Capacitive Touch Buttons QSOP24 Pinout

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Unit Price:$1.25
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Product Information

The CPT007B device, part of the TouchXpress family, is designed to quickly replace mechanical buttons with modern capacitive touch buttons by eliminating firmware complexity and reducing development time.

Supporting up to 7 capacitive sensor inputs in packages as small as a 3 mm x 3 mm QFN, the CPT007B is a highly-integrated device that provides a simple solution for adding capacitive touch. The device also comes with advanced features like moisture immunity, wake-on proximity, and buzzer feedback for an enhanced user experience. No firmware development is needed, and all the capacitive touch sense parameters can be configured using a simple GUI-based configurator. By eliminating the need for complex firmware development, the CPT007B device enables rapid user interface designs with minimal development effort.

The CPT007B device is ideal for a wide range of capacitive touch applications, including the following:

• Home appliances
• Instrument / Control panels
• White goods
• Medical equipment
• Consumer electronics
• Lighting control

Symmetry Electronics is an authorized Silicon Labs distributor.


No firmware development required
Simple GUI-based configurator
7 Capacitive Sensor inputs with programmable sensitivity
7 General purpose outputs (GPOs) to communicate to the host processor or drive LEDs
Lowest power capacitive sense solution
Active 200 A
Sleep 1 A
Wake on proximity
Superior noise immunity: SNR up to 270:1
Moisture immunity
Mutually-exclusive touch qualifier
Button touch time-out to avoid false touches
Buzzer output for audible touch feedback


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