consumption, additional considerations should be made for power-saving modes and wake-up strategies in battery-powered applications.

Incorporating the CY8CMBR3108-LQXIT into a touch-controlled light switch showcases its capability to enhance user interfaces with reliable, responsive touch inputs. This application benefits from the device's flexibility, ease of use, and advanced features, providing a modern alternative to mechanical controls.

CY8CMBR3108-LQXIT information

CY8CMBR3108-LQXIT Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
CapSense® Express™ SmartSense™
ProductStatus:
Active
Type:
Buttons
ProximityDetection:
Yes
NumberofInputs:
Up to 8
LEDDriverChannels:
Up to 4
Interface:
I²C
Resolution:
-
Voltage-Supply:
1.8V ~ 5.5V
Current-Supply:
140mA
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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6. What is the process for return or replacement of CY8CMBR3108-LQXIT?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of CY8CMBR3108-LQXIT.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations